This article has compiled the common problems and solutions for building intercom systems. What you want to know is here. Let's take a look at it:
1, a pvcφ20 tube, generally take a few utp lines?
A: Generally, you can take 3 lines. If there are more than 3 bends, it is recommended to reduce the number of lines. The specification requires that the cable not exceed 30-40% of the capacity of the conduit.
2. There are several lines between the intelligent control box and the intelligent control keyboard. What line is used, and what is the signal for each core line?
Answer: A five-type unshielded twisted pair (utp) is connected between the intelligent control box and the intelligent control keyboard. The signal for each core line is 1, 2 is the home bus signal line, and 3, 5, 7 are the positive power supply. (+12vdc), 4, 6, and 8 are the negative poles of the power supply. Plug conversion in the embedded box.
3. There are several lines between the intelligent control box and the non-visual intercom indoor unit. What line is used, and what is the signal for each core line?
Answer: A five-type unshielded twisted pair (utp) is connected between the intelligent control box and the non-visual intercom indoor unit. The signal for each core line is 1, 2 is the home bus signal line, 5 and 6 cores. Is the audio bus, 3, 7 is the positive pole of the power supply (+12vdc), 4, 8 is the negative pole of the power supply; if equipped with the display component, add 2 lines, the first is the video cable, the model is syv-75-3 coaxial Cable, image signal of the door machine; the second is the video cable of the video intercom display, the model is rvv2×0.5, and the 12vdc power supply is taken. Plug conversion in the embedded box.
4. There are several lines between the intelligent control box and the intelligent combination machine. What line is used, and what is the signal for each core line?
Answer: There are three wires between the intelligent control box and the intelligent combination machine. The first one is the five types of unshielded twisted pair (utp) connections. The signal for each core line is 1, 2 is the home bus signal line, 5, 6 The core is the audio bus, 3, 7 is the positive pole of the power supply (+12vdc), 4, 8 is the negative pole of the power supply; the second is the video cable, the model is syv-75-3 (or 5) coaxial cable, the image signal of the door machine The third is the video intercom display power cord, model rvv2 × 0.5, take the 12vdc power supply. Plug conversion in the embedded box.
5. There are several lines between the keyboard and the module. What line is used, and what is the signal for each core line?
Answer: A five-type unshielded twisted pair cable is used between the keyboard and the module. The signal for each core line is 1, 2 is the home bus signal line, and 3, 5, and 7 are the positive power supply (+12vdc). 6, 8 is the negative pole of the power supply.
6. There are several lines between the meter reading module and the pulse meter. What line is used, and what is the signal for each core line?
Answer: There is a four-core cable between the meter reading module and the pulse meter. The rvv4×0.3 line is used. The signal for each core line is that the meter has only two core signal lines, two water supply lines and two core signal lines for water meter and gas meter. The power ground and the signal ground can also share a core wire, which saves one core wire. If it is a double pulse meter, then 4 lines are full.
7. There are several lines between the module and the detector. What line is used, and what is the signal for each core line?
Answer: There is a four-core cable between the module and each detector. With rvv4×0.3, the signal for each core wire is two-core power cable and two-core signal cable. The power ground and signal ground can also share a core wire. This saves one wire, and the door magnet and the emergency button use only two cores.
8. There are several lines between the intelligent control switch module and the power socket. What line is used, and what is the signal for each core line?
Answer: There is a 4-core cable between the intelligent control switch module and the power socket. The rvv4×1.5 line is used. The signal for each core line is the fire line, the fire line and the two zero lines.
9. There are several lines between the intelligent control switch module and the electric light. What line is used, and what is the signal for each core line?
Answer: There is a 3-core cable between the intelligent control switch module and the electric lamp. With rvv3×1.0 line, the signal for each core line is the fire line, the fire line and the zero line.
10. There are several lines between the distribution frame and the single-port information panel. What line is used?
A: A Category 5 unshielded twisted pair cable.
11. There are several lines between the distribution frame and the dual port information panel. What line is used?
A: Two Category 5 unshielded twisted pair cables.
12, dian words use a few cores in rj45, which core?
A: 2 cores, which are the 4th and 5th cores respectively.
13, Ethernet computers generally use a few cores in rj45, which core?
A: Use 4 cores, which are the 1, 2, 3, and 6 cores.
14. When doing rj45 head, how is the line order arranged (1---8)?
A: The order from 1 to 8 is: white orange, orange, white green, blue, white blue, green, white brown, brown.
15. There are several lines between the unit door machine and the unit door pre-embedded box (unit door controller). What line is used and what is the signal for each core line?
A: There are three lines. The first is a Category 5 unshielded twisted pair cable, in which two cores are unlocked signal lines, two cores are audio cables, two cores are communication lines, and the second is a 12vdc power cable, model rvv2×0.5; third video Line, model syv-75-3 (or 5) coaxial cable, image signal of the door machine.
16. There are several lines between the unit door machine and the unit digital auxiliary machine. What line is used, and what is the signal for each core line?
Answer: There are two wires between the unit door machine and the unit digital slave. The first one is Category 5 unshielded twisted pair. Two cores are signal wires, two cores are audio cables, and two cores are communication wires. The root video cable, model syv-75-3 (or 5) coaxial cable, walks the door machine image signal.
17. There are several lines between the unit digital auxiliary unit and the unit auxiliary unit power box. What line is used, and what is the signal for each core line?
A: There are two lines, the models are rvv2×0.5. The first one is the 12vdc power line; the second one is the unlock signal line.
18. There are several lines between the digital unit of the first unit and the digital unit of the second unit. What line is used and what is the signal for each core line?
Answer: There are two wires between the first unit door machine and the second unit slave machine. The first one is a Category 5 unshielded twisted pair cable. Two cores are signal wires, two cores are audio cables, and two cores are communication wires. The second is a video cable, model syv-75-3 (or 5) coaxial cable, image signal of the door machine.
19. There are several lines between the unit door pre-embedded box and the first floor controller and video distribution. What line is used, and what is the signal for each core line?
A: Three lines. The first is Category 5 unshielded twisted pair, 1 and 2 cores are control signals, 7 and 8 cores are audio buses; the second is video cable, model is syv-75-5 coaxial cable, walking door machine image signal. The third is the 12vdc power cable, model rvv2×0.5. These three lines are all buses, and the entire unit is shared by each floor. When the cell is a villa, the first type 5 unshielded twisted pair is replaced by two 16awg lines, which respectively control the bus signal and the audio bus signal.
20. How is the online patrol module connected to the system?
A: The online patrol module is logically equivalent to a unit intercom, but does not require a video cable and a two-core power cord.
21. There are several lines between the single-family intercom host and the home smart control box. What line is used and what is the signal?
Answer: There are two lines between the single-user intercom host and the intelligent control box. The first one is the five types of unshielded twisted pair (utp), which is the door machine control signal, audio signal and power supply; the second is the video. Line, model syv-75-3 (or 5) coaxial cable, image signal of the door machine.
22. How to connect the unit video to the central management host?
A: Each 8 door machine video signal strings are connected to the center with one video bus, and are connected to the center expandable av signal switcher. The video cable model is syv-75-7 coaxial cable, the door camera image signal to the center or gate signal to the household using the same video cable, plus 500 m plus relay amplifier.
23. There are several lines between the host and the center of the community gate. What line is used, and what is the signal for each core line?
Answer: The video and audio signal of the gate machine is connected to the av signal switcher of the management host, and the control signal is connected to the cell control bus network. Therefore, there are 3 wires between the gate machine and the center machine, one is the video cable, the model is syv-75-7 coaxial cable; the other is the audio bus, the model is 1.3mm two-core unshielded twisted pair cable ( Cat4-1.3×1p); one is a control bus, model 1.3mm two-core unshielded twisted pair (cat4-1.3×1p).
24. There are several lines between the unit floor transfer box and the home smart control box. What line is used, and what is the signal for each core line?
A: Two lines. The first is Category 5 unshielded twisted pair, 1 and 2 cores are control signals, 7 and 8 cores are audio buses; the second is video cable, model is syv-75-5 coaxial cable, walking door machine image signal. When the cell is a villa, the first type 5 unshielded twisted pair is replaced by two 16awg lines, which respectively control the bus signal and the audio bus signal.
25. There are several lines between the unit floor transfer box and the unit floor transfer box. What line is used, and what is the signal for each core line?
A: Three lines. The first is Category 5 unshielded twisted pair, 1 and 2 cores are control signals, 7 and 8 cores are audio buses; the second is video cable, model is syv-75-5 coaxial cable, walking door machine image signal. The third is the 12vdc power cable, model rvv2×0.5. When the cell is a villa, the first type 5 unshielded twisted pair is replaced by two 16awg lines, which respectively control the bus signal and the audio bus signal. The third power cord uses a 1.5 square millimeter outdoor sheathed power cord.
26. There are several lines between the pre-embedded box at the door of the unit and the pre-embedded box at the door of other units. What line is used, what is the signal for each core line?
A: 3 lines. The first is the control bus, with a two-core unshielded twisted pair (cat4-1.3×1p) with a diameter of 1.3mm; the second is an audio bus with a two-core unshielded twisted pair (cat4) with a diameter of 1.3mm. -1.3×1p); the third is the video bus, using the syv-75-7 coaxial cable to walk the door machine image signal. The system strictly requires one-in-one-out hand-in-hand bus topology.
27. What line is used in the control network of the cell, what is the signal for each core line, what is the topology form, how is the distance, and how to extend the distance?
Answer: A two-core unshielded twisted pair cable (cat4-1.3×1p) with a diameter of 1.3mm, take the lonworks bus, the distance is 2700 meters in the bus topology, and the distance is 500 meters in the free topology. The relay can be extended by a multiple distance.
28. What line is used for the cell unit bus, what is the topology form, how is the distance, and how to extend the distance?
Answer: The bus between the unit door controller and the home intelligent control box is controlled by the bus. In the room, the control and audio signals are transmitted by bus on the same Category 5 UTP unshielded twisted pair. The maximum line distance is 300 meters. In the villa-type community, since there is no unit intercom host, we generally equip a unit door controller with no more than 1000 meters of bus to form a virtual unit management mode. At this time, the outdoor part between the villas is the control bus and the audio bus, each adopts a two-core unshielded twisted pair (cat4-1.3×1p) with a diameter of 1.3mm, and the maximum line distance of the subnet section is 1000. m, increase the floor controller can extend the distance, the audio bus does not have this limitation.
29. What line is used for the cell audio bus, what is the signal for each core line, what is the topology form, how is the distance, and how to extend the distance?
Answer: With a two-core unshielded twisted pair (cat4-1.3×1p) with a diameter of 1.3mm, the signal is the audio signal line and the ground line, bus or free topology, and the same cell control bus. When the cell image is networked and equipped with an av signal switcher, the audio bus can be laid in the same structure as the video bus.
30. What line is used for the video bus of the cell, what is the signal for each core line, what is the topology form, how is the distance, and how to extend the distance?
A: syv-75-7 video coaxial cable, the signal is the video signal and ground, bus connection, 500 meters, plus video amplifier can extend the distance. See Article 22 for details.
31. How to connect between routers, what line to use, what is the signal for each core line, how is the topology form, how is the distance, how to extend the distance?
Answer: The two-core unshielded twisted pair (cat4-1.3×1p) with a diameter of 1.3mm is connected between the routers. The signal is the cell control bus, bus or free topology. The bus topology distance is 2700 meters. Free topology. The distance is 500 meters and the repeater can be extended to extend the distance.
32. How to connect between the master control host and the router, what line is used, what is the signal for each core line, what is the topology form, how is the distance, how to extend the distance?
Answer: There are two wires between the main control host and the router. One is the router power cable. It uses rvv2×1.0 and takes 16-30vdc or ac power. The second one is a two-core unshielded twisted pair with a diameter of 1.3mm. (cat4-1.3×1p) connection, the signal is the cell control bus, the topology is bus or free topology, the bus topology distance is 2700 meters, the free topology distance is 500 meters, and the repeater can extend the distance.
33. What line is used for the connection between the unit door pre-embedded box and the electric control lock. What is the signal for each core line? What are the restrictions on distance?
Answer: The connection is rvv2×1.0. The signal that is taken is the unlocked current pulse signal, and the distance is no more than 10 meters.
34, 8-port patch panels have several groups of the same line?
Answer: There are 2 groups of double-pass and 1 group of 4 links.
Second, on the pre-buried
35, the keyboard embedded box model, where is the installation, how is the installation height?
A: The 86 pre-embedded box is installed on the inner wall of the door. The bottom edge of the equipment is 1.4 meters away from the ground.
36. The embedded box model of the intelligent control switch module, where is it installed, and how is the installation height?
Answer: It is a 86 (or 120 vertical buried) pre-embedded box, installed next to the socket, and the height is equal to the socket, and the distance is not less than 2cm.
37. Infrared remote control embedded box model, where is the installation, and how is the installation height?
A: The 86 (or 120 vertical buried) pre-embedded box is installed on the wall opposite the controlled appliance (air conditioner), and the installation height is the same as the receiver.
38. The embedded box model of the on-site anti-theft module, where is the installation, and how is the installation height?
A: It is a 120 pre-embedded box, buried vertically, installed in the inner wall of the house, generally 2.2 meters from the ground.
39. The embedded box model of the on-site meter reading module is buried horizontally or vertically. Where is the installation and how is the installation height?
A: It is a 120 pre-embedded box, buried vertically, and installed near various types of tables.
40. The embedded box model of a single non-visual intercom indoor unit, where is it installed, and how high is the equipment installation height?
A: For the 86 pre-embedded box, it is installed on the inner wall of the entry, and the bottom edge of the device is 1.4 meters away from the ground.
41. The model of the embedded box of the non-visual intercom indoor unit and display component combination machine, buried or buried, where is the installation and how high is the installation height?
A: It is a special pre-embedded box of 218×129×50mm (model win-y350), which is buried vertically and installed on the inner wall of the entry. The bottom margin of the equipment is 1.4 meters.
42. The embedded box model of the super intelligent terminal, where is it installed, and how is the installation height?
A: It is a special pre-embedded box of 218×129×50mm (model win-y350), which is buried vertically and installed on the inner wall of the entry. The bottom margin of the equipment is 1.4 meters.
43. Can non-visual intercom indoor and intelligent keyboards be assembled? How to pre-buried?
A: It can be assembled, and a utp bus can be introduced from avp. It is installed on the inner wall of the entry with a 86 pre-embedded box. The bottom margin of the device is 1.4 meters. The joint is switched in the pre-embedded box.
44. Where is the smart control box generally located? What are the benefits?
A: The intelligent control box is generally located on the inner wall of the entrance, which is convenient for maintenance.
45. How many things are placed in the pre-embedded box of the intelligent control box? How large is the size of the buried box?
A: Generally, the switch power supply module (win-333p, 2u), intelligent control board (win-320c, 1u), voice remote control module (win-322, 1u), 8-way detector module (win-328-8, 1u) ), 8-way wiring module (win-318, 1u), four-way RF distribution module (win-314v, 1u), etc., a 12v3ah (or 7ah) battery, generally 14u pre-embedded box, size 365 × 230 × 120mm (model win-k302).
46. How much is placed in the pre-embedded box of the unit floor transfer box? How large is the size of the buried box?
Answer: Built-in bus signal divider and video signal distributor, generally adopt 9u pre-embedded box, the size is 240×230×120mm (model win-k300).
47. Which modules are generally installed in the pre-embedded box at the door of the unit? How large is the size of the buried box?
A: General installation unit door controller (win-325, 2u), switching power supply module (win-333p, 2u), unit controller (win-360ga, 1u), 7ah backup battery, the size of the pre-embedded box is 365×230 ×120mm (model win-k302).
Third, on the power supply
48. Which devices in the system need external 220v AC power?
A: The home smart control box, unit control box, unit auxiliary machine control box, router power box, intelligent control switch module, community and central host need to have 220v AC power. All pre-embedded boxes equipped with switching power supply modules require an external 220v AC power supply.
49. How many amps does the total output current of the intelligent control box not exceed?
Answer: 2a (output voltage is 12vdc).
50. After the AC power supply is cut off, where is the indoor battery powered by the backup battery, and what is the backup battery capacity? How long can it be used?
A: The system is powered by the backup battery of the smart control box. The backup battery capacity is 3ah (or 7ah). The time is equal to the battery capacity/power consumption. For example, 1a can last for 3 hours (or 7 hours).
51. The maximum power of the AC appliance controlled by the intelligent control module cannot exceed watts?
A: 1500w.
52. How long can the passive pulse water meter and gas meter be powered by the backup battery during the power outage?
Answer: Passive pulse water meter and gas meter are powered by the backup battery of the meter reading module during power failure, and can be used for more than 30 hours.
53. What is the limit between the field module and the intelligent control box? why?
Answer: The distance is generally within 100 meters. The DC voltage drop is mainly caused by the impedance of the power line. It can be calculated according to the current value.
54. If there is a large current at the front end of the house, is there any contingency measure on the wiring?
A: The above problem can be solved by separately pulling the large section power cable from the intelligent control box to the field module.
55. Where is the non-visual intercom indoor unit powered? Is there any backup power in case of power failure?
A: Powered by the intelligent control box, the smart control box has a spare battery.
56. Where is the video display component powered? Is there any backup power in case of power failure?
A: Powered by the power box of the intelligent control box, no backup power.
57. Where is the field module powered? Is there any backup power in case of power failure?
Answer: The field module is powered by the intelligent control box, and there is backup power when the power is off.
59. Where is the unit floor junction box module powered? Is there any backup power in case of power failure?
Answer: The signal divider and video distributor module in the unit floor junction box are powered by the power supply box of the bottom door machine. When there is power failure, there is backup power. The upper level can be equipped with multiple sub-power boxes, such as one for every 10 floors. The pre-buried box on this floor adopts win-k302 type, and requires 220v power supply line in the box.
61. How to press the emergency button on the smart keyboard? Can this button be linked?
A: Press and hold the emergency button for more than 1 second to trigger an emergency alarm. This button has no linkage function.
62, how to operate the defense?
A: Press and hold the “Out” button for more than 3 seconds.
63, the exit delay is a few seconds? How long is the entry delay?
A: The system exit delay is 60 seconds and the entry delay is 15 seconds.
64, how to prevent the buzzer sound to prevent operation?
A: Press any key to eliminate the buzzer sound. It is also possible to program a mode that is equivalent to silent arming.
65, how to exit the operation interface, return to the initial interface?
A: Press "f" + "↑".
66. How many records are there in the alarm record? How to query?
A: There are 30 alarm records. Enter “Query” first, then enter “Alarm Record”.
67, how many records of operation records, how to query?
A: There are 30 operation records. First enter “Query” and then enter “Operation Record”.
68. How many timers does the system have?
A: There are 4 timers in the system.
69. What kinds of working methods does the timer have?
A: There are three working modes: repeating the timer every day, one-time timing, and turning off the timer.
70, what does the red light on the keyboard mean? What does the red light mean? What does the yellow light flash slowly mean? What does the yellow light flash mean?
A: The red light on the keyboard indicates that the communication is interrupted. The red light flashes to indicate that there is an alarm. The yellow light flashes to indicate that the system is normally disarmed. The yellow flashing indicates that the system is in the armed state.
71. How many short messages can I store? How many words per word?
A: Short messages can be stored in six, each with a maximum of 15 characters, or 7 Chinese characters.
72. Which boxes can a smart box replace?
A: A smart control box can replace the video intercom transfer box, remote meter reading control box, home security main box, cable TV transfer box, intelligent wiring distribution box and so on.
73. What are the ways to control the system to turn on the lights?
A: Button manual, dian voice remote control, keyboard, intelligent control switch, linkage, mode, timing, indoor dian and other ways.
74. How does the intercom system talk to the center?
A: Enter 9999 and press the enter key.
75. Can the center open the unit door?
A: Yes.
76. What is the function of the “convert” button of the non-visual intercom indoor unit?
A: Used to convert the image between the unit door and the single door.
78. What are the detector attributes of the system alarm module?
A: There are 12 kinds: emergency, infrared 1, infrared 2, infrared 3, infrared 4, magnetic door 1, magnetic door 2, gas, smoke, vibration, window magnet, tamper.
79. System dian voice alarm can be recorded, how to operate?
A: You can record, use the indoor dian phone to enter the system, press the password +9, voice prompt to enter the password, enter the password's complement code (ie 9999-password), hear the beep to start recording, the recording ends the handset to beep.
80. What is the capacity of the system indoor bus?
A: There can be 20 addresses, each of which can be set with a module attribute, and a probe and a watch are attached.
81. Can the unit controller hang up to several unit floor transfer boxes? Can each floor controller hang multiple smart boxes?
A: The unit controller can be connected to up to 100 unit floor junction boxes, and each floor controller can be connected to multiple intelligent control boxes.
82, video distributor can be a few levels?
A: A video distributor is installed on each unit floor of the house below the sixth floor. There are more than six floors, and one distributor is set for every six floors.
83. Can the door machine be connected to several auxiliary machines?
A: 4
84. Can the intercom system in the community connect several door machines?
A: 4
85. How many meters is the remote control distance of the infrared remote control?
A: The launch distance can reach more than 5 meters.
86. How far is the remote control angle of the infrared remote control not less than one side?
A: Not less than 15 degrees on one side.
87, multi-channel alarm module can not be connected to other manufacturers' emergency call button?
A: Yes.
88. What is the function of the closed resistor of the alarm module? Where is the installation? What is the resistance value?
Answer: The anti-transmission line is open or shorted and installed in the detector. The resistance value is 10kω.
89. Are there tamper switches on those modules? When is it triggered? Will it continue to trigger?
A: There is a tamper switch on the keyboard, the on-site alarm module, and the on-site meter reading module. It triggers once when the module leaves the base and does not continuously trigger.
90. When does the doorbell siren module need to be used?
A: When there is no indoor non-visual intercom indoor unit, the doorbell siren module is required to be used as an alarm siren and doorbell.
91. In the infrared code during the day, I can't learn. What is the reason? How to deal with it?
A: It is possible to encounter strong light interference signals, and you can use the method of avoiding strong light.
92. What are the four rj45 sockets on the intelligent control board? What to pick?
Answer: ab1, cin, cout, bus; in turn, connect dian voice control module output, bus input, bus output, home control bus.
93. How many branches does the video distribution module have?
A: The video distribution board is 1 in 1 out and 2 out.
94. How many ohms is the video impedance matching resistance value? Does the top-level smart box video splitter require an impedance matching resistor?
A: The video impedance matching resistor value is 75 ohms. The top intelligent control box video distributor requires an impedance matching resistor.
95. How to set the address of the field module?
A: You can use the dial switch. The DIP switch consists of four binary digits, which are 4, 3, 2, and 1 from high to low. When the switch is on, it indicates that the bit is 0, and the opposite is 1. Read all numbers from high to low (ie, 4 is the high position of zui, 1 is the lowest bit), the number of the read number is the binary number of the module, and then converted to a decimal number is the address of the module. Br />
96. What is the defect address of the control keyboard? Should the address of a keyboard be set to a few?
A: The defect address of the smart keyboard is 15, and the address of adding a keyboard can be set to any of 14, 13, 12 .
97. What is the address of the intercom extension?
A: 5.
98, how to expand the defense system, how to set up?
A: The anti-theft system extension can add two 4-way field detector modules to an 16-channel detector module and expand to 16 zones. The dialing addresses of the two 4-channel field detector modules are 02h and 03h respectively. The eight module addresses of the eight-channel detector module are 00, 01, 02, 03, 04, 05, 06, 07, the first one. The address of the 4-channel field detector module is 08, 09, 10, 11 and the address of the second 4-channel field detector module is 12, 13, 14, 15.
99. What is the address of the 8-way detector module?
A: The 8 module addresses of the 8-way detector module are 00, 01, 02, 03, 04, 05, 06, 07.
