Hooking Up Remote Keypads/Keypad Lights; Hooking Up Card Readers - Chamberlain SENTEX Infinity Series Installation Instructions Manual

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H. HOOKING UP REMOTE KEYPADS/KEYPAD LIGHTS
Each Infinity unit may have up to two remote keypads attached.
In "L", "S", or "DI" systems the main keypad is built into the unit faceplate and the auxiliary
keypad is remote from the system.
In "B" system, both keypads are remote from the system.
All remote keypads must be within 500 feet of the Infinity. The required cabling and
connections for each element of the keypad assembly is shown below. If you do not have the
optional lighted housing, ignore the section on lights.
NOTE: Cables must be run in metal conduit. Ground the conduit as described in the Installation
Tips. Do not run any other wires in this conduit and do not use PVC conduit.
KEYPADS: require a 7 conductor, 20-24 AWG, shielded cable. We suggest Belden Datalene
#9932 (with both foil and braid shield) or equivalent.
At the keypad housing:
1. Plug the keypad cable into J1 on the keypad board (1100017) from either direction.
NOTE: On the terminal board, you will need to connect the wires in the same order,
i.e., pin 1 at J1 to pin 1 at TB1, pin 2 to pin 2, etc..
2. Connect the shield to the ground point on the cabinet.
At the Infinity:
1. On the main circuit board, connect the keypad cable wires in the same order as on the
keypad board, i.e., pin 1 at J1 to pin 1 at TB 1, pin 2 to pin 2, etc.
2. TB 14 is for "Remote Keypad A" and TB 15 is for "Remote Keypad B". Remote
Keypad A activates relay 1. Remote Keypad B activates relay 2.
3. Connect the cable shield to the ground screw shown in Figure 3 or Figure 4.
LIGHTS: require a 2 conductor, unshielded cable. Use 18 AWG wire for distances up to 500 feet
and 16 AWG for longer runs. Do not run lighting wires and keypad cable in the same
conduit.
At the keypad housing: Wire the two lamps in parallel and connect to the unshielded pair.
At the Infinity: Connect the pair to the 12 VAC power on TB 1 of the Infinity's main board. If you
must connect multiple cables to TB1, wire nut the conductors together off the board
and connect a single 18 AWG wire to TB 1. Repeat for the other conductor from each
cable.
I. HOOKING UP CARD READERS
If you have card readers as part of your Infinity system, they connect to TB 4 for door one and/or
TB 6 for door 2 (this can also be the exit to door 1). You need 5 conductors of 20 to 24 AWG
stranded wire with overall braid shield for these connections.
NOTE: Cables must be run in metal conduit. Ground the conduit as described in the Installation
Tips. Do not run any other wires in this conduit and do not use PVC conduit. Special
grounding is required if your installation is near a broadcast tower or high-tension power
lines. Ground both ends of the cable and conduit as described in the Installation Tips.
Wiegand Readers: 24 AWG Belden Datalene #9929 cable with both a foil and braid shield is
recommended because it allows the card readers to be mounted up to 500 feet from the system.
The connections for the Wiegand readers are shown below:
Page 20 of 31
Doc 6001565
Rev C

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