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Elevator Restriction System Installation and Operation Manual
Installing the Elevator Restriction Unit
Attention: Do not T-tap.
Figure 13. RS-485 Wiring
2.8
Optional TCP/IP Network Connection
Note:
With firmware 3.4.x and higher, Elevator Control features
work with card access panels or telephone access panels that are
connected to the Elevator Restriction Unit with RS-485 or TCP/
IP.
Use the optional TX3-IP Module to connect the Elevator Restriction Unit
(models TX3-ER-8-A and TX3-ER-8-B only) to an Ethernet TCP/IP network.
The TX3-IP Module allows you to configure and monitor the TX3 devices on
your system using a computer and an Ethernet connection.
Connect shield to chassis
ground on one panel only
Connect shield to chassis
ground on one panel only
120 Ω
120 Ω
Optional common
reference connection
if available
Panel 1
First panel on network
Panel 3
Last panel on network
Panel 2
