Avaya DECT R4 Installation And Administration Manual page 539

Bus Connection to Modular Jacks
1.
ELISE
J12 J13
(AIWS Hardware) placed to the left of another System 900 unit. Connect the bus cable as
shown, from connector J12/J13 on the Elise 2 Server (AIWS Hardware) to the bus
connector on the other unit.
Note:
Make sure connectors are correctly inserted!
Note:
Bus Connection to Screw Terminals
If system bus cable is not used, connections are made with twisted pairs to screw connector
J24.
Figure 175: Connection of System 900 bus.
To A or B-bus in other units
within the System 900
Other System 900 units are connected to A or B-bus, pin 1 and 2 at screw connector J24.
Note:
Observe polarity. Use only twisted pairs for two-wire connections.
Note:
Avaya DECT R4 - Installation and Maintenance Guide
The illustration above shows an Elise 2 Server
Other unit
J24
1 BUS 1
2 BUS 2
Installation
539
02/2016