• LY 0.5 mm cable: up to 800 m
• Ref. 278 0.6 mm cable: up to 1200 m
3. The S0 bus.
4. A Mains power supply unit: AC/DC converter (see details below)
CAUTION: The  mains power supply  unit is used  as an S0  module sectioning device.  This device
should be easily accessible.
4.12.3.2 Alcatel-Lucent S0 Interface Module Rear Panel Details
UA
2
31
Figure 4.20: Rear Panel Details
1. RJ11 socket for UA line
2. RJ45 socket for S0 bus
3. Power supply socket
8 123457 6
SO Line 
Socket
Power Supply Socket
PCX & UA Set 
Socket
6 1235 4
1
2
Figure 4.21: Socket Details
PCX and digital set socket:
Pin Description
1 Not used
2 External Ringing 1
3 UA line 1
4 UA line 2
5 External Ringing 2
6 Not used
S0 bus RJ45 socket:
Chapter 
4
Installation and Cabling
3EH21123USAA - Ed. 01  - April 2017 - Installation Manual 121/207