User Manual

AS4000 Subscriber Terminal
Installation and Commissioning
GSI 002
605-0000-454
Draft Issue 1.3 Date 8/02/00
Page 8 of 14
3.9 The S Series Sub-Unit Subscriber Terminals
The S series Subscriber Terminals are designed for Voice Telephony and use an
external antenna and a internal metal box Sub-Unit Service Interface Unit. The
unit is designed for use in places where a more robust unit is needed. I.e.
Payphones. The STs are powered from the AC mains supply.
Antenna / RF
IF Drop Cable
Service Interface Unit
Type 6
Socket PSU
External Components
Internal Components
S1 (1 line) S2 (2 lines)
SU-1 (1 line)
SU-2 (2 lines)
Figure 5. S Series Demand Assigned Subscriber Terminals
The ST-S1 supports one 32kbit/s ADPCM or 64kbit/s PCM analogue telephony
line at the end-users premises. The Service Interface Unit is a SU-1 single line
unit. Provisioning is by the AS8100 management system.
The ST-S2 supports two 32kbit/s ADPCM or 64kbit/s PCM analogue telephony
lines at the end-users premises. The Service Interface Unit is a SU-1 two line unit.
Provisioning is by the AS8100 management system.