User Manual

Demand Assignment
System Overview GSI 005
605-0000-450
Draft Issue 1.3dr Date 8/02/00
Page 2 of 6
Figure 17. The R Series Service Interface Unit (RU-V2 shown)
11.2. 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
Socket PSU
External Components
Internal Components
S1 (1 line) S2 (2 lines)
SU-V1 (1 line)
SU-V2 (2 lines)
Figure 18. 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-V1 single line unit.
Provisioning is by the AS8100 management system.
The ST-S2 supports two 32kbit/s DPCM or 64kbit/s PCM analogue telephony lines at
the end-users premises. The Service Interface Unit is a SU-1V two line unit.
Provisioning is by the AS8100 management system.