User Manual

Demand Assignment
System Overview GSI 005
605-0000-450
Draft Issue 1.3dr Date 8/02/00
Page 6 of 6
The ST-2xL64 supports two 64kbit/s serial data transmissions and operates in Fixed
Assigned mode. The Service Interface Unit is MU-D2x64 with 2x 25 way D-Type
socket interfaces (RS530).
Figure 25. The L Series Service Interface Unit. (MU-D2x64 shown).
11.6. The M Series Subscriber Terminals (provisional information)
The M series Subscriber Terminals are designed for telephony and use external antennas
and a number of Service Interface Units. The modular Service Interface Units units are
housed in a Modular Enclosure. The STs are powered from the AC mains supply.
Proposed Modular systems are:
Subscriber
Terminal
Service
Interface
Unit
Number of
SIUs
Antennas Function
M2 MU-V2 1 1 Two line voice 64kbits PCM / 32kbit/s
ADPCM
M4 MU-V4 1 1 Four line voice 32kbit/s ADPCM
M4/64 MU-V2 2 2 Four line voice 64kbits PCM / 32kbit/s
ADPCM
M8 MU-V4 2 2 Eight line voice 64kbits PCM / 32kbit/s
ADPCM
M8/64 MU-V2 4 4 Eight line voice 64kbits PCM / 32kbit/s
ADPCM
M16 MU-V4 4 4 Sixteen line voice 64kbits PCM /
32kbit/s ADPCM