User Manual

Demand Assignment
System Overview GSI 005
605-0000-450
Draft Issue 1.3dr Date 8/02/00
Page 3 of 6
Figure 19. The S Series Service Interface Unit. (SU-V2 shown).
11.3. The N Series Subscriber Terminals
The N series Subscriber Terminals are designed for Voice Telephony and use an
external antenna and an internal Modular Service Interface Unit. The STs are powered
from the AC mains supply.
Service Interface Unit
Socket PSU
Internal Components
N2 = 2 voice lines N4 = 4 voice lines
Antenna / RF
IF Drop Cable
External Components
MU-V2 = 2 voice line
MU-V4 = 4 voice lines
Figure 20. N Series Demand Assigned Subscriber Terminals
The ST-N2 supports one 32kbit/s ADPCM or 64kbit/s PCM analogue telephony line at
the end-users premises. The Service Interface Unit is a MU-V2 with a two line module.
Provisioning is by the AS8100 management system.
The ST-N4 supports four 32kbit/s ADPCM analogue telephony lines at the end-users
premises. The Service Interface Unit is a MU-V4 equipped with 2 x two line modules.
Provisioning is by the AS8100 management system.