User Manual

AS4000 Subscriber Terminal
Installation and Commissioning
GSI 002
605-0000-454
Draft Issue 1.3 Date 8/02/00
Page 10 of 14
3.10 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 7. 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.
Figure 8. The N Series Service Interface Unit. (MU-V4 shown).