Aastra 470 - Page 125

Installation
125
Aastra 470 ab R3.0
syd-0337/1.5 – R3.0 – 05.2013
PRI primary rate interface, network-side
Fig. 39 PRI primary rate interface on NT1
Tab. 48 Connection of PRI primary rate interface
NT1
Cable cores
Straight patch cable
Communication server
Socket Pin
PRI sig-
nal
1)
1)
Other designations are also possible on the NT1 such as: "S2m ab" instead of "TxA/TxB" and "S2m an" instead
of "RxA/RxB".
PRI signal Pin Socket
1 TxA RxA 1
2 TxB RxB 2
3– –3
4 RxA TxA 4
5 RxB TxB 5
6– –6
7– –7
8– –8
NT1
U
PRI
RXA
RXB
TXA
TXB
Exchange
Mains power
Communication
server















