Mitel Aastra 470 System Manual page 121

PRI primary rate interface, network-side
Mains power
Exchange
Fig. 40 PRI primary rate interface on NT1
Tab. 50 Connection of PRI primary rate interface
NT1
Socket Pin
1
2
3
4
5
6
7
8
1)
Other designations are also possible on the NT1 such as: "S2m ab" instead of "TxA/TxB" and "S2m an" instead
of "RxA/RxB".
Primary rate access in the private leased-line network
Fig. 41 Primary rate access, networked with copper line
Aastra 470 as of R3.2
syd-0337/1.6 – R3.2 – 09.2014
NT1
U PRI
Cable cores
Straight patch cable
PRI sig-
1)
nal
TxA
TxB
–
RxA
RxB
–
–
–
4-wire
Copper line
PRI PRI
PINX 1 PINX 2
max. 200 m
Copper line
PRI
PINX 1
max. 200 m
RXA
RXB
Communication
TXA
server
TXB
Communication server
PRI signal
RxA
RxB
–
TxA
TxB
–
–
–
4-wire
PRI
PINX 2
Installation
Pin Socket
1
2
3
4
5
6
7
8
121