Mitel Aastra 470 System Manual page 118

Installation
BRI basic rate interface network-side
Exchange
[1] Do not connect power supply NT1
[2] Do not fit the jumper
Fig. 36 Basic access on NT1
The assignment of the RJ45 connector is identical on the NT-side and on the side of
the communication server.
Tab. 46 Wiring of the BRI basic rate interface network-side
NT1
Socket Pin
1
2
3
4
5
6
7
8
Basic access in the private leased-line network
Fig. 37 BRI-S basic rate interface
118
Mains power
NT1
U
a
b
[2]
Cable cores
Straight patch cable
BRI-T sig-
nal
–
–
c
f
e
d
–
–
BRI-S Copper line
extern
PINX 1
max. 1,000 m
, networked with copper line
external
[1]
BRI-T
c
d
e
f
Communication server
BRI-T sig-
nal
–
–
c
f
e
d
–
–
BRI-T
PINX 2
4
Communica-
tion server
BRI-T
c
d
e
f
Pin Socket
1
2
3
4
5
6
7
8
Aastra 470 as of R3.2
syd-0337/1.6 – R3.2 – 09.2014