ISDN BRI
47
SmartNode 4660 & 4670 User Manual
C • Cabling
ISDN BRI
The ISDN port connects to ISDN terminals (phones, PBXs) or an ISDN S-BUS using cables terminated with
RJ-45 connectors. Use straight-though cables to connect to the TE port of your phone, PBX, or
residential S-BUS.
Figure 14. Connecting an ISDN device
Note:
Other pins are not used.
SN4660
12
V, 2
A
Po
wer
!
Co
ns
ole
ET
H 0
/3
E
TH
0
/2
ET
H 0
/1
ET
H 0
/0
0
/3
0
/2
0
/1
0/0
B
R3
B
R2
BR
1
B
R0
FX
S
RJ-45, male
RJ-45, male
3
4
5
6
3
4
5
6