7 t1/e1 and isdn-bri s/t interface cards, T1/e1 and isdn-bri s/t interface cards -29, Rj-48 pinout for isdn-bri s/t interface card -29 – Comtech EF Data SDM-9220 User Manual
Page 107
Product Description
Memotec Inc.
5-29
5.9.7
T1/E1 and ISDN-BRI S/T Interface Cards
Use an RJ-48 cable for T1/E1 (E1-120) and ISDN-BRI S/T connections. This cable is a
standard unshielded twisted pair (UTP) male-male cable with RJ-48 connectors.
NOTE:
One RJ-48 to RJ-48 cable is provided for each physical digital port on the T1/
E1 and ISDN-BRI S/T interface cards.
TE Mode
NT Mode
Pin No.
Signal
Pin No.
Signal
1
Receive (+)
1
Transmit
2
Receive (-)
2
Transmit
3
(not used)
3
(not used)
4
Transmit (+)
4
Receive
5
Transmit (-)
5
Receive
6
(not used)
6
(not used)
7
(not used)
7
(not used)
8
(not used)
8
(not used)
Table 5-10: RJ-48 pinout for single/dual port T1/E1 interface cards
Pin No.
Description
1
Power (+)
2
Power (-)
3
Transmit (+) Output
4
Receive (+) Input
5
Receive (-) Input
6
Transmit (-) Output
7
Power (-)
8
Power (+)
Table 5-11: RJ-48 pinout for ISDN-BRI S/T interface card