T1 Or E1 Straight-Through Cable: Rj-48C/Bantam; T1 Or E1 Rj-48C-Loopback Plug; Figure C-6 Rj-48C/Bantam Straight-Through Cable; Table C-14 Rj-48C/Bantam Straight-Through Cable Specifications - Lucent Technologies Stinger MRT 19 Getting Started Manual

Cables and Connectors
T1 and E1 connector and cable specifications

T1 or E1 straight-through cable: RJ-48C/Bantam

The WAN side of the RJ-48C/Bantam straight-through cable connects to dual bantam
jacks. Figure C-6 and Table C-14 show the pinouts.
Figure C-6. RJ-48C/Bantam straight-through cable
Table C-14. RJ-48C/Bantam straight-through cable specifications
Pair #
1
2

T1 or E1 RJ-48C-Loopback plug

The RJ-48C-Loopback plug loops the transmit signal back to the Stinger MRT.
Table C-15 shows the pinouts.
Table C-15. RJ-48C-Loopback plug specifications
Pair #
1
2
C-14
TIP 1 RECEIVE
RING 1 RECEIVE
RING 2 TRANSMIT
TIP 2 TRANSMIT
Male Dual 310-P
Signal
Receive
Transmit
Signal
Receive
Transmit
Male RJ-48C
Male Dual 310-P Male RJ-48
Tip 1 1
Ring 1 2
Tip 2 5
Ring 2 4
Male RJ-48C
1 (connects to 4)
2 (connects to 5)
4 (connects to 1)
5 (connects to 2)
Stinger® MRT Getting Started Guide
5 TRANSMIT
4 TRANSMIT
2 RECEIVE
1 RECEIVE