ATLAS 550 System Manual - Adtran

ATLAS 550 System Manual Section 2 Engineering Guidelines
Dual/Quad T1/PRI Option Module (P/N 1200314L1/L2 and 1200755L1/L2),
USOC RJ-48C
Each port of the Dual/Quad T1/PRI Option Module uses a single, 8-position modular jack for connection
to the T1 or PRI circuit. Table 23 gives the pinout for this jack.
Table 23. T1/PRI RJ-48C Pinout
Pin Name Description
1 RXDATA-RING (R) Receive data from the network
2 RXDATA-TIP (T1) Receive data from the network
3 ––––– Unused
4 TXDATA-RING (R) Send data towards the network
5 TXDATA-TIP (T) Send data towards the network
6,7,8 ––––– Unused
Quad BRI (U-Interface) Option Module (P/N 1200315L1), USOC RJ-48C
Each port of the Quad BRI (U-Interface) Option Module uses a single RJ-48C jack for connection to a
standard BRI U-interface circuit. Table 24 shows the network pinout connection.
Table 24. BRI RJ-48C Pinout (U-Interface)
Pin Name Description
1, 2, 3, 6, 7, 8 ––– Unused
4 RING Ring to and from the network interface
5 TIP Tip to and from the network interface
Quad BRI ISDN (S/T Interface) Option Module (P/N 1200764L1), USOC RJ-45
Each port of the Quad BRI ISDN (S/T Interface) Option Module uses a single RJ-45 jack for connection to
a standard BRI S/T interface circuit. The Quad BRI ISDN (S/T Interface) Option Module is only available
for use in NT mode (User Term) applications. Table 25 shows the network pinout connection.
Table 25. BRI RJ-48C Pinout (S/T Interface)
Pin Name Description
1, 2, 7, 8 ––– Unused
3, 6 RECEIVE Receive for User Term (NT Mode)
4, 5 TRANSMIT Transmit for User Term (NT Mode)
61200305L2-1B © 2004 ADTRAN, Inc. 43