Dual/Quad T1/Pri Option Module (P/N 1200314L1/L2 And 1200755L1/L2), Usoc Rj-48C; Quad Bri (U-Interface) Option Module (P/N 1200315L1), Usoc Rj-48C; Quad Bri Isdn (S/T Interface) Option Module (P/N 1200764L1), Usoc Rj-45; Table 23. T1/Pri Rj-48C Pinout - ADTRAN Atlas 550 System Manual

ATLAS 550 System Manual
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.
Pin
1
2
3
4
5
6,7,8

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.
Pin
1, 2, 3, 6, 7, 8

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.
Pin
1, 2, 7, 8
3, 6
4, 5
61200305L2-1B

Table 23. T1/PRI RJ-48C Pinout

Name
RXDATA-RING (R)
RXDATA-TIP (T1)
–––––
TXDATA-RING (R)
TXDATA-TIP (T)
–––––

Table 24. BRI RJ-48C Pinout (U-Interface)

Name
–––
4 RING
5 TIP

Table 25. BRI RJ-48C Pinout (S/T Interface)

Name
–––
RECEIVE
TRANSMIT
© 2004 ADTRAN, Inc.
Section 2 Engineering Guidelines
Description
Receive data from the network
Receive data from the network
Unused
Send data towards the network
Send data towards the network
Unused
Description
Unused
Ring to and from the network interface
Tip to and from the network interface
Description
Unused
Receive for User Term (NT Mode)
Transmit for User Term (NT Mode)
43