ADTRAN 1200305L1 Octal/Quad FXO Option Module (P/N 1200310L1/1200329L1), Dual Nx 56/64 Option Module (P/N 1200311L1)

Section 2, Engineering Guidelines ATLAS 550 System Manual
36 © 2002 ADTRAN, Inc. 61200305L1-1F
Octal/Quad FXO Option Module (P/N 1200310L1/1200329L1)
Each port of the Octal/Quad FXO Option Module has a single 8-pin modular jack. Connector pinout is
compatible with (USOC) RJ-11C and is shown in Table 15.
Dual Nx 56/64 Option Module (P/N 1200311L1)
Each port of the Dual Nx 56/64 Option Module has a V.35 Winchester-style connection as defined in
Tabl e 16.
Connector Type (USOC) RJ-11C
Table 15. FXO Pinout
PIN NAME DESCRIPTION
1, 2, 3, 6, 7, 8 Unused —
4 Ring Ring to and from the analog phone interface
5 Tip Tip to and from the analog phone interface
Table 16. V.35 Winchester Pinout
Pin CCITT DESCRIPTION
A 101 Protective ground (PG)
B 102 Signal ground (SG)
C 105 Request to send (RTS) from DTE
D 106 Clear to send (CTS) to DTE
E 107 Data set ready (DSR) to DTE
F 109 Received line signal detector (DCD) to DTE
H — Data terminal ready (DTR) from DTE
J — Ring indicator (RI)
R 104 Received data (RD-A) to DTE
T 104 Received data (RD-B) to DTE
V 115 RX clock (RC-A) to DTE
X 115 RX clock (RC-B) to DTE
P 103 Transmitted data (TD-A) from DTE
S 103 Transmitted data (TD-B) from DTE
Y 114 TX clock (TC-A) to DTE
AA 114 TX clock (TC-B) to DTE