ADTRAN 1200305L1 NxT1 HSSI/V.35 Option Module (P/N 1200346L2)

Section 2, Engineering Guidelines ATLAS 550 System Manual
44 © 2002 ADTRAN, Inc. 61200305L1-1F
NxT1 HSSI/V.35 Option Module (P/N 1200346L2)
V.35 is possible with the NxT1 HSSI Option Module with an appropriate adapter cable (ADTRAN P/N
3125I081@A); however, some HSSI menu options will be unavailable in this mode (see User Interface
Guide section for details). Table 29 (below) and Table 30 on page 45 give the pinouts for the V.35 and
RJ-48C (T1) connectors, respectively.
19 44 SG - Signal Ground
20-23 45-48 Ancillary to DTE (Reserved)
24 49 TM - Test Mode
25 50 SG - Signal Ground
Table 29. HSSI/V.35 Connection Pinout
PIN# (+ side) PIN# (- side) DIRECTION DESCRIPTION
1 26 — HSSI SG - Signal Ground
2 27 O HSSI RT - Receive Timing
3 28 O HSSI CA - DCE Available
4 29 O HSSI RD - Receive Data
5 30 O HSSI LC - Loopback Circuit C
6 31 O HSSI ST - Send Timing
7 32 — HSSI SG - Signal Ground
8 33 I HSSI TA - DTE Available
9 34 I HSSI TT - Terminal Timing
10 35 I HSSI LA - Loopback Circuit A
11 36 I HSSI SD - Send Data
12 37 I HSSI LB - Loopback Circuit B
13 38 — HSSI SG - Signal Ground
— 39 — Ancillary to DCE (Reserved)
14 — I V.35 RTS - Request to Send
15 40 I V.35 TT Terminal Timing
16 41 I V.35 SD Send Data
— 42 O V.35 DCD - Data Carrier Detect
17-18 43 — Ancillary to DCE (Reserved)
19 44 — HSSI SG - Signal Ground
20 45 O V.35 ST - Send Timing
21 46 O V.35 - Receive Timing
Table 28. HSSI (SCSI-50) Connection Pinout (Continued)