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Appendix A. Pinouts
A-2 T3SU 300 User Manual 61200217L1-1
Table A-2. HSSI Interface Pin Assignments
Pin # Pin # Direction Description
(+ side) (- side)
1 26 Signal Ground (SG)
2 27 O Receive Timing (RT)
3 28 O DCE Available (CA)
4 29 O Receive Data (RD)
5 30 O Loopback Circuit C (LC)
6 31 O Send Timing (ST)
7 32 Signal Ground (SG)
8 33 I DTE Available (TA)
9 34 I Terminal Timing (TT)
10 35 I Loopback Circuit A (LA)
11 36 I Send Data (SD)
12 37 I Loopback Circuit B (LB)
13 38 Signal Ground (SG)
14-18 39-43 I Five Ancillary to DCE
19 44 Signal Ground (SG)
20-23 45-48 O Five Ancillary from DCE
24 49 O Test Mode (TM)
25 50 Signal Ground (SG)