12713020-002-2 Revision D – April 2004 SSU-2000 User’s Guide 215
Output Module Reference Data
Line Retiming Unit (LRU)
Figure 8-23. Orientation of t he SSU-2000 I/O and CTA I/O Connector Pins
Installing the Optional Wire-Wrap Panel Overlay
The adapter panel identification overlay is a user-installed label that identifies each
port’s side 1 and side 2 wire-wrap pins (see Figure 8-24).
21 2R-ITIP-4 2R-ITIP-4 46 2R-IRING-4 2R-IRING-4
22 2R-OTIP-4 2R-OTIP-4 47 2R-ORING-4 2R-ORING-4
23 Not Connected Not Connected 48 DO NOT CONNECT Not Connected
24 CTA-2 (4-PORT) Not Connected 49 5vDC Not Connected
25 FRAME GROUND Not Connected 50 FRAME GROUND Not Connected
Note: The label must be installed before you make the wire-wrap
connections.
Table 8-17. SSU-2000 and CTA I/O Pin Description (Continued)
Pin
Number
Function
(LRU Applications
Only)
CTA Pin
Function
Pin
Number
Function
(LRU Applications
Only)
CTA Pin
Function
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