Sun Microsystems, Inc.   Sun System Handbook - ISO 3.4 June 2011 Internal/Partner Edition
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Loopback Connectors

RS-232/RS-423

PART # SYSTEM BOARDS CONNECT PINS
540-1281-01 CPU,SCSI, and ALM 2-3 4-5 6-20
540-1558-01 CPU, SCSI, ALM, ALM-2,
MCP, and SPC/S
2-3 4-5 6-8-20
17-24

RS-449

PART # SYSTEM BOARDS CONNECT PINS
540-1559-01 MCP 4-6 7-9 8-17 22-24
25-27 11-12-13
29-30-31 35-26

Parallel Port

PART # SYSTEM BOARDS CONNECT PINS
540-1560-01 ALM-2 1-10
12-2-4-6-8
13-3-5-7-9
501-1196-01 IPC 5-15 6-13 7-12
8-10 9-11

SBus Printer Board

PART # DESCRIPTION
530-1683-01 Parallel Port to Video Port Loopback Cable

SBus High Speed Serial Interface (HSI/S)

PART # DESCRIPTION
370-1381-01
530-1430-01
96-Pin High-Density Loopback Connector
RS-449 Loopback Test Plug

SBus Serial Parallel Controller (SPC)

PART # DESCRIPTION
370-1366-01
540-1558-01
96-Pin High-Density Loopback Connector
RS-232/RS-423 Loopback Test Plug


Last updated: December 2, 1996
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