PairGain T1L2PY0AA, Manual

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150-231-181-01, Revision 01 Appendix A - Specifications
HLU-231 List 8A September 7, 1999 59
System Alarm Relay Output
The normally open alarm contacts available across pins 20 and 21 ( Figure 29 on page 58 ) comprise the
HLU-231 List 8A system alarm output. These alarm contacts close for any system alarms condition. (See “View
Troubleshooting Screen” on page 37 for further information.)
C
RAFT
P
ORT
Figure 30 shows the pinout for the craft port connector and its connection to a DB-9 or DB-25 connector on a
maintenance terminal.
Figure 30. RS-232 Craft Port Pinouts