Comtech EF Data EQ90 Series - Manual (Page 12)

EQ90 REV 2 ERRATA A.DOC 1
Errata A
Comtech EFData Documentation Update
Subject: Changes to Table 2-2. Summary Alarm Interface Connector J3 Pin
Assignments
Date: October 18, 2000
Document: EQ90 Group Delay/Amplitude Equalizer Installation and Operation
Manual, Rev. 2, dated June 14, 1998
Part Number: MN/EQ90.EA2
Collating Instructions: Attach this page to page 2-5
Comments:
The following changes provide additional Table 2-3 and updates to paragraph 2.3.1. This
information will be incorporated into the next revision.
Change Specifics:
Table 2-3. Summary Alarm Interface Connector J3 Pin Assignments
Pin No. Assignment
1,2 Not Used
3 Normally Open (Equalizer Operational). Referenced to pin 4.
4 Common
5,6 Not Used
7 Alarm Out (Open, Equalizer Operational). Referenced to pin 8.
8 Alarm Common
9 Normally Closed (Equalizer Operational). Referenced to pin 4.
2.3.1 Channel Monitor
The alarm monitor output connector (J3) provides a summary fault status output to a summary
alarm panel, or annunciator type device, or redundancy switching equipment. Refer to Table 2-3
for pin assignments.