February 2003
B-7
1000-A2-GN22-00
B. Pin Assignments and Indicators
System Alarm
Connection
Requirements
The CPX-1000 includes an Alarm board in the summary alarm
panel at the top of the shelf. This Alarm board continuously
monitors various internal system operating parameters and
reports alarms (if failures are detected). Dry Form-A closures
1
are
provided for critical, major, and minor alarm connections to
external local alarm surveillance equipment.
The closure specifications are:
Rated resistive load: 20 Ohms (typical) @ 50 mA, 5 Ohms
(typical) @ 100 mA
Rated inductive load: not applicable
Operating voltage: 100 VDC/VAC (350 VDC or peak ac for
100 ms transients)
Continuous load: 250 mA dc, 150 mA ac
Minimum load: 10
µ
A at 10mVDC
Critical alarm closure is normally closed. Major and minor closures
are normally open.
1. Optically coupled, CMOS FET bipolar switches
Table B–5. Remote Alarm Connector Pin Assignments
Pin
Signal
1
Critical Alarm
2
Critical Alarm Return
3
Major Alarm
4
Major Alarm Return
5
Minor Alarm
6
Minor Alarm Return
7
Rack Alarm (not used)
8
Rack Alarm Return (not used)
Summary of Contents for Jetstream CPX-1000
Page 14: ...Preface 1000 A2 GN22 00 x February 2003...
Page 24: ...1 Voice over Broadband Networking 1000 A2 GN22 00 1 10 February 2003...
Page 64: ...2 CPX 1000 Voice Services Platform Description 1000 A2 GN22 00 2 40 February 2003...
Page 100: ...3 Installing the CPX 1000 1000 A2 GN22 00 3 36 February 2003...
Page 128: ...5 Repair Procedures 1000 A2 GN22 00 5 14 February 2003...
Page 156: ...D Specifications 1000 A2 GN22 00 D 8 February 2003...
