ECI XDM-300, Installation And Maintenance Manual

Page: 246 / 266

Connectors Pin Assignment XDM-300 Installation and
Maintenance Manual
A-26 ECI Telecom Ltd. Proprietary 417006-2311-0H3-A00
SHELF Alarm Connectors
The SHELF alarm connectors are 36-pin SCSI female connectors. Each
connector is connected to the ALARMS connector of an XDM-300 shelf. Refer
to ALARMS Connector (on page
A-2 ) for description. The following figure
identifies the connector pins as seen when looking into the connector, and the
table lists the pin assignment for this connector.
Pin 18
Pin 36
Pin 1
Pin 19
Figure A-13: SHELF alarm connectors pin identification
Table A-15: SHELF alarm connectors pin assignment
Pin Name Function Direction
1 N/C Not connected --
2 ALM_IP1 Alarm input 1, + wire Input
3 ALM_IN1 Alarm input 1, – wire Input
4 ALM_IP2 Alarm input 2, + wire Input
5 ALM_IN2 Alarm input 2, – wire Input
6 ALM_IP3 Alarm input 3, + wire Input
7 ALM_IN3 Alarm input 3, – wire Input
8 ALM_IP4 Alarm input 4, + wire Input
9 ALM_IN4 Alarm input 4, – wire Input
10 ALM_O4 Alarm output 4 Output
11 N/C Not connected --
12 GND Ground --
13 ALM_O1 Alarm output 1 Output
14 N/C Not connected --
15 GND Ground --
16 ALM_O2 Alarm output 2 Output
17 N/C Not connected --
18 BUZZ Buzzer Input
19 N/C Not connected --
20 GND Ground --
21 CRIT_COM Critical alarm Output
22 N/C Not connected --
23 MAJ_COM Major alarm Output
24 GND Ground --
25 N/C Not connected --