A.4 Alarm Port
Pin
5
A.4
Alarm Port
The alarm port on the alarm rear transition module uses a standard DB-15 connector. In a
telecommunications environment, use this port to connect to the central office alarming system.
Figure A-5
Note -
FIGURE A-5
TABLE A-9
Pin
1
2
3
4
5
6
7
8
A.5
USB Ports
The server has four USB ports for attaching supported USB 1.1 and 2.0 compliant devices.
Figure A-6
154
Sun Netra T5440 Server • September 2015
Signal Description
Ground
shows the pin numbering of the alarm port.
The alarm port relay contacts are rated for 100 V 0.2 A maximum.
Alarm Port Pin Numbering
Alarm Connector Signals
Service
NC
NC
NC
NC
ALARM0_NO
ALARM0_NC
ALARM0_COM
ALARM1_NO
shows the pin numbering of the USB ports.
Pin
Signal Description
Table A-9
describes the pin signals.
Pin
9
10
11
12
13
14
15
CHASSIS
Table A-10
describes the pin signals.
Service
ALARM1_NC
ALARM1_COM
ALARM2_NO
ALARM2_NC
ALARM2_COM
ALARM3_NO
ALARM3_COM
FRAME GND
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