Sun Microsystems Netra 210, Service Manual

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B-6 Netra 210 Server Service Manual • March 2006
FIGURE B-4
Serial Port ( l0l0l ) Pin Numbering
B.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 B-5
shows the pin numbering of the alarm port, and
TABLE B-9
describes the pin signals.
Note –
The alarm port relay contacts are rated for 100 V 0.2 A maximum.
FIGURE B-5
Alarm Port Pin Numbering
TABLE B-8
Serial Port ( l0l0l ) Connector Signals
Pin Signal Description Pin Signal Description
1 Data Carrier Detect 6 Data Set Ready
2 Receive Data 7 Request to Send
3 Transmit Data 8 Clear to Send
4 Data Terminal Ready 9 Ring Indicate
5 Ground
1 5
6 9
1
8
9 15
ALARM