
SNMP Adapter User’s Guide
PS/2 Connector
PS/2 Connector Pins
| Pin | Name | Description | 
| 
 | 
 | 
 | 
| 1 | GND | Ground | 
| 
 | 
 | 
 | 
| 2 | +9V or | Power | 
| 
 | +12V | 
 | 
| 
 | 
 | 
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| 3 | 
 | Not used | 
| 
 | 
 | 
 | 
| 4 | 
 | Not used | 
| 
 | 
 | 
 | 
| 5 | Tx | Serial transmit | 
| 
 | 
 | 
 | 
| 6 | Rx | Serial receive | 
| 
 | 
 | 
 | 
Serial Port – Adapter Card
Figure 2:- Pin Assignments
| PIN | Name | Description | 
| 1 | GND | +12V GND | 
| 2 | +12V | +12V Power | 
| 3 | RXDUPS | Connect to UPS Tx signal | 
| 4 | TXDUPS | Connect to UPS Rx signal | 
| 5 | RXDPC | Connect to terminal Tx signal | 
| 6 | TXDPC | Connect to terminal Rx signal | 
| 7 | Not used | 
 | 
| 8 | SNMPSIG | SNMP card detect, connect to  | 
| 9 | GND | +12V GND | 
| 10 | +VCC | Provided by UPS | 
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