| Device 1 Pin Number |
Device 1 Pin Name |
Direction | Device 2 Pin Number |
Device 2 Pin Name |
Description (may be empty) |
| 2 | RD | Receive | 1 | Serial Output | Serial Data from Alarm Panel - Red wire |
| 3 | TD | Transmit | 4 | Serial Input | Serial Data to Alarm Panel - Yellow Wire |
| 4 | DTR | Transmit | NC | Jumper to DSR | |
| 5 | SG | Ground | 2 | Ground | Signal Ground - Black |
| 5 | SG | Ground | 3 | Ground | Signal Ground - Black |
| 6 | DSR | Receive | NC | Jumper to DTR | |
Connect the Molex to the PC-Link connector on the alarm panels main board. Connect it so that the red wire is directly beside the 'SO' printed on the circuit board.
You will also need the DSC software. This will not work with just a ordinary comm. program

