GSE 672 - Page 11

5
Table 2: Communication Port1 and Port2 Pin Out
DB9 pin
designation
Function
Com 1
Function
Com 2
1 No connection No connection
2 RXD RXD
3 TXD TXD
4 No connection No connection
5 Ground Ground
6 No connection No connection
7 RTS RTS
8 CTS CTS
9 +5 V +5 V