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5
PIN 1, 2: Transmit
PIN 3, 6: Receive
COM: RS232 console port (9-pin Male connector, as the same as the computer).
Male connector (as the same as the PC)
9 PIN D-SUB MALE at the VoIP FXO gateway
Pin Name Dir Description
2 RXD
Å
Receive Data
3 TXD
Æ
Transmit Data
5 GND
─
System Ground
L1 ~ L6: RJ-11 (PSTN or Extension Line of PBX)
On / Off: Power switch on/off.
100 - 240 VAC: AC Power supply.