Digi SM-720 - Page 102

SM-500V2 Service Manual Edition 5
100
Pin Signal Signal Pin
1 CD CD 8
2 RXD RXD 3
3 TXD TXD 2
4 DTR DTR 20
5 GND GND 7
6 DSR DSR 6
7 RTS RTS 4
8 CTS CTS 5
9 CI CI 22
PC (25 PIN) TO LCU 401
(For PC to LCU 401 communication)
25 Pin D-Sub (Female) 25 Pin D-Sub (Male)
Pin Signal Signal Pin
2 TXD TXD 2
3 RXD RXD 3
4 RTS RTS 4