NUUO SCB-A08 - Manual (Page 7)

Trusted Video Management
NUUO Surveillance System - Accessory
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Fig. 3. Pin Terminal block
Pin RS232 RS422 RS485
1 RXD(+)
2 RXD RXD(-)
3 TXD TXD(+) D(+)
4 TXD(-) D(-)
5 GND GND GND
Fig. 4. Serial port DTE – BD-9 male
Pin RS232 RS422 RS485
1 DCD RXD(-)
2 RXD RXD(+)
3 TXD TXD(+) D(+)
4 DTR TXD(-) D(-)
5 GND GND GND
6 DSR CTS(-)
7 RTS CTS(+)
8 CTS RTS(+)
9 RI RTS(-)