9
6.5
Communication Lines
Standard
NetGuardian 480 G2 (Serial/LAN model)
Serial
8 RTS
7
6 TXD
5 GND
4 GND
3 RXD
2
1 CTS
232 Chain
Fig. 7a NetGuardian 480 G2
(Serial, 232 Chain, 10BaseT ports version)
with Drop & Insert
2 RX
3 TX
1st in Chain
4 GND
5 GND
6 RX
8 RTS
7
6 TXD
5 GND
4 GND
3 RXD
2
1 CTS
2nd in Chain
Interrogator
7 TX
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