B&B Electronics GW-7553 - Manual - Manual (Page 8)

Table 3 9-pin screw terminal block
Pin Name Description
1 CTS Clear to Send of RS-232
2 RTS Request to Send of RS-232
3 RX Receive Data of RS-232
4 TX Transmit Data of RS-232
5 GND GND of RS-232
6 - N/A
7 - N/A
8 +VS V+ of Power Supply(+10 ~ +30 V
DC
)
9 GND GND of Power Supply
Table 4 RJ-45 socket
Pin Name Description
1 TX+ TX+ output
2 TX- TX- output
3 RX+ RX+ input
4 - N/A
5 - N/A
6 RX- RX- input
7 - N/A
8 - N/A
Table 5 PROFIBUS DB9 Female Connector
Pin Name Description
1 - N/A
2 - N/A
3 B Non-inverting Bus Line
4 ISODE Isolated DE output for use in PROFIBUS
applications where the state of the isolated drive
enable node needs to be monitored.
5 GND Power supply ground for the first node and the last
node
6 VP +5V Power Supply for the first node and the last
node
GW-7553 PROFIBUS/Modbus TCP Gateway User Manual (Version 1.00, Dec/2008) PAGE: 8