AeroComm CL4490-1000 - Manual (Page 8)

CL4490 User’s Manual
RS-232 Pin Assignments
Figure 2- RS-232 CL4490 Back View
Power Connector DB9 Male Connector
1 5
6 9
Pin Description
NC DCD
2 TxD
3 RxD
4 DSR
5 GND
6 DTR
7 CTS
8 RTS
NC RI
RS-485 (2-wire Half Duplex) Terminal Block Pin Assignments
Figure 3- RS-485 CL4490 Back View
1 6
Power Connector
Terminal Block
Pin Description
1 VCC (6V-18V)(1.3 A
2 485- (485B)
3 No Connect
4 No Connect
5 485+ (485A)
6 GND
Note: Standard power is applied through the power connector. Alternative power is available via
the terminal block pins.
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