AeroComm CL4490-1000 用户手册
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
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
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.
10/3/2005
8