CL4424 User’s Manual
RS-232 Pin Assignments
Figure 2- RS-232 CL4424 Back View
| DB9 Male Connector |
|
| Power Connector |
|
|
|
|
|
1 | 5 |
6 | 9 |
|
| Input / |
Pin | Description | Output |
1 | DCD | O |
2 | TxD | O |
3 | RxD | I |
4 | DSR | O |
5 | GND |
|
6 | DTR | I |
7 | CTS | O |
8 | RTS | I |
9 | RI | O |
RS-485 (2-wire Half Duplex) Terminal Block Pin Assignments
Figure 3- RS-485 CL4424 Back View
Terminal Block
1 
6
Power Connector
Pin |
| Description |
1VCC (6
2485- (485B)
3No Connect
4No Connect
5485+ (485A)
6GND
Note: Standard power is applied through the power connector. Alternative power is available via the terminal block pins.
6/21/2005 | 8 |
