
| 63 | 
Table 5 Speed and transmission distance of V.24 (RS232)/V.35/X.21 cable
| V.24 (RS232) | V.35/X.21 | 
 | 
 | 
| 
 | 
 | 
 | 
 | 
| 4800 | 60 | 4800 | 625 | 
| 9600 | 30 | 9600 | 312 | 
| 19200 | 30 | 19200 | 156 | 
| 38400 | 20 | 38400 | 78 | 
| 64000 | 20 | 56000 | 60 | 
| 115200 | 10 | 64000 | 50 | 
| - | - | 2048000 | 30 | 
| 
 | 
 | 
 | 
 | 
When a V.24 cable is used, the baud rate in synchronous mode shall not exceed 64 Kbps.
Interface Attributes The interface attributes of 
Table 6 Interface attributes of 
| Attribute | Description | 
 | 
 | 
 | 
| 
 | 
 | 
 | 
 | 
 | 
| 
 | Synchronous | 
 | Asychronous | 
 | 
| 
 | 
 | 
 | 
 | 
 | 
| Connector | 
 | 
 | 
 | |
| 
 | 
 | 
 | 
 | 
 | 
| Number of Connectors | 4  | 
 | 
 | 
 | 
| 
 | 8  | 
 | 
 | 
 | 
| 
 | 
 | 
 | 
 | 
 | 
| Interface standard and | V.24 | V.35, X. 21, | 
 | |
| operating mode | 
 | 
 | 
 | 
 | 
| 
 | 
 | 
 | 
 | 
 | 
| 
 | DTE, DCE | DTE | DCE | 
 | 
| 
 | 
 | 
 | 
 | 
 | 
| 
 | Synchronous | 
 | Asychronous | 
 | 
| 
 | 
 | 
 | 
 | 
 | 
| Minimum Baud Rate | 1200 | 1200 | 
 | 300 | 
| 
 | 
 | 
 | 
 | 
 | 
| Maximum Baud Rate | 64k | 4.096M | 2.048M | 115.2 | 
| 
 | 
 | 
 | 
 | 
 | 
| Cable | V.24 (RS232) DTE | 
 | 
 | 
 | 
| 
 | V.24 (RS232) DCE | 
 | 
 | 
 | 
| 
 | V.35 DTE | 
 | 
 | 
 | 
