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 |
|
|
|