Serial Port Cable 59
Figure 34 X.21 DTE Cable Assembly
Table 35 describes X.21 DTE cable pinouts.
Table 35 X.21 DTE Cable Pinouts
DB50 | Signal | Signal Direction | Signal | DB15 |
|
|
|
|
|
7 | GND | Circuit GND | 8 | |
|
|
|
|
|
23 | DTE/DCE | - | Circuit GND | 8 |
|
|
|
|
|
50 | GND | Shield GND | 1 | |
|
|
|
|
|
10 | RTS/CTS+ | Control+ | 3 | |
|
|
|
|
|
34 | RTS/CTS- | Control- | 10 | |
|
|
|
|
|
38 | CTS/RTS+ | <- | Indication+ | 5 |
|
|
|
|
|
14 | CTS/RTS- | <- | Indication- | 12 |
|
|
|
|
|
20 | RXD/TXD+ | <- | Receiver+ | 4 |
|
|
|
|
|
44 | RXD/TXD- | <- | Receiver- | 11 |
|
|
|
|
|
15 | TXD/RXD+ | Transmit+ | 2 | |
|
|
|
|
|
39 | TXD/RXD- | Transmit- | 9 | |
|
|
|
|
|
19 | RXC/TXCE+ | <- | Timing+ | 6 |
|
|
|
|
|
43 | RXC/TXCE- | <- | Timing- | 13 |
|
|
|
|
|
- | Shielding sheath | Shielding sheath | - | |
|
|
|
|
|
X.21 DCE Cable Pinouts Figure 35 illustrates the X.21 DCE cable.
Figure 35 X.21 DCE Cable Assembly
Table 36 describes X.21 DCE cable pinouts.
Table 36 X.21 DCE Cable Pinouts
DB50 | Signal | Signal Direction | Signal | DB15 |
|
|
|
|
|
7 | GND | Circuit GND | 8 | |
|
|
|
|
|
50 | GND | Shield GND | 1 | |
|
|
|
|
|
10 | RTS/CTS+ | Indication+ | 5 | |
|
|
|
|
|
34 | RTS/CTS- | Indication- | 12 | |
|
|
|
|
|
38 | CTS/RTS+ | <- | Control+ | 3 |
|
|
|
|
|