Servicing Information
RS530 / RS422 Link Pinouts
|
|
| Direction | ||
Contact |
| Circuit | To | From | |
Number | Circuit | Name | DCE |
| DCE |
1 | Shield | Protective Ground | NA |
|
|
2 | BA (A) | Transmitted Data | X |
|
|
3 | BB (A) | Received Data |
|
| X |
4 | CA (A) | Request to Send | X |
|
|
5 | CB (A) | Clear to Send |
|
| X |
6 | CC (A) | Data Set Ready |
|
| X |
|
|
|
|
|
|
7 | AB | Signal Ground | NA |
|
|
|
|
|
|
|
|
8 | CF (A) | Received Line Signal Detector |
|
| X |
|
|
|
|
|
|
9 | DD (B) | Receive Signal Element Timing (DCE Source) |
|
| X |
|
|
|
|
|
|
10 | CF (B) | Received Line Signal Detector |
|
| X |
11 | DA (B) | Transmit Signal Element Timing (DTE Source) | X |
|
|
12 | DB (B) | Transmit Signal Element Timing (DCE Source) |
|
| X |
13 | CB (B) | Clear to Send |
|
| X |
14 | BA (B) | Transmitted Data | X |
|
|
15 | DB (A) | Transmit Signal Element Timing (DCE Source) |
|
| X |
16 | BB (B) | Received Data |
|
| X |
17 | DD (A) | Receive Signal Element Timing (DCE Source) |
|
| X |
18 | LL | Local Loopback | X |
|
|
|
|
|
|
|
|
19 | CA (B) | Request to Send | X |
|
|
|
|
|
|
|
|
20 | CD (A) | Data Terminal Ready | X |
|
|
|
|
|
|
|
|
21 | RL | Remote Loopback | X |
|
|
|
|
|
|
|
|
22 | CC (B) | Data Set Ready |
|
| X |
|
|
|
|
|
|
23 | CD (B) | Data Terminal Ready | X |
|
|
24 | DA (A) | Transmit Signal Element Timing (DTE Source) | X |
|
|
25 |
|
|
|
| |
Figure C-8 RS530 / RS422 Link Pinouts
The connecting cable must be a shielded cable.
Circuits which are paired (contain an (A) and (B) reference) should be connected to twisted pairs within the connecting cable.
84