Appendix A - Cabling Diagrams
Trunk Cable
13 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 |
25 24 23 22 21 20 19 18 17 16 15 14
RS232C/V.24 * Link Cable
To
External
Synchronous
Modem/DSU
Connector
PIN NO. | PIN NO. |
1 | 1 |
2 | 2 |
3 | 3 |
4 | 4 |
5 | 5 |
7 | 7 |
8 | 8 |
15 | 15 |
17 | 17 |
20 | 20 |
25 | 25 |
CHASSIS GROUND (AA) TRANSMIT DATA (BA) RECEIVE DATA (BB) REQUEST TO SEND (CA) CLEAR TO SEND (CB) SIGNAL GROUND (AB) CARRIER DETECT (CF) TRANSMIT CLOCK (DB) RECEIVE CLOCK (DD)
DATA TERMINAL READY (CD)
To MultiRouter Link 1,2 or 3 RS232C/V.35 Connector
V.35 Adapter Cable Configured on a RS232C/V.35** Link Cable
V.35 34-PIN CONNECTOR
Chassis Ground | A | B | Signal Ground |
Request To Send | C | D | Clear To Send |
Data Set Ready | E | F | Data Carrier Detect |
Data Terminal Ready | H | J |
|
| K | L |
|
| M | N |
|
Send Data (A) | P | R | Receive Data (A) |
Send Data (B) | S | T | Receive Data (B) |
Terminal Timing (A) | U | V | Receive Timing (A) |
Terminal Timing (B) | W | X | Receive Timing (B) |
Send Timing (A) | Y | Z |
|
Send Timing (B) | AA | BB |
|
| CC | DD |
|
| EE | FF |
|
| HH | JJ |
|
| KK | LL |
|
| MM | NN |
|
| As viewed from the connector side |
| |
| V.35 |
|
| ||
CONNECTOR (MALE) | CONNECTOR (FEMALE) | ||||
|
|
|
|
|
|
| A |
|
| 1 | PROTECTIVE GROUND |
|
|
| |||
| B |
|
| 7 | SIGNAL GROUND |
|
|
| |||
| C |
|
| 4 | REQUEST TO SEND |
|
|
| |||
| D |
|
| 5 | CLEAR TO SEND |
|
|
| |||
| E |
|
| 6 | DATA SET READY |
|
|
| |||
| F |
|
| 8 | DATA CARRIER DETECT |
|
|
| |||
| H |
|
| 20 | DATA TERMINAL READY |
|
|
| |||
| P |
|
| 2 | TRANSMIT DATA A |
|
|
| |||
| R |
|
| 3 | RECEIVE DATA A |
|
|
| |||
| S |
|
| 12 | TRANSMIT DATA B |
|
|
| |||
| T |
|
| 22 | RECEIVE DATA B |
|
|
| |||
| U |
|
| 23 | EXTERNAL TX CLOCK A |
|
|
| |||
| V |
|
| 17 | RECEIVE CLOCK A |
|
|
| |||
| W |
|
| 25 | EXTERNAL TX CLOCK B |
|
|
| |||
| X |
|
| 18 | RECEIVE CLOCK B |
|
|
| |||
| Y |
|
| 15 | TRANSMIT CLOCK A |
|
|
| |||
| a |
|
| 21 | TRANSMIT CLOCK B |
|
|
| |||
|
|
|
|
|
|
*The MultiFRAD RS232C interface circuits have been designed to meet the electrical specificaitons given in EIA (Electronic Industries Association) RS232C and CCITT (Consultative Committee International Telegraph and Telephone) V.24 Standards.
**When configured for V.35 interface operation on the link, the V.35 adapter cable should be used. This cable uses a
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