![](/images/new-backgrounds/1300625/300625145x1.webp)
Cabling the Vanguard 342
DB25 V.35/V.36 Pinouts
Connector Pinout This table shows the DB25 V.35/V.36 connector pinouts for DCE/DTE mode. To use DTE to DTE or DCE to DCE mode, a crossover adapter cable is required. Refer to Figure
Port 3 | DCE Signal | Function/Signal | Port 3 | DTE Signal | Function/Signal Name |
Pin |
| Name | Pin | using |
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| Crossover |
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| Adapter Cable |
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1 | PROTECTIVE | 1 | PROTECTIVE GROUND | ||
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| GROUND |
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2 | TRANSMITTED | 2 | TRANSMITTED | ||
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3 | RECEIVED | 3 | RECEIVED | ||
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4 | REQUEST TO SEND | 4 | REQUEST TO SEND | ||
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5 | CLEAR TO SEND | 5 | CLEAR TO SEND | ||
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6 | DATA SET READY | 6 | DATA SET READY | ||
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7 | SIGNAL GROUND | 7 | SIGNAL GROUND | ||
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8 | DATA CARRIER | 8 | DATA CARRIER DETECT | ||
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| DETECT |
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14 | TRANSMITTED | 14 | TRANSMITTED | ||
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15 | TRANSMITTED | 15 | (no signal) | TRANSMITTED | |
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16 | RECEIVED | 16 | RECEIVED | ||
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17 | RECEIVE | 17 | RECEIVE | ||
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18 | RECEIVE | 18 | RECEIVE | ||
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20 | DATA TERMINAL | 20 | DATA TERMINAL | ||
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| READY |
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| READY |
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21 | TRANSMITTED | 21 | (no signal) | TRANSMITTED | |
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22 | EXTERNAL | 22 | EXTERNAL TRANSMIT | ||
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| TRANSMIT |
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24 | EXTERNAL | 24 | EXTERNAL TRANSMIT | ||
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| TRANSMIT |
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25 | (no connection) | 25 | (no connection) | ||
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Note
To use DTE mode, the Interface Options parameter must be set to XOVER. For details on setting the V.35/V.36 Interface Options, see “Setting the Interface Options” section on page
Installation and Replacement |