Motorola 49901 Instruction Manual - Page 77

Cabling the Vanguard 340 and 340 Enhanced 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 3-5 on page 3-21 for crossover cable connections: Port 3 DCE Signal Pin Function/Signal Name Port 3 Pin DTE Signal using Crossover Adapter Cable Function/Signal Name 1 PROTECTIVE GROUND 1 PROTECTIVE GROUND 2 TRANSMITTED 2 TRANSMITTED DATA-A DATA-A 3 RECEIVED DATA-A 3 RECEIVED DATA-A 4 REQUEST TO SEND 4 REQUEST TO SEND 5 CLEAR TO SEND 5 CLEAR TO SEND 6 DATA SET READY 6 DATA SET READY 7 SIGNAL GROUND 7 SIGNAL GROUND 8 DATA CARRIER 8 DATA CARRIER DETECT DETECT 14 TRANSMITTED 14 DATA-B TRANSMITTED DATA-B 15 TRANSMITTED 15 (no signal) CLOCK-A TRANSMITTED CLOCK-A 16 RECEIVED DATA-B 16 RECEIVED DATA-B 17 RECEIVE CLOCK-A 17 RECEIVE CLOCK-A 18 RECEIVE CLOCK-B 18 RECEIVE CLOCK-B 20 DATA TERMINAL 20 READY DATA TERMINAL READY 21 TRANSMITTED 21 (no signal) CLOCK-B TRANSMITTED CLOCK-B 22 EXTERNAL TRANSMIT CLOCK-B 22 EXTERNAL TRANSMIT CLOCK-B 24 EXTERNAL TRANSMIT CLOCK-A 24 EXTERNAL TRANSMIT CLOCK-A 25 no connection) 25 (no connection) 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 3-10. Installation and Replacement 3-19