Panasonic AJSD955A AJSD930 User Guide - Page 69
RS-232C INTERFACE, Hardware specifications
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RS-232C interface The VTR can be operated by commands when the RS-232C interface is used. (See command table on pages 72, 73.) $ Conditions for acknowledging commands from RS-232C interface O The front panel CONTROL switch must be at REMOTE. O The setup menu No. 204 "RS232C SEL" must be ON. If the above conditions are not met, [ACK] + [STX] ER001 [EXT] is returned to the external unit. Whether the [ACK] code is returned depends on the setting which has been selected for setup menu item No. 209 "RETURN ACK". Hardware specifications External interface specifications O Connector specifications Connector: D-SUB 25-pin (crossover cable supported) Pin No. 1 2 3 4 5 6 7 20 Signal Description FG RXD TXD CTS RTS DTR SG DSR Protective ground (Frame ground) Received data (Data is sent to PC.) Transmitted data (Data is received from PC.) Clear to send (Shorted with pin 5.) Request to send (Shorted with pin 4.) Data terminal ready (No processing) Signal ground (Signal ground) Data set ready (+ voltage output after communication enable status) O Example of connection with controller (PC) Using crossover cable with D-SUB 25-pin connectors PC side (D-SUB 25-pin connector) VTR side FG 1 TXD 2 RXD 3 RTS 4 CTS 5 DSR 6 SG 7 DTR 20 1 FG 2 RXD 3 TXD 4 CTS 5 RTS 6 DTR 7 SG 20 DSR Using crossover cable with D-SUB 9-pin and 25-pin connectors PC side (D-SUB 9-pin connector) VTR side RXD 2 TXD 3 DTR 4 SG 5 DSR 6 RTS 7 CTS 8 1 FG 2 RXD 3 TXD 4 CTS 5 RTS 6 DTR 7 SG 20 DSR 69