Rs-232C Interface - Panasonic AJ-D950 Operating Instructions Manual

RS-232C interface

1. Introduction
(1) The VTR can be operated by commands when the RS-232C interface is used.
(See command table on page 79 – 81.)
(2) Conditions for acknowledging commands from RS-232C interface
The front panel REMOTE/LOCAL switch must be at REMOTE.
The setup menu item 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" .
2. Hardware specifications
External interface specifications
1) Connector specifications
Connector: D-SUB 25-pin (crossover cable supported)
Pin No. Signal
1
FG
2 RXD
TXD
3
4 CTS
5 RTS
6 DTR
7 SG
20 DSR
2) Example of connection with controller (PC)
Using crossover cable with D-SUB 25-pin
connectors
PC side
(D-SUB 25-pin
connector)
FG 1
TXD 2
RXD 3
RTS 4
CTS 5
DSR 6
SG 7
DTR 20
Circuit name
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
VTR side
1 FG
2 RXD
3 TXD
4 CTS
5 RTS
DTR
6
7 SG
20 DSR
- 7 6 -
Description
Using crossover cable with D-SUB O-pin and
25-pin connectors
PC side
(D-SUB 9-pin
connector)
RXD 2
TXD 3
DTR 4
SG 5
DSR 6
RTS 7
CTS 8
VTR side
1 FG
2 RXD
3 TXD
4 CTS
5 RTS
6 DTR
7 SG
20 DSR