Rs-232c interface, Hardware specifications, External interface specifications – Panasonic AJ-HD1700PE User Manual

Page 122

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122

The VTR can be operated by commands when the
RS-232C interface is used. (Refer to the command
tables on page 125 and 126.)

Condition for acknowledging
commands from RS-232C interface

Setup menu item No.204 (RS232C SEL): ON
If

the

above

condition

is

not

met,

[ACK]+[STX]ER001[EXT] is returned to the external
component. Whether [ACK] is returned depends on
the setting which has been selected for setup menu
item No.209 (RETURN ACK).

Hardware specifications

External interface specifications

RS-232C interface

• Connector pin specifications

Connector: D-SUB 25-pin
(crossover cable supported)

Pin No.

Signal

Description

1

FG

Protective ground (frame ground)

2

RXD

Received data (data is sent to PC)

3

TXD

Transmitted data (data is received
from PC)

4

CTS

Clear to send (shorted with pin 5)

5

RTS

Request to send (shorted with pin 4)

6

DTR

Data terminal ready (no processing)

7

SG

Signal ground

20

DSR

Data set ready (+ voltage output after
communication enable status)

• 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
TXD
RXD
RTS
CTS
DSR
SG
DTR

1
2
3
4
5
6
7

20

FG
RXD
TXD
CTS
RTS
DTR
SG
DSR

1
2
3
4
5
6
7

20

(Using crossover cable with D-SUB 9-pin and D-
SUB 25-pin connectors)

PC side

(D-SUB 9-pin connector)

VTR side

RXD
TXD
DTR
SG
DSR
RTS
CTS

2
3
4
5
6
7
8

FG
RXD
TXD
CTS
RTS
DTR
SG
DSR

1
2
3
4
5
6
7

20

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