JVC SR-9240EK appendix Optional SA-K97U RS-232C Interface Board, SA-K97U Specifications

10. OPTIONAL SA-K97U RS-232C INTERFACE BOARD

10-2. SA-K97U Specifications

9-pin connector specifications

	Pin NO.	Signals			Operations	Direction of signals
	2	RXD			Receive data	VTR p CPU
	3	TXD			Transmit data	VTR [ CPU	6
	4	DTR			Data terminal ready	VTR [ CPU	9
	5	GND			Signal ground
	6	DSR			Data set ready	VTR p CPU
						Output level
						ON : +5 V or more
Data format						OFF: –5 V or less
5	Mode		: Non-synchronized
5	Character length		:	8 bits
5	Data rate		: 1200, 2400, 4800, 9600 bps
				(switched with function menu switch, set to 9600 bps before shipment)
5	Parity check		: No
5	Stop bit		:	1 bit

1

2

3

4

5

10-3. SA-K97U RS-232C Protocol & Commands

RS-232C protocol

JVC table-1

Functions in the shaded section

are effective only when JVC table-1 is set to ON.

0

1

2

3

4

5

6

7

8

9

A

B

C

D

E

F

0

Data “0”

ENTER

TIMER

ON SCREEN

VISS

FRAME CODE

ON

ON

FWD

(COUNT)

1

COMPLE-

Data “1”

CLEAR

TIMER

ON SCREEN

VISS

REC

DEVICE

AL . PL

TION

ERROR

OFF

OFF

REV

CHECK

TYPE

RESET

2

ERROR

Data “2”

PRG/CLK

ROM VER

HOUR METER

COUNT

SENSE

RESET

3

CASSETTE

Data “3”

SHFT+

EJECT

SEARCH

OUT

(VISS)

4

Data “4”

SHFT–

ON SCREEN

SELECT

5

NOT

Data “5”

SET+

PL .AL COUNT

TARGET

SENSE

6

ALARM

Data “6”

CLEAR

SET–

TL STATUS

TL STATUS

JVC

INPUT

SET

SENSE

TABLE1 ON

7

Data “7”

CANCEL

STATUS

JVC

SENSE

TABLE1 OFF

8

Data “8”

9

Data “9”

OPE LOCK

ON

A

ACK

PLAY

REV

OPE LOCK

REC

REC

PLAY

OFF

REQUEST

B

NAK

OPERATE ON

FF

REC

VTR INQ

PAUSE

C

OPERATE OFF

REW

D

MODE

F-FIELD

SHIFT

STEP

E

MODE

DATE SET

DATE S

F

STOP

STILL

TIME SET

TIME S

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