5
4-5
RS-232C interface operation
Flow control by control line
RTS signal
Sequence
Enabled
Disabled
Enabled
It becomes OFF when buffer
memoy is ecxeeded
Disabled
Always ON
Always ON
When CTS is ON,
transmission is ready
T
ra
n
sm
is
si
o
n
R
e
ce
p
ti
o
n
When the buffer becomes full,
the subsequent data is
discarded
4-6
How to use
（
1
）
Set the GP-IB address with bits 1 to 5 of the ADR switch(SW3).
（
2
）
Set the protocol of RS-232C with bits 1 to 7 of the MODE switch(SW2) and the
baud rate switch(S4).
（
3
）
For the connection of the cable, refer to “5. Connection of RS-232C cable”.
（
4
）
Turn on the power to the RS-232C device, ZS-6144AF, GP-IB controller in this
order.
（
5
）
The configuration of the equipment should be as below.
GP-IB
コントローラ
ZS-6144AF
RS-232C機器
RS-232C
GP-IB
5.
Connection of RS-232C cable
Please use Dsub-9pin for the cable of ZS-6144AF.
KR-ECLK, KR-LK or equivalent.
When communicating with only TXD, RXD, please wire as follows. However, the
baud rate is up to 57,600 bps.
CD(1)
RXD(2)
TXD(3)
DTR(4)
GND(5)
DSR(6)
RTS(7)
CTS(8)
RI(9)
ZS-6144AF
未使用
未使用
未使用
内部接続
ショートしてください
RXD
TXD
GND
接続機器
GP-IB
controller
RS-232C device
Unused
Unused
Unused
Internal connecting
Connected device
short
