Olympus AU2700 - Manual (Page 43)

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6. Specification of Connection
(6.1) In/Output signals and Terminals
PC Terminal Terminal
at AU2700/5400 at host
Signal Name Abbrv. Direction computer
(25 Pin Configuration)
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Ground
FG - 1
Data sent TxDATA 3 3 (Rx DATA)
Data receive RxDATA 2 2 (Tx DATA)
Signal Ground SG 5 7 (SG)
Request to send RTS 7
Clear to send CTS 8
Caution: RTS and CTS must be connected directly.
(6.2) Signal Level
Signal/Signal Format Signal Level
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SPACE (ON) +3V and higher ("H")
MARK (OFF) -3V and lower ("L")
Note: "H" stands for "HIGH LEVEL" and "L" for "LOW LEVEL".
(6.3) Applicable Connector
Style of connector : Confirm the standard of IBM PC (RS232 DB9 Male)
Provide a RS232 DB9 Female connector.
Style of connector Cover : ditto
(6.4) Others
A. When powering ON or OFF the host computer system, ensure that the AU2700/5400 is in
Standy mode. Powering ON or OFF the host computer system while the AU2700/5400 is being operated may
result in abnormality function of the AU2700/5400.
B. The cable for host communication is not included in the AU2700/5400 standard accessories.
A shielded cable must be used for host connection.
C. Do not use the terminals on the AU2700/5400 other than No. 2,3,5,7, or 8 for any purpose.