Olympus AU2700 User Manual download pdf (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)

-------------------------------------------------------------------------------------------------------------------

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

------------------------------------------------------------------------------------

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.

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Olympus AU2700 User Manual Page 43