Sharp er-3100 - RS-232 C Interface Installation and Configuration; RS-232 C Interface Overview

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6. RS-232C INTERFACE (ER-31RS2)
Outline
EIA (ElectronicsIndustriesAssociation)standard RS-232C is
associatedwith the transfer of binary serial data, control
signals, and timing signals between
The RS-232C interface is one of the
the exchange of informationbetween
device.
modems and data terminals.
devices generallyused for
a computer and a peripheral
This interface (ER-31RS2)was designed to conform to the EIA
standard,but in particular it was designed for connection
between the ER-31OO and a data processingmachine.
It becomes necessary to set communicationspecificationsof the
ER-31RS2 (e.g. baud rate) matched to those of the data processing
machine, when the ER-31RS2 is connectedwith a data processing
machine that is equippedwith the RS-232C2 interface.
The jumper-switch (Jl
- J8) on the ER-31Rs interface circuit
board must be used to choose the specifications.
Refer to “RS-232C Specificationbook” publishedby Engineering
Department,
ElectronicsIndustriesAssociation (EIA), for details
of RS-232C requirements.
Com~onents
The ER-31Rs2 consists of the followingcomponents.
1) Interface board unit (CPWBE6951RC06)
2) Control ROM (VH127256R223A)
Note: The version of the control ROM is indicatedby the last
character of its part code.
(This control ROM is version A.)
3) Connecting cable (QCNW-7059RCZZ)
4) Others
A) Ferrite core (RCORF6629RCZZ)
2 pcs.
B) Connector spacer for mini pitch (PSPAB2343RCZZ)2 pcs.
Connector spacer for inch pitch (PSPAB2333RCZZ) 2 pcs.
C) Screw (XUPSD30P08000)
2 pcs.
(XBPSD30P06KSO)
2 pcs.
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