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CE Information for the
COM-422/DUAL-422

Note: Products that contain the CE mark are certified to meet European
EMC directive 89/336 EEC. If this directive is not of importance to your
application, please disregard the information in this document.


Keithley MetraByte certifies that this product has been tested and found to
be in compliance with the EMC directive and relevant harmonized
standards.

This document describes the limitation of certification, the declaration of
conformity, and the cabling instructions required for the CE
configuration.


Limitation of Certification

This certification applies only to the operation of the product (with
specified cables and accessories) in the stated configuration and under the
stated operational and environmental specifications. Any modification,
misuse, or improper or inadequate maintenance of the product by the user
voids this certification.

Any deviation from the specific configuration may cause emissions or
susceptibility not within the allowed limits required by the stated
directive. It is the user's responsibility to demonstrate and maintain
compliance with the directive and standards.

Please read the next section, "Declaration of Conformity," for the specific
testing configuration for this product. Consult the Keithley Instruments
GMBH office (European importer) or Technical Support in Taunton, MA,
USA, for further information regarding the exact configuration details and
testing.


Part Number: 24648; Revision B 1
Declaration of Conformity

Application of Council Directive(s) 89/336/EEC
Standard(s) to which Conformity is EN50081-1, EN50082-1
Declared
Manufacturer's Name Keithley MetraByte
Importer's Name Keithley Instruments GMBH
Importer's Address Landsberger Str.65 D-82110 Germering, Munich
Type of Equipment Data Acquisition Plug-in Boards
Model Numbers COM-422 or DUAL-422 with S232-6 or S422-6
Year of Manufacture 1995


I, the undersigned, hereby declare that the equipment specified above conforms
to the above Directive(s) and Standard(s).
Place: Taunton, MA USA
___________________________________
(Signature)

Date: 01 March 1996 Mark Urban
(Name)

Quality Assurance Manager
(Position)




2 March 1996
Cabling Instructions for the CE Configuration

For RS-232 communication, connect the S232-6 cable to the 25-pin, D
connector on the COM-422 board, as shown in Figure 1.




COM-422 board
6 feet
To Serial Device
S232-6
cable
25-pin, D
connector


Figure 1. Connecting to the RS-232 Port of a COM-422 Board

For RS-422 communication, connect the S422-6 cable to the 9-pin, D
connector on the COM-422 or DUAL-422 board, as shown in Figure 2.
Note that both connectors on the DUAL-422 board are 9-pin, D
connectors and are provided for RS-422 communication. Refer to the
board's user's guide for more information.


9-pin, D
connector
6 feet
To Serial Device
COM-422 or
S422-6
DUAL-422 board
cable




Figure 2. Connecting to the RS-422 Port of a COM-422 or DUAL-422 Board




Part Number: 24648; Revision B 3