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98640A Analog Input Interface
NOTE
Additional wire termination assemblies may be ordered.
By using several assemblies you can readily switch be-
tween several predetermined wiring arrangements. The
assembly's part number is 98640-66502. Contact your
HP representative or Hewlett-Packard's Corporate Parts
Center (CPC) to place an order.
Also on the wire termination assembly are 9 termination receptacles tied to chassis ground and one
receptacle tied to a low current (less than Sarna) +5 volt source, for use with the external control in-
puts. THIS +5 VOLT SOURCE IS NOT INTENDED FOR USE AS A POWER SUPPLY. The ter-
mination receptacles are listed in Section II.
STANDARD PRODUCT
When the HP 98640A was ordered one of three options had to be specified. The option specified
determines what equipment you received. When you unpack the cards you may want to refer to the
following lists:
Options
Standard Product
• A-to-D card, part number 98640-66501
• Wire termination assembly (WTA), part number 98640-66502
• Test assembly, part number 98640-67950
• This installation manual, part number 98640-90001
• Verification option (only one may be selected)
VERIFICA TION OPTIONS
001 - Deletes test assembly
630 - Adds verification software on 3.5 inch disk, part number 98640-13301
655 - Adds verification software on 5.25 inch disk, part number 98640-13601
IDENTIFICA TION
Five digits and a letter (98640A) identify the Analog Input Interface. As with most Hewlett-Packard
products used with 9000 computers these five digits identify the product. The letter suffix represents
the revision level of the product.
The main printed circuit assembly or PCA (printed circuit board with all components in place) is
identified by a part number (also called a card assembly number) followed by a date code. On the
1-2
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