Service manual

Appendix B
Backdating Information
Introduction
This chapter contains information for ordering replaceable parts for the
E1343A/44A/45A/47A/55A/56A Relay Multiplexers with specific serial
number ranges not covered in Chapter 3. The tables provide the following:
• Table B-1 lists assembly and terminal module part numbers for the
relay multiplexers.
• Table B-2 lists replaceable parts for the following relay multiplexers:
E1345A w/serial number 2934A00001 through 2934A07621
E1347A w/serial number 2934A00001 through 2934A03662
E1355A w/serial number 2934A00001 through 3035A00330
E1356A w/serial number 2934A00001 through 3035A00456
• Table B-3 lists replaceable parts for the following high-voltage
multiplexers:
E1343A w/serial number 2934A00001 through 3131A00851
E1344A w/serial number 2934A00001 through 3035A00511
• Table B-4 shows reference designators for parts in Tables B-2 and
B-3.
To order a part listed in Table B-2 or Table B-3, specify the Agilent part
number and the quantity required. Send the order to your nearest Agilent
Technologies Sales and Service Office
NOTE If your multiplexer has a higher serial number, see Chapter 3,
"Replaceable Parts," for replaceable parts ordering information.
Replaceable Parts List
See the Parts Locator diagram (Fig. B-1) or the Component Locator (in the
back of this manual) for locations of replaceable parts. See Table B-1 for
replacement part numbers for the Component Assemblies and Terminal
Modules. A relay multiplexer consists of a Component Assembly and a
Terminal Module.
A Terminal Module consists of a Terminal Card and a Terminal Case
Assembly. For example, to order an E1345A Terminal Module, use
Appendix B Backdating Information 71