PA-1031 Rev. A / March 2011
1
S46L Microwave Switch System
Relay Installation Guide
Keithley Instruments, Inc.
28775 Aurora Road
Cleveland, Ohio 44139
1-888-KEITHLEY
(440) 248-0400
www.keithley.com
Introduction
This guide contains relay installation and system configuration information for the S46L Microwave Switch
System that is necessary after installing new relays. To install a relay, refer to
Relay kits
for a description of
the kits and then follow the applicable installation instructions.
WARNING
The information in this section is only intended for qualified service
personnel. Do not attempt to replace parts or otherwise service the
equipment unless you are qualified to do so.
Relay kits
Table 1
summarizes available relay kits and part numbers.
WARNING
Use only the parts specified in
Table 1
when servicing the equipment.
Use of improper parts may expose the operator to hazardous voltages
that could result in personal injury or death.
Installation
Before installing the relays, remove the screws that secure the S46L top cover, and then remove the cover.
Table 1: S46L relay kits
Relay kit
model number
Description
Relay
location
Kit parts summary
(quantity)
Keithley
part number
Installation
reference
S46L-SPDT-KIT-L
20 GHz SPDT 1 to 4
SPDT terminated relay
(1)
RL-360
SPDT relay 1
through 4
installation on
page 2
Connecting cable (1)
S46-350
S46L-SP6T-KIT-T
18 GHz SP6T A to D
4-40 ×1/4 PPHSEM
screws (2)
4-40X1/4PPHSEM
Relays A
through D
installation on
page 4
4-40 ×3/8 PFH screws
(4)
4-40x3/8PFH
SP6T terminated relay
(1)
RL-259
Ribbon cable (1)
CA-566B
