XLi Time & Frequency System 169
XLi-man, Issue 8, 6/17/2008, Rev. H
2
5
1
SSSSSSSSSSSS SSSSSSSSSS SSSSSSS S SSS S SSSSS S
Optional Programmable Pulse
Alarm Relay (87-8034-2)
Configuring the Expansion Module
Each of the Expansion Module’s outputs can be independently configured to generate a signal type. This
is done using jumpers and switches located on the module. Symmetricom configures the output signals
at the factory per the customer sales order.
To change the configuration, identify the jumper at JP2 that corresponds to the output you are
configuring. For example, jumper J4 AM corresponds to the J4 output.
To generate time code AM, move the plug in JP2 to the AM jumper. For example, to generate time code
AM on the J4 output, move the plug from J4 DC to J4 AM. At this point the configuration procedure
would be complete. Note the format of the time code is the same as selected for the standard XLi time
code output (See Function F90).
On time edge: Rising
Amplitude: TTL Levels into 50 Ω
Connection: Terminal strip, COM, NO, NC
Max Voltage: 48 VAC/VDC
Max Current: 2 A @ 24 VDC
J4
J3
J2
J1
JP2
S4
S3
S2
S1
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