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Symmetricom XLi User Manual

Symmetricom XLi
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XLi Time & Frequency System 171
XLi-man, Issue 8, 6/17/2008, Rev. H
2
5
1
SSSSSSSSSSSS SSSSSSSSSS SSSSSSS S SSS S SSSSS S
Multicode Output (87-6002-XL1)
The Multicode Output option card generates four AM time code outputs. Each of the outputs can be
independently configured to generate a specified time code signal. All outputs configured for IRIG-A will
output the same type of IRIG-A (e.g., IRIG-A 130). Likewise, all outputs configured for IRIG-G will output
the same type of IRIG-G. All the other time code types are completely independent from each other.
The Multicode Output card is configured from the front panel keypad and command line interface using
F42 – Multicode Output Configuration (page 69)
. It can also be managed using the web interface.
Specifications
Note: The IRIG time code standard calls for UTC as the time reference. The Multicode option card can
also output Standard, GPS, and Local time for non-standard applications of IRIG, such as dis-
playing the local time on an LED time display unit.
The factory settings are:
• Amplitude into 600 Ω: 6V
• Modulation Ratio: 3:1
• Time Code: IRIG-B 120
• Time Reference: UTC
Installation
Multicode cards that were not factory installed in the XLi require additional installation if there will be
more than one Multicode or N.8 Frequency Synthesizer card in the XLi. Each card needs to have a
unique card ID number. The card ID number is set by changing the SW2 DIP switch settings. The unique
card ID number has no relation to the physical location of the card in the option bays. Changing the card
ID number is not required if there is only one Multicode/N.8 Frequency Synthesizer card, or if the cards
in the XLi were factory installed.
Quantity 4
Connector Female BNC
Output impedance 25 Ω
Amplitude into 50 Ω 0-3 Vp-p, adjustable via internally-accessible potentiometer (3 Vp-p is the factory setting)
Amplitude into 600 Ω 0-10 Vp-p, adjustable via internally-accessible potentiometer
Modulation Ratio 2:1 through 5:1, adjustable via internally-accessible potentiometer (3:1 default)
Time Codes IRIG-A 130, IRIG-A 133, IRIG-B 120, IRIG-B 123, IRIG-E 111, IRIG-E 112, IRIG-E 121,
IRIG-E 122, IRIG-G 141, IRIG-G 142, IRIG-H 111, IRIG-H 112, IRIG-H 121, IRIG-H 122,
2137, XR3, NASA 36
(All codes in 24 hour format)
Time References Standard, UTC, GPS, or Local
Occupies 1 Bay
CPU-Aware No
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com

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Symmetricom XLi Specifications

General IconGeneral
BrandSymmetricom
ModelXLi
CategoryMeasuring Instruments
LanguageEnglish

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