Specifications; Configuration - Symmetricom XLi User Manual

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This option card operates without software configuration by the user.

Specifications

1
Framed All 1's DS1/T1 1544-kbps Outputs (T1 Outputs A and B):
Formats
Line code
Interface
Wave Shaping
Major and Minor Alarm Relay Closures:
Format
Interface
Contacts
64 Kb/s Composite Clock Output (Aux Out 1):
Format
Interface
Outputs (Aux Out 2,3,4):
Frequency
Interface
Synchronization:
Synchronization
CPU-Aware
CE Compliant

Configuration

Prior installing the T1 card, configure the output settings as needed using S1, and JP4 through JP7 (See
Figure 12:). The factory settings are indicated in
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SuperFrame (D4)
B8ZS/AMI (these are the same for all 1's)
Balanced, Z0=100 Ω, on wire wrap pins
T1 short loop (DSX-1; 0 – 655 feet)
Form-C Normally Open and Normally Closed contacts
Wire wrap pins
Rated to 115 VAC/150 VDC at 2 A
As per ITU-T G.703 Centralized Clock Interface. AMI with 5/8
duty cycle. All 1's with Bipolar Violations at an 8 Kb/s rate.
Balanced, 2 V peak into 135 Ω, on wire wrap pins.
1544 Kb/s
Balanced, RS-422 levels into 100 Ω, on wire wrap pins
Phase locked to the clock's internal 10 MHz
No
No
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Figure 12: and in the subsequent configuration tables.
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XLi Time & Frequency System
XLi-man, Issue 8, 6/17/2008, Rev. H
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