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Table F-1. General Specifications (Continued)
Characteristics
Communications Ports
Management Interface
Ports
Signal Type
GPS
Sync Status Messaging (SSM)
Selection Mode
Resolution
Sampling Rate
MTIE and TDEV
Type (Holdover)
Control
Port
Signal Type
12713020-002-2 Revision D – April 2004
Three EIA-232 Serial Ports:
Serial PORT-A (J4)
Serial PORT-B (J5)
Comms Module Serial Port
One Ethernet Port
Ethernet port (10 Base T)
Communication Management
Simple fault, visual and contact closures
ICS
TL1
SNMP
Input Section
Maximum of 27; 1 or 3 ports per Input module
Reference or monitoring capability
DS1, E1, 2048 kHz (G.703 Sec.13), 1.544 MHz, 2.048 MHz, 1, 5,
and 10 MHz Clocks (user-settable)
Integrated (single or dual)
Fully supported
Priority and PQL (user settable)
Performance Measurement
1 ns
40 Hz
Exceeds latest ANSI, ITU-T and Telcordia Technologies
standards
Clock
Stratum 2E Rubidium
Stratum 3E Quartz
DDS (Direct Digital Synthesis) technology
Integrated CPU
Output Section
20 Ports per module for DS/E1, 2048 kHz, and Composite clock
DS1
E1
2.048 MHz (G703 Sec.13)
Composite Clock (CC)
SSU-2000 Shelf Specifications
Specification
SSU-2000 User's Guide 437
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Troubleshooting
