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