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Table 9-1. 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
12713020-003-2 Revision F.01 – January 2007
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), Composite Clock (GR.378),
Japanese Composite Clock JCC (ITU-T G.703), 1.544/6.312
MHz (G.703)
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 (2 weeks)
Stratum 3E Quartz
TYPE I Quartz
DDS (Direct Digital Synthesis) technology
Integrated CPU
Chapter 9 Specifications
General Specifications
Specification
SSU-2000 Technical Reference 367
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