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Chapter 9 Specifications
General Specifications
Table 9-1. General Specifications (Continued)
Characteristics
Port
Signal Type
Main Shelf
SDU-2000 Expansion
MINOR
MAJOR
CRITICAL
Power Connections
DC
DC Power (maximum)
Fuse Type/Rating
Grounds
Width
Depth
Height
Weight (provisioned)
368 SSU-2000 Technical Reference
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), GR.378
Japanese Composite Clock, ITU-T G.703
RS-422
Japanese Sine Wave
DS1 Line Re-Timing
E1 Line Re-Timing
Distribution Capacity
Up to nine DS1/E1 output modules in Main Shelf
20 outputs per output module
Up to four Expansion Shelves
Up to 14 output modules per expansion shelf with 20 outputs
per module
Maximum of 1120 outputs in four Expansion Shelves
Alarm Closures
Contact closure (NC or NO) 1 Amp Form C
Contact closure (NC or NO) 1 Amp Form C
Contact closure (NC or NO) 1 Amp Form C
Chassis Power and Grounds
A & B Input connections at opposite upper sides of the rear panel
–38 to –72.5 VDC (–48 VDC nominal)
< 240 watts, per chassis
2 fuses; GMT-5A
–48 VDC return, isolated from frame and logic grounds
Chassis Mechanical
17 inches (43.2 cm)
11.5 inches (29.2 cm)
10.5 inches (26.7 cm)
~ 27 lbs (12.3 kg)
Specification
12713020-003-2 Revision F.01 – January 2007
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