Datasheet

A-23
Cisco ONS 15454 SDH Reference Manual, R7.0
October 2008
Appendix A Hardware Specifications
A.5.12 E1-75/120 Impedance Conversion Panel Specifications
– Pulse amplitude: conforms to ITU-T Recommendation G.703 (1991), Section 6.2, Figure 15 and
Table 7
• FMEC E1-120PROB electrical interface
– Connectors: Molex 96-pin LFH connectors (21 ports per connector)
• Environmental
– Operating temperature: –5 to +45 degrees Celsius (+23 to +113 degrees Fahrenheit)
– Operating humidity: 5 to 95 percent, noncondensing
– Power consumption: 0.1 W (provided by the E1-42 card), 0.34 BTU/hr
• Dimensions
– Height: 182 mm (7.165 in.)
– Width: 32 mm (1.25 in.)
– Depth: 92 mm (3.62 in.)
– Depth with backplane connector: 98 mm (3.87 in.)
– Weight (not including clam shell): 0.3 kg (0.7 lb)
A.5.12 E1-75/120 Impedance Conversion Panel Specifications
The FMEC E1-75/120 impedance conversion panel has the following specifications:
• E1-75/120 input
– Bit rate: 2.048 Mbps +/–50 ppm
– Line code: HDB-3
• E1-75/120 output
– Bit rate: 2.048 Mbps +/–50 ppm
– Line code: HDB-3
• E1-75/120 electrical interface
– Connectors:
1.0/2.3 miniature coax connectors on 75-ohm side
Molex 96-pin LFH connectors on 120-ohm side
– Impedance tolerance: +/–5 percent
• Environmental
– Operating temperature: –5 to +45 degrees Celsius (+23 to +113 degrees Fahrenheit)
– Operating humidity: 5 to 95 percent, noncondensing
– Power consumption: Not applicable; the E1-75/120 is a passive device.
• Dimensions
– Height: 75 mm (2.95 in.)
– Width: 535 mm (21.06 in.)
– Depth: 221 mm (8.7 in.)
– Weight (not including clam shell): 2.15 kg (4.74 lb)