Datasheet

A-21
Cisco ONS 15454 SDH Reference Manual, R7.0
October 2008
Appendix A Hardware Specifications
A.5.9 FMEC E1-120NP Specifications
A.5.9 FMEC E1-120NP Specifications
The FMEC E1-120NP has the following specifications:
• FMEC E1-120NP input
– Bit rate: 2.048 Mbps +/–50 ppm
– Line code: HDB-3
– Termination: Balanced twisted-pair cable
– Input impedance: 120 ohms +/–5 percent
– Cable loss: Up to 6 dB at 1024 kHz
• FMEC E1-120NP output
– Bit rate: 2.048 Mbps +/–50 ppm
– Line code: HDB-3
– Termination: Balanced twisted-pair cable
– Input impedance: 120 ohms +/–5 percent
– Pulse shape: conforms to ITU-T Recommendation G.703 (1991), Section 6.2, Figure 15 and
Table 7
– Pulse amplitude: conforms to ITU-T Recommendation G.703 (1991), Section 6.2, Figure 15 and
Table 7
• FMEC E1-120NP 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: 0.00 W, 0.00 A at –48 V, 0.0 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.5.10 FMEC E1-120PROA Specifications
The FMEC E1-120PROA has the following specifications:
• FMEC E1-120PROA input
– Bit rate: 2.048 Mbps +/–50 ppm
– Line code: HDB-3
– Termination: Balanced twisted-pair cable
– Input impedance: 120 ohms +/–5 percent