Datasheet

A-15
Cisco ONS 15454 SDH Reference Manual, R7.0
October 2008
Appendix A Hardware Specifications
A.5.2 E1-42 Card Specifications
– Depth: 228.6 mm (9.000 in.)
– Depth with backplane connector: 235 mm (9.250 in.)
– Weight (not including clam shell): 0.8 kg (1.9 lb)
A.5.2 E1-42 Card Specifications
The E1-42 card has the following specifications:
• E1-42 input
– Bit rate: 2.048 Mbps +/–50 ppm
– Frame format: Unframed, ITU-T G.704 framed
– Line code: HDB-3
– Termination: Through FMEC E1-120NP, FMEC E1-120PROA, or FMEC E1-120PROB
– Input impedance: 120 ohms balanced (75 ohms unbalanced with additional E1-75/120)
– Cable loss: 0 to 6 dB at 1024 kHz (for cable length, see the specification of the cable that you
are using)
– AIS: ITU-T G.704 compliant
• E1-42 output
– Bit rate: 2.048 Mbps +/–50 ppm
– Frame format: Unframed, ITU-T G.704 framed
– Line code: HDB-3
– Termination: Through FMEC E1-120NP, FMEC E1-120PROA, or FMEC E1-120PROB
– Output impedance: 120 ohms balanced (75 ohms unbalanced with additional E1-75/120)
– AIS: ITU-T G.704 compliant
– Pulse shape: conforms to ITU-T Recommendation G.703 (1991), Section 6.2, Figure 15
– Pulse amplitude: 3 V +/– 5 percent zero-peak at 120 ohms; 2.37 V +/–5 percent zero-peak at
75 ohms
– Loopback modes: Terminal and facility
• Environmental
– Overvoltage protection: As in ITU-T G.703 Annex B
– Operating temperature: –5 to +45 degrees Celsius (+23 to +113 degrees Fahrenheit)
– Operating humidity: 5 to 95 percent, noncondensing
– Power consumption: 38.10 W, 0.79 A at –48 V, 130.1 BTU/hr
• Dimensions
– Height: 321.3 mm (12.650 in.)
– Width: 18.2 mm (0.716 in.)
– Depth: 228.6 mm (9.000 in.)
– Depth with backplane connector: 235 mm (9.250 in.)
– Weight (not including clam shell): 0.8 kg (1.9 lb)