Cisco Systems 15454 SDH A.5 Electrical Card and FMEC Specifications

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Cisco ONS 15454 SDH Reference Manual, R5.0
April 2008
AppendixA Hardware Specifications
A.5 Electrical Card and FMEC Spe cifications
– Width: 18.2 mm (0.716 in.)
– Depth: 228.6 mm (9.000 in.)
– Card weight: 1.8 lb (0.82 kg)
A.5 Electrical Card and FMEC Specifications
This section provides specifications for the electrical and FMEC cards.
For compliance information, refer to the Cisco Optical Transport Products Safety and Compliance
Information document.
A.5.1 E1-N-14 Card Specifications
The E1-N-14 card has the following specifications:
•E1-N-14 input
– Bit rate: 2.048 Mbps +/–50 ppm
– Frame format: Unframed, ITU-T G.704 framed
– Line code: HDB-3
– Termination: Via FMEC-E1 (for 75 ohms unbalanced) or FMEC-DS1/E1 (for 120 ohms
balanced)
– Input impedance: 75 ohms unbalanced or 120 ohms balanced
– 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-N-14 output
– Bit rate: 2.048 Mbps +/–50 ppm
– Frame format: Unframed, ITU-T G.704 framed
– Line code: HDB-3
– Termination: Via FMEC-E1 (for 75 ohms unbalanced) or FMEC-DS1/E1 (for 120 ohms
balanced)
– Output impedance: 75 ohms unbalanced or 120 ohms balanced
– Alarm indication signal (AIS): ITU-T G.704 compliant
– Pulse shape: ITU-T G.703, Figure 15
– Pulse amplitude: 2.37 V +/– 5% zero-peak at 75 ohms; 3 V +/–5% zero-peak at 120 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%, noncondensing
– Power consumption: 24.00 W, 0.50 A at –48 V, 81.9 BTU/hr