Cisco Systems 15454 SDH A.5.5 STM1E-12 Card Specifications

A-16
Cisco ONS 15454 SDH Reference Manual, R5.0
April 2008
AppendixA Hardware Specifications
A.5.5 STM1E-12 Card Spec ifications
– Weight not including clam shell: 0.8 kg (1.9 lb)
A.5.5 STM1E-12 Card Specifications
The STM1E-12 card has the following specifications:
•STM1E-12 input
– Bit rate: 155.52 Mbps +/–5 ppm for STM-1
or 139.264 Mbps +/–15 ppm for E-4
– Line code: Coded mark inversion (CMI)
– E-4 (can be framed or unframed)
– Termination: Unbalanced coaxial cable
– Input impedance: 75 ohms +/–5%
– Cable loss: Up to 12.7 dB at 78 MHz (for cable length, see the specification of the cable that
you are using)
– AIS: ITU-T G.704 compliant
•STM1E-12 output
– Bit rate: 155.52 Mbps +/–5 ppm for STM-1
or 139.264 Mbps +/–15 ppm for E-4
– Line code: CMI
– E-4 can be framed or unframed
– Termination: Unbalanced coaxial cable
– Output impedance: 75 ohms +/–5%
– AIS: ITU-T G.704 compliant
– Pulse shape: ITU-T G.703, Figure 18 and 19 for E-4, Figure 22 and 23 for STM-1
– Pulse amplitude: 1 V +/– 0.1 V peak-to-peak
– Loopback modes: terminal and facility
•STM1E-12 electrical interface
– Connectors: 1.0/2.3 miniature coax connectors in the FMECSTM1E 1:1 card
•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: 59.40 W, 1.24 A at –48 V, 202.8 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: 0.7 kg (1.7 lb)