Datasheet

A-25
Cisco ONS 15454 SDH Reference Manual, R7.0
October 2008
Appendix A Hardware Specifications
A.5.14 FMEC STM1E 1:1 Specifications
– 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.5.14 FMEC STM1E 1:1 Specifications
The FMEC STM1E 1:1 has the following specifications:
• FMEC STM1E 1:1 input
– Bit rate: 155.52 Mbps +/–20 ppm
– Line code: CMI
– Termination: Unbalanced coaxial cable
– Input impedance: 75 ohms +/–5 percent
– Cable loss: Up to 12.7 dB at 78 MHz
• FMEC STM1E 1:1 E4 input
– Bit rate: 139.264 Mbps +/–15 ppm
– Line code: CMI
– Termination: Unbalanced coaxial cable
– Input impedance: 75 ohms +/–5 percent
– Cable loss: Up to 12.7 dB at 78 MHz
• FMEC STM1E 1:1 output
– Bit rate: 155.52 Mbps +/–20 ppm
– Line code: CMI
– Termination: Unbalanced coaxial cable
– Output impedance: 75 ohms +/–5 percent
– 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
• FMEC STM1E E4 output
– Bit rate: 139.264 Mbps +/–20 ppm
– Line code: CMI
– Termination: Unbalanced coaxial cable
– Output impedance: 75 ohms +/–5 percent
– 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