Cisco ONS 15454 EC1-12 Reference Manual page 13

Chapter 3 Electrical Cards
3.5.5 DS3-12 and DS3N-12 Port-Level Indicators
You can find the status of the 12 DS3-12 and 12 DS3N-12 card ports using the LCD screen on the
ONS 15454 fan-tray assembly. Use the LCD to view the status of any port or card slot; the screen
displays the number and severity of alarms for a given port or slot.
3.5.6 DS3-12 and DS3N-12 Card Specifications
Note The I-Temp symbol is displayed on the faceplate of an I-Temp compliant card. A card without this
symbol is C-Temp compliant.
DS3-12 and DS3N-12 card specifications are listed below:
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October 2003
Input:
– Bit rate: 44.736 Mbps +/– 20 ppm
– Frame format: DS-3 ANSI T1.107-1988
– Line code: B3ZS
– Termination: Unbalanced coaxial cable
– Input impedance: 75 ohms +/–5%
– Cable loss: Max 450 ft 734A, RG-59, 728A/Max 79 ft RG-179
AIS: TR-TSY-000191-compliant
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Output:
Bit rate: 44.736 Mbps +/– 20 ppm
–
Frame format: DS-3 ANSI T1.107-1988
–
Line code: B3ZS
–
Termination: Unbalanced coaxial cable
–
Input impedance: 75 ohms +/–5%
–
– Cable loss: Max 450 ft 734A, RG-59, 728A/Max 79 ft RG-179
– AIS: TR-TSY-000191-compliant
– Power level: –1.8 to +5.7 dBm
– Pulse shape: ANSI T1.102-1988 Figure 8
– Pulse amplitude: 0.36 to 0.85 V peak-to-peak
Loopback modes: Terminal and facility
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Line build out: 0 to 225 ft; 226 to 450 ft
–
Electrical interface: BNC or SMB connectors
Surge protection: GR-1089
Operating temperature:
C-Temp (15454-DS3-12 and 15454-DS3N-12): 0 to +55 degrees Celsius
–
I-Temp (15454-DS3-12-T and 15454-DS3N-12-T): –40 to +65 degrees Celsius
–
Cisco ONS 15454 Reference Manual, R4.1.x and 4.5
DS3-12 and DS3N-12 Cards
3-13