Cisco ONS 15454 DWDM - A.1.11 System Power; Table A-1 Fan Tray Assembly Power Requirements

A-4
Cisco ONS 15454 DWDM Reference Manual, R8.5
78-18343-02
Appendix A Hardware Specifications
A.1.11 System Power
• Free running accuracy: +/– 4.6 ppm
• Holdover stability: 3.7 x 10
–7
per day, including temperature (< 255 slips in first 24 hours)
• Reference: External BITS, line, internal
The ONS 15454 ETSI has the following system timing specifications:
• Stratum 3E, per ITU-T G.813
• Free running accuracy: +/– 4.6 ppm
• Holdover stability: 3.7 exp –7 per day, including temperature (< 255 slips in first 24 hours)
• Reference: External BITS, line, internal
A.1.11 System Power
The ONS 15454 ANSI has the following power specifications:
• Nominal Input Voltage: –48 VDC
• Power consumption: Configuration dependent; 55 W (fan tray only)
• Power requirements:
– Nominal: –48 VDC
– Input Voltage Range: –40.5 to –57.0 VDC
• Power terminals: #6 Lug
• ANSI shelf fusing: 100–A fuse panel (minimum 30 A fuse per shelf)
HD shelf fusing: 100–A fuse panel (minimum 30 A fuse per shelf)
The ONS 15454 ETSI has the following power specifications:
• Nominal Input Voltage: –48 VDC
• Power consumption: Configuration dependent; 53 W (fan tray only)
• Power requirements:
– Nominal: –48 VDC
– Input Voltage Range: –40.5 to –57.0 VDC
• Power terminals: 3WK3 Combo-D power cable connector (MIC-A/P and MIC-C/T/P faceplates)
• Fusing: 100 A fuse panel; minimum 30 A fuse per shelf
A.1.12 Fan Tray
Table A-1 lists power requirements for the fan-tray assembly.
Table A-1 Fan Tray Assembly Power Requirements
Fan Tray Assembly Watts Amps BTU/Hr
FTA2
53 1.21 198
FTA3 -T
86.4 1.8 295
15454E-CC-FTA/15454-CC-FTA
115 2.4 393