Cisco ONS 15454 - Page 503

The ONS 15454 M2 for ETSI has the following system timing specifications:
• Stratum 3, 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
System Power
The ONS 15454 M2 has these AC power specifications:
• Input Voltage: 100V - 240V AC (+/- 10%)
• Power consumption: Configuration dependent; 35 W (Fan Tray and LCD)
• Power terminals standard 3 pole AC connector
• For an AC power supply, the fuse rating must not exceed 10A, 15A, or 20A depending on the standard
in various countries. For North America, the branch circuit protection must be rated 20A
• Total maximum power consumption of 350W with ancillaries, controllers and linecards
The ONS 15454 M2 has these DC power specifications:
• Nominal Input Voltage: –48 VDC
• Power consumption: Configuration dependent; 35 W (Fan Tray and LCD)
• Power requirements:
• Nominal: –48 VDC
• Input Voltage Range: -40.5 to -57.6 VDC
• Power terminals: DSUB 2 poles for ETSI applications and terminal block double pole for ANSI
applications
• External fuse must not exceed 15A
• Total maximum power consumption of 450W with ancillaries, controllers and linecards
Fan Tray
The following table lists power requirements for the fan-tray assembly.
Table 45: Fan-Tray Assembly Power Requirements
BTU/HrAmpsWattsFan Tray Assembly
12013515454-M2-FTA
13514015454-M2-FTA2
System Environmental Specifications
The ONS 15454 M2 for ANSI environment has these specifications:
• Operating temperature: 23 to +131 degrees Farenheit (-5 to +55 degrees Celsius)
• Operating humidity: 5 to 95 percent, noncondensing
The ONS 15454 M2 for ETSI environment has the following specifications:
Cisco ONS 15454 Hardware Installation Guide
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Hardware Specifications
System Power