A.1.8 Eia Interface - Cisco ONS 15454 Reference Manual

Appendix A Hardware Specifications
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A.1.8 EIA Interface

The ONS 15454 EIA interface has the following specifications:
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A.1.9 BITS Interface
The ONS 15454 building integrated timing supply (BITS) interface has the following specifications:
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A.1.10 System Timing
The ONS 15454 has the following system timing specifications:
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A.1.11 System Power
The ONS 15454 has the following power specifications:
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A.1.12 System Environmental Specifications
The ONS 15454 has the following environmental specifications:
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OL-9217-01
Backplane access: Alarm pin fields
SMB: AMP #415504-3 75-ohm, 4-leg connectors
BNC: Trompeter #UCBJ224 75-ohm 4 leg connector (King and ITT are also compatible)
AMP Champ: AMP#552246-1 with #552562-2 bail locks
2 DS-1 BITS inputs
2 derived DS-1 outputs
Backplane access: BITS pin field
Stratum 3 per Telcordia GR-253-CORE
Free running accuracy: +/–4.6 ppm
Holdover stability: 3.7 x10
Reference: External BITS, line, internal
Input power: –48 VDC
Power consumption: Configuration dependent; 72 W (fan tray only)
Power requirements: –40.5 to –57 VDC
Power terminals: #8-32 screw. Ring or fork type lug suitable for 10 AWG stranded conductor with
a 0.375inch maximum width.
ANSI shelf: Two 30 A fuses (customer supplied fuse and alarm panel)
HD shelf: 30 A fuse per shelf (customer supplied fuse and alarm panel)
Operating temperature: 0 to +55 degrees Celsius; –40 to +65 degrees Celsius with industrial
temperature rated cards
–7
per day, including temperature (< 255 slips in first 24 hours)
Cisco ONS 15454 Reference Manual, R7.0.1
A.1 A.1.8 EIA Interface
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