Alarm Interface; Nonvolatile Memory; Bits Interface; System Timing - Cisco ONS 15327 Procedure Manual
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Also See for ONS 15327:
- User documentation (559 pages) ,
- Manual (42 pages) ,
- Reference manual (166 pages)
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Appendix B
Shelf Assembly Specifications
Alarm Interface
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Nonvolatile Memory
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BITS Interface
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System Timing
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Power Specifications
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Environmental Specifications
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Dimensions
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March 2003
Visual: Critical, Major, Minor, Remote
Audible: Critical, Major, Minor, Remote
Alarm contacts: 0.045mm, -48 V, 50 mA
96 MB, FLASH memory
2 DS-1 BITS inputs
2 derived DS-1 outputs
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: 260 W (maximum draw w/cards)
Power requirements: –42 to –56 VDC
Power terminals: Removable screw-locking (#12-14 AWG)
Operating Temperature: 0 to +55 degrees Celsius; -40 to +65 degrees Celsius with industrial
temperature rated cards
Operating Humidity: 5 - 95%, non-condensing
Height: 5.1 inches (13. cm)
-7
/day, including temperature (< 255 slips in first 24 hours)
Cisco ONS 15327 Procedure Guide, R4.0
Alarm Interface
B-3
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