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ONS 15454 Assembly Specifications
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1.16.7 TL1 Craft Interface
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1.16.8 Modem Interface
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1.16.9 Alarm Interface
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1.16.10 EIA Interface
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1.16.11 Nonvolatile Memory
64 MB, 3.0V FLASH memory
1.16.12 BITS Interface
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1.16.13 System Timing
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Cisco ONS 15454 Installation and Operations Guide
1-66
Backplane access: LAN pin field
Speed: 9600 bps
TCC+ access: RS-232 DB-9 type connector
Backplane access: CRAFT pin field
Hardware flow control
TCC+: RS-232 DB-9 type connector
Visual: Critical, Major, Minor, Remote
Audible: Critical, Major, Minor, Remote
Alarm contacts: 0.045mm, -48V, 50 mA
Backplane access: Alarm pin fields
SMB: AMP #415504-3 75 Ohm 4 leg connectors
BNC: Trompeter #UCBJ224 75 Ohm 4 leg connector (King or 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
Chapter 1
Hardware Installation
November 2001
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