- Cisco ONS 15454 Manual

Table Of Contents
1-66
Cisco ONS 15454 Installation and Operations Guide
November 2001
Chapter 1 Hardware Installation
ONS 15454 Assembly Specifications
Backplane access: LAN pin field
1.16.7 TL1 Craft Interface
Speed: 9600 bps
TCC+ access: RS-232 DB-9 type connector
Backplane access: CRAFT pin field
1.16.8 Modem Interface
Hardware flow control
TCC+: RS-232 DB-9 type connector
1.16.9 Alarm Interface
Visual: Critical, Major, Minor, Remote
Audible: Critical, Major, Minor, Remote
Alarm contacts: 0.045mm, -48V, 50 mA
Backplane access: Alarm pin fields
1.16.10 EIA Interface
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
1.16.11 Nonvolatile Memory
64 MB, 3.0V FLASH memory
1.16.12 BITS Interface
2 DS-1 BITS inputs
2 derived DS-1 outputs
Backplane access: BITS pin field
1.16.13 System Timing
Stratum 3 per Telcordia GR-253-CORE
Free running accuracy: ± 4.6 ppm