Cisco ONS 15454 Hardware Installation Manual page 502

External LAN Interface for EMS
• 10/100BaseT Ethernet
• TNC/TNCE/TSC/TSCE card access: RJ-45 LAN connector on the controller front plate
External LAN Interface for EMS
The ONS 15454 M2 external LAN interface has these specifications:
• 10/100BaseT Ethernet located on the power module
TL1 Craft Interface
The ONS 15454 M2 TL1 craft interface has these specifications:
• TNC/TNCE/TSC/TSCE access: EIA/TIA-232 DB-9 type connector
Modem Interface
The ONS 15454 M2 modem interface has these specifications:
• Hardware flow control
• TNC/TNCE/TSC/TSCE: EIA/TIA-232 DB-9 type connector
Alarm Interface
The ONS 15454 M2 does not support alarm interface.
Passive Unit Remote Inventory
The ONS 15454 M2 provides 1 standard USB port located on the power module to retrieve the passive units
inventory data.
BITS Interface
The ONS 15454 M2 building integrated timing supply (BITS) interface has these specifications:
• 1 DS-1 BITS inputs wire wrap for ANSI applications
• 1 derived DS-1 outputs wire wrap for ANSI applications
• 1 E1 BITS input DIN-1.0/2.3 for ETSI applications
• 1 E1 BITS output DIN-1.0/2.3 for ETSI applications
System Timing
The ONS 15454 M2 for ANSI has these timing specifications:
• Stratum 3 per Telcordia GR-253-CORE
• Free running accuracy: +/- 4.6 ppm
• Holdover stability: 3.7 x 10-7 per day, including temperature (< 255 slips in first 24 hours)
• Reference: External BITS, line, internal
Cisco ONS 15454 Hardware Installation Guide
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Hardware Specifications