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Cisco ONS 15600 Reference Manual, R7.2
Appendix A Hardware Specifications
A.1.7 External LAN Interface
A.1.7 External LAN Interface
The external LAN interface has the following specifications:
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10/100BaseT Ethernet
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Backplane access: RJ-45 connector
A.1.8 TL1 Craft Interface
The craft interface has the following specifications:
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Speed: 9600 bps
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Backplane (CAP) access: EIA/TIA-232 DB-9 type connector
A.1.9 Modem Interface
The modem interface has the following specifications:
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Hardware flow control
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Backplane (CAP) access: EIA/TIA-232 DB-9 type connector
A.1.10 Alarm Interface
The alarm interface has the following specifications:
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Visual: Critical, Major, Minor, Remote
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Audible: Critical, Major, Minor, Remote
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Alarm contacts: 0.045 mm, –48 VDC, 50 mA
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Backplane (CAP) access: Alarm pin fields
A.1.11 BITS Interface
The building integrated timing supply (BITS) interface has the following specifications:
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2 DS-1 BITS inputs
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2 derived OC-N outputs
A.1.12 System Timing
The ONS 15600 has the following system timing specifications:
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Holdover stability: Stratum 3E per Telcordia GR-253-CORE
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Free running accuracy: +/– 4.6 ppm
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Reference: External BITS, line, internal