Cabletron Systems 9A000 manual ATM Adapters, Adapter Cabling Specifications

Hardware Specifications

C.3 ATM Adapters

The family of ATM adapters provides a flexible ATM interface for the commu- nications needs of today’s high-speed workstations and personal computers.

C.3.1 Adapter Cabling Specifications

C.3.1.1 Fiber-Optic Cable Specifications

The table below lists the recommended cable specifications for all ATM adapt- ers that use fiber-optic cabling to ensure optimal adapter and switch perfor- mance:

Description	Specification for Multimode Products
Core Diameter	62.5 ∝m
Fiber Diameter	125 ∝m
Wavelength	1310 nm
Loss Characteristic	~0.5 dB/km
Connector Style	SC or ST
Power Budget	11 dB *
Approximate Distance	2 km
Transmit Power	-19 dBm (minimum)
Receive Power	-30 dBm (minimum)

* If a 50 ∝m core fiber is used, the power budget is derated by 4 dB.

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