Cabletron Systems MMAC-Plus 9A000, User Manual

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C-19
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
µ
m
Fiber Diameter 125
µ
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
µ
m core fiber is used, the power budget is derated by 4 dB.