Cabletron Systems 2E48-27R 用户手册

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Appendix A: Specifications
A-2
2E48-27R/2E49-27R User’s Guide
A.4
ENVIRONMENTAL REQUIREMENTS
A.5
INPUT/OUTPUT PORTS
Operating Temperature:
5°C to 40°C (41°F to 104°F)
Storage Temperature:
-30°C to 73°C (-22°F to 164°F)
Operating Relative Humidity:
5% to 90% (non-condensing)
2E48-27R, Ports 1 through 24: Ethernet multimode fiber optic (802.3 
10BASE-F compliant) with ST type 
connectors.
2E49-27R, Ports 1 through 24: Ethernet single mode fiber optic (FOIRL 
compliant) with ST type connectors.
Slots for optional ports 25 
and 26:
Slots accept three types of optional Fast 
Ethernet Interface Modules:
the FE100-TX, the FE100-FX, and the 
FE100-F3. Check the Release Notes for 
other modules that may be available.
Slot for optional port 27:
Slot accepts optional High Speed 
Interface Modules.