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ES42 Series Edge Switches Installation and User Guide (05/05)
The ES42P series (as shown in Fig. 2.2f & g) are premium rated units
suitable for temperature
un-controlled outdoor applications. Specially designed with
premium-grade extended temperature components, the ES42P units use similar thermal
techniques to the ES42H hardened units for cooling. Mounting options include panel-
mounting, DIN-rail, or rack-mount tray. Choices of models for external AC or internal DC
power are available. Ambient operating temperature is between –40°C to +75°C depending
on the power source used. Storage temperature rating is between –40°C to +85°C.
All the premium and hardened models also come along with hardware
operated Alarm terminal block for providing extra reliability to the unit. The Alarm feature
allows the ES42H & P users to be aware and to monitor any internal power failure. See
section 44 for details.
The front side of the unit has four/five twisted-pair 10/100Mb switch ports and
one/two 100Mb fiber port. All the RJ-45 ports of the ES42 Series Edge switches support
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