Black Box LP004A Maximum Ethernet Segment or Domain Lengths, Storage Temperature, Cold Start

BLACK BOX→ Power Over Ethernet Switch(PoE) Installation and User Guide

Packet buffers memory: 128KB, dynamically shared on all domains

Latency (not including packet time): 100 to 10 Mbps: 5∝s 10 to 100Mbps: 15∝s

Path Delay Value: 50 BT on all ports

Maximum Ethernet Segment (or Domain) Lengths
10BASE-T (Unshielded twisted pair)	- 100 m (328 ft)
100BASE-TX (CAT 5 UTP)	- 100 m (328 ft)

Operating Environment :

Ambient Temperature ratings

LP004A: -40ºF to 167ºF (-40ºC to 75ºC) Long term per agency tests (UL). -40ºF to 212ºF (-50ºC to 100ºC) Short term per IEC Type tests.

Storage Temperature,

All models: -40ºF to 185ºF (-40ºC to 85ºC)

Cold Start:

LP004A to -40ºC

Ambient Relative Humidity: 5% to 95% (non-condensing)

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