GarrettCom Hubs user manual Mtbf

Magnum Blade 10/100Mbps cPCI Hubs User Manual (8/01)

SPECIFICATIONS:

PERFORMANCE:

Data Rate:

10/ 100Mbps (DS12) 100Mbps (DS12E)

Partitioning:

Enforced after 32 consecutive collisions

Auto-reconnect:

Occurs after one packet of error-free transmission

DS12 & DS12E:

Class II Repeater

MTBF:

287,864 hrs. @40°C

204,969 hrs. @55°C

PDV (100Mbps Path Delay Value):

80BT

Processing type:

Store and Forward

Auto-learning:

2K addresses

Packet buffers:

512KB

Latency (not including packet time):

5 ∝ s (10 to 100Mbps and 100 to 10Mbps)

NETWORK STANDARDS:

Ethernet V1.0/V2.0 IEEE 802.3: 10BASE-T,

IEEE 802.3u: 100BASE-TX

6U X 4HP Form Factor:

Note: The unit is stand-alone; it does not plug into any cPCI backplane connectors

OPERATING ENVIRONMENT:

Ambient Temperature: 25° to 130° F ( -5°to 55° C)

Storage Temperature: -40°to 185° F (-40°to 85° C)

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

NETWORK CABLE CONNECTORS:

All 12Ports are shielded RJ-45 female. 100Mbps: use Category 5 UTP/STP 10Mbps: use Category 3, 4, 5 UTP

SWITCHES, MANUAL:

MDI-X thumb operated slide up-link switch converts top-most port# 1 on hub from a regular (= position) user segment port to a cross-over (X position) up-link port for on-off connection to a central hub or switch, or another cascaded hub or switch.

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