A SERVICE OF

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1. Operational Overview
1-18
1.15 Switching Hub HUB-100
The HUB-100 provides switching for a radar processor and chart processor unit, using an Ethernet interface
(100BASE-TX/10BASE-T). LEDs display link/activity, mode (full-duplex or half-duplex) and collision states. No
operation is required of the user. Simply turn on the AC power source for the Switching Hub to power it.
LED display
The LEDs on the top of the unit light, flash or go off according to equipment state. When the equipment is powered
all LEDs light and go off.
Switching Hub HUB-100
LED status and meaning
LED Status Meaning
Power Lit
Off
Equipment powered
Equipment off
Link/Act Lit
Off
Flashing
Connection with terminal normal
Connection with terminal disconnected
Data TX or RX
FDx/Col Lit
Off
Flashing
Full-duplex
Half-duplex
Collision
100M Lit
Off
100 Mbps connection
10 Mbps connection