Nokia NBB5005000 Installation Guide - Page 39

Common Ethernet Problems-Connectivity with Attached, Device

Page 39 highlights

Common Ethernet Problems-Connectivity with Attached Device Problem No link light. Solution You might have used the wrong cable. Use a crossover cable between the gateway and a host, and a straight-through cable between a gateway and a hub. Problem Steady activity LED. Solution You might have set the wrong speed. Verify that the speeds match on each end of the Ethernet connection (10 Mbps, 100 Mbps, or 1000 Mbps). Problem Port not enabled. Solution Verify from the Interface page in Nokia VPN Manager that the interface port is configured as active. Problem High collision rate on the hub. Solution Disconnect connections one at a time until the problem is localized to one computer and troubleshoot further. Nokia 5i and 10i Installation Guide 39

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Nokia 5i and 10i
Installation Guide
39
Common Ethernet Problems—Connectivity with Attached
Device
Problem
No link light.
Solution
You might have used the wrong cable. Use a crossover cable
between the gateway and a host, and a straight-through cable between a
gateway and a hub.
Problem
Steady activity LED.
Solution
You might have set the wrong speed. Verify that the speeds match
on each end of the Ethernet connection (10 Mbps, 100 Mbps, or 1000 Mbps).
Problem
Port not enabled.
Solution
Verify from the Interface page in Nokia VPN Manager that the
interface port is configured as active.
Problem
High collision rate on the hub.
Solution
Disconnect connections one at a time until the problem is
localized to one computer and troubleshoot further.