RCA TM580 - Manual (Page 117)

Chapter 6
Troubleshooting
E-DOC-CTC-20050429-0102 v1.0
109
6.1.1 Wired Ethernet Troubleshooting
LAN LED does not light
up
Make sure that:
 The LAN cable is securely connected to the 10/100Base-T port.
 You are using the correct cable type for your Ethernet equipment, that is UTP
CAT5 with RJ-45 connectors.