User's Manual

MN003563A01-B
Overview
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5 CORE
CORE is a status LED used to diagnose the CORE (Evolved Packet Core - EPC).
The CORE is a framework for providing converged of voice and data including HTTP web
server on a 4G LTE network. Refer to Troubleshooting and Maintenance whenever the LED
shows orange or red color.
• LED OFF - OFF
• GREEN - All EPC processes are running and S1 (Communication between eNodeB
and EPC) is up
• BLINKING GREEN - EPC startup in progress
• ORANGE - One or more EPC processes are down and one or more are active or S1 is
down
• BLINKING ORANGE - EPC shutdown in progress
• RED - Failure. All EPC processes are down
• BLINKING RED - Fatal error. Cannot connect to EPC
6 RADIO
RADIO is a status LED used to diagnose and troubleshoot the eNodeB transceiver that
enables the LXN 500 to communicate directly with end-user devices.
Refer to Troubleshooting and Maintenance whenever the LED shows orange or red color.
LED OFF - OFF
GREEN - L1 and L2 and L3 are running
BLINKING GREEN - Startup eNodeB startup in progress
ORANGE - One or more eNodeB processes are down and one or more are active
BLINKING ORANGE - eNodeB Shutdown in progress
RED - Failure - L1, L2, and L3 are down
BLINKING RED - Fatal Error - No connection to eNodeB board
7 1
USB 2.0 port for connecting peripheral devices such flash-disks to the LXN 500. The USB
port is covered by a protective cover.
IMPORTANT - To enable a successful boot-up, remove all USB devices connected to the
LXN 500 before powering on.
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The LXN 500 supports only FAT32 file system disks.
NOTE To ensure proper communication, use USB extension cable shorter than 9.8 feet
(3 meters).
Table 1-2 Features of LXN 500 Front Panel (Continued)
Item Description