Ericsson EDN312 Betriebsanweisung PDF herunterladen (Seite 35)

User Interface

4/1553-HSC 901 101/2 Uen B 2009-02-27

4 User Interface

All the nodes’ main user display have two colored LEDs in the front. The

EDN312 and ESN108 have additional port LEDs (one for each port), which

indicate the state of the port. The port status LEDs are disabled by default,

in order to save power. These LEDs can be activated from PEM.

Table 3 Main LED Indications

LEDs Indication Node Status

Green

Red

••••••

Power-on: Initial LED state

During operation: major HW error

Green

Red

••••••

Power-on: Boot SW starting (2.5 flashes per second)

Green

Red

••••••

Power-on: Loading application SW

(approximately 8 flashes per second)

Green

Red

••••••

Power-on: Switching from Boot SW to application SW (…or

not powered on)

Green

Red

••••••

Normal operation

Green

Red

••••••

Information: No DHCP offer received or SW upgrade in

progress (2 flashes per second)

Green

Red

••••••

Minor error, or service needed

Green

Red

••••••

Indication set manually from the PEM, to point out a

specific node (for example to help maintenance personnel

to locate a node in the MDF). Light shift every second.

Green

Red

••••••

EXN104 only: All E1 links are down (Short flash every 1.5

seconds)

Legend: █ or █ : LED is On • : LED is Off

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