COBHAM OMU I User Manual

OPTICAL MASTER UNIT MARK I
PRODUCT DESCRIPTION AND USER’S MANUAL
Cobham Wireless – Coverage Date: 4-Jan-18 www.cobham.com/wireless
Document number:A1829300UM Rev. 3.1
Page | 46
4.1.2 Control Module LEDs
The Control Module has four LEDs which give information regarding the status
of the OMU.
If the OMU is configured for Ethernet communication the two LEDs
Modem Power and Modem Status do not fill any function and can be
disregarded.
Blue LED - Login
Quick flash Control Module switched on, someone logged in locally
and/or remotely
Off (except for a quick flash
every 10th second)
Control Module switched on, no one logged in
Off (permanent) Control Module switched OFF
Red LED - Status
Quick flash
Control Module switched on, one or more
errors/alarms detected
Off (except for a quick flash
every 10th second)
Control Module switched on, status OK
Off (permanent) Control Module switched off
Green LED – Modem Status
On
Depending on type of call:
Voice call: Connected to remote party
Data call: Connected to remote party or exchange of
parameters while setting up or disconnecting a call
Flashing
(irregular)
Indicates GPSR data transfer. When a GPRS transfer is
in progress the LED goes on within 1 second after data
packets
were exchanged. Flash duration in
approximately 0.5s.
75ms on/75ms off/75ms
on/3s off
One or more GPRS contexts activated
75ms on/3s off
Logged to network (monitoring control channels and
user interactions). No call in progress
600ms on/600ms off No SIM card inserted, or no PIN entered, or network
search in progress, or ongoing user authentications, or
network login in progress
Off Modem is off
Modem Status
Modem Power
Status
Login
Green LED – Modem Power
On Modem Power is on
Off Modem Power is off

COBHAM OMU I Specifications

General

Brand	COBHAM
Model	OMU I
Category	Network Hardware
Language	English