© Microhard Systems Inc. CONFIDENTIAL 23
IP9xx Series
3.0 Hardware Features
3.2 IP9xx Indicators
3.2.1 Front Indicators
Alarm LED (Amber)
Located at top/left of COM2 port, illuminates when there is a load/
transmitter impedance mismatch—indicating a possible problem in
the antenna system.
MHX Status LED (Green)
Located at top/right of COM2 port, illuminates when the MHX core
module is powered-up and okay.
TX LED
The transmit (TX) LED is illuminated when the IP Series is
transmitting data wirelessly.
RX LED
This LED, when illuminated, indicates that the modem is
synchronized and/or receiving valid packets of data.
SYS LED
The System Status LED operation is described in the following
table:
Upon initial application of power the SYS LED will be illuminated for
approximately 20 seconds, after which time it will being to blink
slowly (loading) for an additional 25 seconds, then stay ON
‗solid‘ (indicating it has achieved its specific operational status).
System Mode SYS LED Status
Normal On
Recovery Fast Blink (3 per second)
Loading (e.g. on normal power-up) Slow Blink (1 every 2 seconds)
Upgrading Slow Blink (1 every 2 seconds)
DO NOT cycle power during
the ‗Upgrading‘ process:
doing so will corrupt the flash
file system and the IP Series
will not boot properly. If this
occurs, the system can only
be restored using the
recovery procedure.
Table 3D: SYS LED Operation
DO NOT cycle power during
the ‗Upgrading‘ process:
doing so will corrupt the flash
file system and the IP Series
will not boot properly. If this
occurs, the system can only
be restored using the
recovery procedure.
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