Sierra Wireless MC8301 Benutzerhandbuch
5
Rev 1.12.5 Jan.10
Proprietary and Confidential
35
In the event of a discrepancy in values between this guide and the Product Specification Document (PSD), the PSD takes precedence.
5: Host / Module Interfaces
LED output
The module drives the LED output according to the PCI‐
Express Mini Card specification (summarized in
Express Mini Card specification (summarized in
below).
Table 5-1: LED states
State
Indicates
Characteristics
Off
Module is not
powered.
powered.
Light is off.
On
Module is powered
and connected, but
not transmitting or
receiving.
and connected, but
not transmitting or
receiving.
Light is on.
Slow blink
Module is powered
and searching for a
connection.
and searching for a
connection.
LED is flashing at a
steady, slow rate.
steady, slow rate.
•
250 ms ± 25% ON
period
period
•
0.2 Hz ± 25% blink
rate
rate
Faster blink
Module is
transmitting or
receiving.
transmitting or
receiving.
LED is flashing at a
steady, faster rate.
steady, faster rate.
•
Approximately 3 Hz
blink rate
blink rate
Note: MC572x modules
support customer-defined
LED controls.
support customer-defined
LED controls.