Brother HL-1870N - Functions; LED Functions; Factory Default Setting

HL-1850/1870N SERVICE MANUAL
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6.2 Functions
6.2.1 LED functions
Fig. 2-35
L-LED (Green): Link activity
This LED is on if there is a valid connection to the network (either 10BaseT or 100BaseTX). It
is off if no network is detected.
F-LED (Orange): Fast Ethernet
This LED will be on if the print server is connected to a 100BaseTX Fast Ethernet network. It
is off if the print server is connected to a 10BaseT network.
A-LED (Green): Transmission activity
This LED will blink as the print server receives or transmits data.
6.2.2 Factory default setting
If you wish to reset the print server back to its default factory settings (resetting all information
such as the password and IP address information), hold down the Network Test button for
more than 5 seconds.
A-LED
(Green)
F-LED
(Orange)
L-LED
(Green)