IOGear GCS1716 Installation Manual page 12

No. Component
4 Firmware
Upgrade
Recovery
Switch
5 Firmware
Upgrade
Port
6 Power LED
Description
During normal operation and while performing a firmware upgrade, this switch
should be in the NORMAL position. If a firmware upgrade operation does not
complete successfully,
this switch is used to perform a firmware upgrade recovery
The firmware upgrade cable that transfers the firmware upgrade data from the
administrator's computer to the GCS1716, plugs into this RJ-11 connector.
Lights green to indicate that the unit is receiving power.
12