Initial Power Up
Upon initial power up, the front panel LEDs blink simultaneously. They blink once for multimode or twice for singlemode. Afterwards, the LEDs return to their normal signal presence indication.
If a different fiber optic SFP module or no SFP module is connected, the LEDs first blink once or twice to identify the device, but then blink continuously.
Selecting an Input
To select an input from the front panel, perform the following actions:
1.Press the input selection button that corresponds with the desired rear panel input connector.
2.The corresponding LED lights to indicate the active input.
Enabling or Disabling Front Panel Lockout Mode (Executive Mode)
Push and hold (for about 5 seconds) inputs 1, 2, and 3 simultaneously until the front panel LEDs blink three times to enable or disable front panel configuration. In executive mode, contact closure and
Enabling Auto Switch Mode
Press and hold (for about 3 seconds) inputs 1 and 3 simultaneously until the front panel Auto Switch LED lights. This prioritizes the highest numbered active input.
NOTE: Setting audio switch mode to prioritize the lowest numbered active input can be done only with SIS commands (see Auto switch mode SIS commands on page 15). Normal switch mode is the default mode.
Enabling Normal Switch Mode
Press and hold (for about 3 seconds) inputs 1 and 2 simultaneously until the front panel Auto Switch LED turns off. This is the default mode.
FOX T USW 103 Universal Switcher • Operation 11
