SWT
GIGABIT/FAST ETHERNET SWITCH TYPE SWT
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USER GUIDE - M0SWTA1903Iv09 - V09 March 2019
3
LED SIGNALLING
The SWT has two basic LEDs (SRV and ON) and several specific LEDs associated with
the Fast Ethernet ports and SFP modules.
The location and identification of the LEDs according to the model are indicated in the
following sections.
3.1
SWT WITH FRONT PORTS
FIGURE 20 shows a front view of the SWT with front ports, showing the detail of the
different LEDs. They are described below.
FIGURE 20
LEDs in the SWT with
front
ports
Basic LEDs
Srv LED
Amber. It flashes when there is emission or reception
activity by the SRV serial service interface.
On LED
Red. It is permanently lit when the equipment is powered
with an external power-supply voltage.
