Hardware Description
Wiring the Fault Alarm Contact
10
AT-IMC100T/SCSM and AT-IMC100T/SCMM Fast Ethernet Industrial Media Converters
2.4 Wiring the Fault Alarm Contact
The fault alarm contacts are in the middle of the terminal block as the picture shows below. Connect the wires to form a
normally close circuit. When fault events including power failure/port link failure occur, the loop will become an open circuit.
FIGURE 2-5
Fault Alarm Contacts
Insert the wires into the fault alarm contacts.
Note:
Use Copper Conductors Only, Tighten to
5 lb-in
Note:
The wire gauge for the terminal block should be in the range between
12~ 24 AWG
.
2.5 LED Indicators
LED indicators located on the front panel display the power status and network status of the Managed Industrial Switch.
Please refer to the following table for further details.
Table 2-1: Definition of LED indicators
LED
Color
Description
P1
Green
On
Power input 1 is active
Off
Power input 1 is inactive
Blink
---
P2
Green
On
Power input 1 is active
Off
Power input 1 is inactive
Blink
---
Fault
Red
On
Power input 1 or 2 has failed
Off
Power input 1 or 2 are both functional or no power inputs
Blink
---
FDX/COL for Fiber
Amber
On
Full-duplex mode
Blink
Packet collistion occured
Off
Half-duplex mode
