KSwitch D3 Unmanaged Fast Ethernet Switch - Preliminary User Guide, Rev. 0.9
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4.1.5.
DC Terminal Block Alarm Relay Contacts (16-port)
The alarm relay contacts, in the middle of the DC terminal block connector, detect an Ethernet port failure and forms
a short circuit. The alarm relay output is “Normal Close”.
To activate the alarm relay insert the wires into the corresponding contacts on the DC terminal block.
Figure 7: Alarm Relay Contacts (16-port)
1
Alarm System
2
Extra Power System
When attaching wires to the DC terminal block’s contacts consider:
•
DC terminal block pitch, 5.08 mm
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Wire size range: Solid wire: 12~24 AWG and Stranded wire: 12~24 AWG
•
Wire length 3 m (9.84 ft.) maximum
•
Wire strip length 7 mm (0.28 in)
4.1.6.
Ground Connector (16-port)
The switch must be grounded properly for optimum system performance.
Figure 8: Ground Connector (16-port)
Ground properly using a ground that meets the ground requirements specified in your local,
national and international region.
2
1
