KBC Networks ESUG8P - Manual (Page 8)

Ethernet Switch User Manual
Manual-ESUG8P_Series_HW-Rev1112
Copyright © KBC Networks Ltd.
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2.5 Power Connections
A 6 pin, power terminal block should be used to connect the power cable to the unit.
Figure 2.1 Power connections
Contact number Connections
1 PWR2: -
2 PWR2: +
3 Fault alarm contact
4 Fault alarm contact
5 PWR1: -
6 PWR1: +
Note: If only using one power source, connect pin 1 to pin 5 and pin 2 to pin 6
otherwise the Power Fault Alarm will be lit.
2.6 Fault Alarm Contact
The fault alarm contacts are in the middle of the 6 pin, screw block terminal on pins 3 &
4. An open circuit will occur if a power failure is detected.
Fig 2.2 Fault Alarm Contacts
Load
External
power
24Vdc, 1A resistance
P-Fail