GarrettCom ES42 - Manual (Page 69)

ES42 Series Edge Switches Installation and User Guide (05/05)
1. Two-position terminal block (1,2) provided next to the DC power input, as shown above.
2. The Alarm Relay contact connected to the two terminals (1,2) is hardware operated.
3. By default it is NC (normally closed). It will open if there is any loss of power to the
electronics inside of the unit.
5.0 TROUBLESHOOTING
All Magnum Ethernet products are designed to provide reliability and
consistently high performance in all network environments. The installation of Magnum
ES42 Series 10/100 Mb/s Switches is a straightforward procedure (see INSTALLATION,
Section 3.0); the operation is also straightforward and is discussed in Section 4.
Should problems develop during installation or operation, this section is intended
to help locate, identify and correct these types of problems. Please follow the suggestions
listed below prior to contacting your supplier. However, if you are unsure of the
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