Advantech EKI-7526I, Руководство пользователя

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2.4 Network Connection
The EKI-7526I has 16 x RJ-45 ports that support connection to 10 Mbps Ethernet, or
100 Mbps Fast Ethernet, and half or full duplex operation. EKI-7526I can be connected
to other hubs or switches via a twisted-pair straight-through or crossover cable up to
100m long. The connection can be made from any TX port of EKI-7526I (MDI-X) to
another hub or switch either MDI-X or uplink MDI port.
EKI-7526I supports auto-crossover to make networking more easy and flexible. You
can connect any RJ-45 (MDI-X) port on the switch to any device such as a switch,
bridge or router.
2.5 Power Connection
The EKI-7526I supports dual +12 ~48 V
DC
power inputs and power-fail relay output.
Figure 2.8: Pin Assignment of the Power Connector
You can connect an alarm indicator, buzzer or other signaling equipment through the
relay output. The relay opens if power input 1 or 2 fails (‘Open’ means if you connect
relay output with an LED, the light would be off).
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