OTS ET8122P Series Quick Start Manual

ET8122P Series
Unmanaged Industrial 8-port 10/100Base-TX + 2-Port 10/100/1000T/FX SFP Combo Ethernet
Switch with PoE/PSE
This quick start guide describes how to install and use the hardened Ethernet Switch. Capable of operating at temperature extremes of -40°C to
+75°C, this is the switch of choice for harsh environments constrained by space.

Physical Description

The Terminal Block and Power inputs

DC Terminal Block Power Inputs: There are two pairs of power inputs can be used to power up this media converter. Redundant power supplies
function is supported. You only need to have one power input connected to run the Switch.

The 10/100Base-TX and Mini-GBIC combo port

The 10/100Base-TX Connections
The following lists the pinouts of 10/100Base-TX ports.
The Terminal Block
PWR1
GND
PWR2
GND
FAULT The relay opens if PWR1 or PWR2 fails (1A)
Pin Regular Ports
1 Output Transmit Data +
2 Output Transmit Data -
3 Input Receive Data +
4 NC
5 NC
6 Input Receive Data -
7 NC
8 NC
1
Power Input 1 (48VDC)
Power Ground
Power Input 2 (48VDC)
Power Ground
Earth Ground
Uplink port
Input Receive Data +
Input Receive Data -
Output Transmit Data +
NC
NC
Output Transmit Data -
NC
NC