EX42908 series
Table of contents
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EX42908 series www.etherwan.com
Quick Start Guide
This quick start guide describes how to install and use the
Hardened Gigabit 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 Port Status LEDs
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LED State Indication
Power (Green)
Fault (Red)
Gigabit Ports
Link/Act
Steady Power on.
Off Power off.
Steady Relay Starts alarm.
Off Relay non-alarm.
Steady
Blinking
Off No link.
A valid network connection established.
10/100Mbps: Green, 1000Mbps: Amber.
Transmitting or receiving data.
Act stands for Activity.
The Terminal Block and Power Inputs
Power Input Assignment
＋
Power1
Power2
Relay Output Rating 1A @ 250VAC
12~48VDC
－
Power Ground
＋
12~48VDC
－
Power Ground
Earth Ground
Terminal Block
DC Terminal Block Power Input: The DC Terminal Block
power input can be used to power up this Switch.
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DIP Switch Settings
DIP No. On Off
1 Port 1 Alarm Enable. Port 1 Alarm Disable.
2 Port 2 Alarm Enable. Port 2 Alarm Disable.
3 Port 3 Alarm Enable. Port 3 Alarm Disable.
4 Port 4 Alarm Enable. Port 4 Alarm Disable.
5 Port 5 Alarm Enable. Port 5 Alarm Disable.
6 Port 6 Alarm Enable. Port 6 Alarm Disable.
7 Port 7 Alarm Enable. Port 7 Alarm Disable.
8 Port 8 Alarm Enable. Port 8 Alarm Disable.
The Gigabit Ethernet Connectors
The 10/100/1000Base-TX Connections
The following lists the pinouts of 10/100/1000Base-TX
ports.
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Pin Signal Name Signal Definition
1
TP0＋ Transmit and Receive Data 0 ＋
2
TP0－ Transmit and Receive Data 0 －
3
TP1＋ Transmit and Receive Data 1 ＋
4
TP2＋ Transmit and Receive Data 2 ＋
5
TP2－ Transmit and Receive Data 2 －
6
TP1－ Transmit and Receive Data 1 －
7
TP3＋ Transmit and Receive Data 3 ＋
8
TP3－ Transmit and Receive Data 3 －
The 1000Base-SX/LX Connections
The fiber port pinouts: The Tx (transmit) port of device I is
connected to the Rx (receive) port of device II, and the Rx
(receive) port of device I to the Tx (transmit) port of device II.
The WDM 1000Base-BX Connections
The fiber port pinouts: Only one optical fiber is required to
transmit and receive data.
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Functional Description
Complies with EN61000-6-2 & EN61000-6-4 EMC
Generic standard immunity for industrial environment.
Supports 802.3/802.3u/802.3ab/802.3z/802.3x.
Auto-negotiation: 10/100/1000Mbps, Full/Half-duplex.
Auto MDI/MDIX.
1000Base-SX/LX: Multi mode SC or ST type, Single
mode SC type. 1000Base-BX: WDM Single mode SC
type.
Supports 4096 MAC addresses, 192K Bytes buffer
memory.
Supports IEEE802.3az Energy Efficient Ethernet (EEE).
High speed, non-blocking four traffic class QoS switch
fabric.
Supports Jumbo frame up to 9720 Bytes.
Power Supply: Redundant 12~48VDC Terminal Block
power inputs.
Power consumption: 6.5W Max.
Provides reverse polarity protection.
Provides overload current protection.
Operating temperature ranges from -40°C to 75°C
(-40°F to 167°F).
Slim design with DIN-Rail mount installation.
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Assembly, Startup, and Dismantling
Assembly: Place the switch on the DIN rail from above
using the slot. Push the front of the switch toward the
mounting surface until it audibly snaps into place.
Startup: Connect the supply voltage to start up the
switch via the terminal block.
Dismantling: Pull out the lower edge and then remove
the switch from the DIN rail.
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