EDS-2008-EL/ELP Series Quick Installation Guide

Overview

The EDS-2008-EL/ELP Series features an 8-port combination to simplify network expansion. Two housing types are available: the ELP with a plastic housing and the EL with a metal housing. These compact switches offer a cost-effective solution for industrial Ethernet connection requirements.

The series supports 12/24/48 VDC (9.6 to 60 VDC) power input. Switches are available with a standard operating temperature range of -10 to 60°C, or a wide operating temperature range of -40 to 75°C (available for –T models in the EL Series only). These rugged switches are designed to operate reliably in harsh industrial environments.

For increased versatility across different industries, the EDS-2008-EL/ELP Series allows users to enable or disable Broadcast Storm Protection (BSP) and Quality of Service (QoS) functions via DIP switches on the top panel. Installation is made easy with DIN-rail mounting capability and distribution boxes. The DIN-rail mounting and IP40 housing with LED indicators ensure that these plug-and-play switches are reliable and user-friendly.

NOTE: Throughout this Quick Installation Guide, EDS is used as an abbreviation for Moxa EtherDevice Switch.

ATTENTION: This device complies with part 15 of FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operations.

Package Checklist

Your EDS is shipped with the following items. If any of these items are missing or damaged, please contact your customer service representative for assistance:

• Moxa EtherDevice™ Switch
• Quick installation guide (printed)
• Warranty card

Features

High-performance Network Switching Technology

• 10/100BaseT(X) auto-negotiation speed, full/half-duplex mode, auto MDI/MDI-X connection, and 100BaseFX for fiber port models.
• IEEE 802.3 for 10BaseT, IEEE 802.3u for 100BaseT(X).
• IEEE 802.1p for Quality of Service (QoS) traffic prioritized function.
• Store-and-forward switching process type.

Industrial-grade Reliability

• Broadcast storm protection to prevent network devices from crashing.

Rugged Design

• Operating temperature range from -10 to 60°C, or extended operating temperature from -40 to 75°C (only available for the –T models in the EL Series).
• IP40, rugged high-strength case.
• DIN-rail or panel mounting ability.

WARNING: The power for this product is intended to be supplied by a Listed Power Supply, with output marked LPS, and rated to deliver 12 to 48 VDC at a maximum of 0.25 A. The DC jack should be used with an LPS unit that is rated to deliver 12 to 48 VDC at a minimum of 1.1 A. The product should not be disassembled by operators or service people.

Panel Layout

EDS-2008-EL/EDS-2008-ELP

Front Panel View: Depicts the front of the switch with numbered components:

• 1. Chassis ground screw
• 2. Terminal block for power input
• 3. DIP switch
• 4. Power LED
• 5. 10/100BaseT(X) Port
• 6. 10/100BaseT(X) Port LED
• 7. Port number
• 8. Model name

Top Panel View: Depicts the top of the switch with numbered components:

• 1. Chassis ground screw
• 2. Terminal block for power input
• 3. DIP switch

EDS-2008-EL-M-ST/EDS-2008-EL-M-SC

Front Panel View: Depicts the front of the switch with numbered components:

• 1. Chassis ground screw
• 2. Terminal block for power input
• 3. DIP switch
• 4. Power LED
• 5. 10/100 BaseT(X) Port
• 6. 10/100 BaseT(X) Port LED
• 7. Port number
• 8. 10/100 BaseFX Multi-mode ST Port (only for ST models)
• 9. 10/100 BaseFX Multi-mode SC Port (only for SC models)
• 10. 10/100 BaseFX Port LED
• 11. Model name

Top Panel View: Depicts the top of the switch with numbered components:

• 1. Chassis ground screw
• 2. Terminal block for power input
• 3. DIP switch

Mounting Dimensions

EDS-2008-EL Series

Unit = mm (inch)

Diagrams show the physical dimensions of the EDS-2008-EL series switch from front, side, and top views. Key dimensions include:

• Height: 81 mm (3.19 in)
• Width: 36 mm (1.42 in)
• Depth: 65 mm (2.56 in)
• Mounting rail depth: 35.2 mm (1.39 in)
• Mounting rail height: 22.9 mm (0.9 in)
• Other dimensions include 1.2 mm (0.05 in), 8.5 mm (0.33 in), 6.8 mm (0.27 in), and 3.7 mm (0.15 in).

EDS-2008-ELP Series

Unit = mm (inch)

Diagrams show the physical dimensions of the EDS-2008-ELP series switch from front, side, and top views. Key dimensions include:

• Height: 81 mm (3.19 in)
• Width: 36 mm (1.42 in)
• Depth: 65 mm (2.56 in)
• Mounting rail depth: 35.2 mm (1.39 in)
• Mounting rail height: 22.9 mm (0.9 in)
• Other dimensions include 1.2 mm (0.05 in), 8.5 mm (0.33 in), 6.8 mm (0.27 in), and 3.7 mm (0.15 in).

EDS-2008-EL-M-ST Series

Unit = mm (inch)

Diagrams show the physical dimensions of the EDS-2008-EL-M-ST series switch from front, side, and top views. Key dimensions include:

• Height: 81 mm (3.19 in)
• Width: 36 mm (1.42 in)
• Depth: 70.9 mm (2.79 in)
• Mounting rail depth: 35.2 mm (1.39 in)
• Mounting rail height: 22.9 mm (0.9 in)
• Other dimensions include 1.2 mm (0.05 in), 8.5 mm (0.33 in), 6.8 mm (0.27 in), 5.9 mm (0.23 in), and 3.7 mm (0.15 in).

EDS-2008-EL-M-SC Series

Unit = mm (inch)

Diagrams show the physical dimensions of the EDS-2008-EL-M-SC series switch from front, side, and top views. Key dimensions include:

• Height: 81 mm (3.19 in)
• Width: 36 mm (1.42 in)
• Depth: 67.9 mm (2.67 in)
• Mounting rail depth: 35.2 mm (1.39 in)
• Mounting rail height: 22.9 mm (0.9 in)
• Other dimensions include 1.2 mm (0.05 in), 8.5 mm (0.33 in), 6.8 mm (0.27 in), 3.9 mm (0.15 in), and 3.7 mm (0.15 in).

Mounting Methods

DIN-rail Mounting

When shipped, the DIN-rail mounting kit is fixed to the back panel of the EDS. Mount the EDS on a corrosion-free mounting rail that adheres to the EN 60715 standard.

Suggested Installation Method

1. STEP 1: Insert the upper lip of the DIN-rail kit into the mounting rail. (Diagram shows a close-up of the DIN-rail kit's upper lip being inserted into the mounting rail.)
2. STEP 2: Press the device towards the mounting rail until it snaps into place. Alternatively, a screwdriver can be used to attach to the bottom of the DIN-rail kit and pull down. (Diagram shows the device being pressed onto the rail, with an arrow indicating downward force. A secondary diagram shows a screwdriver being used to engage the bottom of the kit.)

Suggested Removal Method

1. STEP 1: Pull down the latch on the DIN-rail kit with a flat-head screwdriver. (Diagram shows a screwdriver engaging the latch and pulling it downwards.)
2. STEP 2: Slightly pull the device forward and lift up to remove it from the mounting rail. (Diagram shows the device being pulled forward and lifted off the rail.)

ATTENTION: When installing or removing devices, insert a flat-head screwdriver into the latch of the holding clamp and pull the latch downward, rather than pushing it towards the DIN rail side. If you want to change the device's position on the DIN rail, first remove it using a flat-head screwdriver and then re-install it in the desired position. Do NOT directly move the device on the DIN rail without uninstalling it first. If the equipment is used in a manner not specified by the manufacturer, the protection provided by the equipment may be impaired.

Screwdriver Detail: Use a flat-head screwdriver with a head size of between 4 and 6 mm for proper installation or removal. (Diagram shows a screwdriver with a measurement indicating 4 to 6 mm head size.)

NOTE:

1. The installation and safety of any system incorporating the equipment is the responsibility of the system assembler.
2. This is an OPEN TYPE module and should be installed in a safety enclosure with mechanical rigidity and an appropriate IP rating.

Wall Mounting (optional)

For some applications, it may be convenient to mount the EDS on the wall.

There are two options for installation:

1. Hook the EDS DIN-rail latch onto the opening of the wall mount kit and then mount the kit on the wall with screws.
2. Perform the screw mounting first, then attach the EDS.

Screw Requirements: The heads of the screws should be less than 6.0 mm in diameter, and the shafts should be less than 3.5 mm in diameter. (Diagram illustrates these screw size limits.)

NOTE: Before tightening screws into the wall, ensure the screw head and shank size are suitable by inserting the screw into one of the keyhole-shaped apertures of the Wall Mounting Plates. Do not screw the screws in all the way; leave about 2 mm to allow room for sliding the wall mount panel between the wall and the screws.

Once screws are fixed, insert the two screw heads through the large parts of the keyhole-shaped apertures, and then slide the EDS downwards. Tighten the two screws for added stability. (Diagram shows the process of sliding the device onto the wall-mounted screws.)

WARNING: External metal parts are hot. Take necessary precautions if it is necessary to touch.

Wiring Requirements

WARNING: Do not disconnect modules or wires unless the power supply has been switched off or the area is known to be non-hazardous. The devices may only be connected to the supply voltage shown on the type plate. The devices are designed for operation with a Safety Extra-Low Voltage (SELV) in compliance with IEC950/EN60950/VDE0805.

WARNING: Safety First! Be sure to disconnect the power cord before installing and/or wiring your Moxa EtherDevice Switch. Calculate the maximum possible current in each power wire and common wire. Observe all electrical codes dictating the maximum current allowable for each wire size. If the current goes above the maximum ratings, the wiring could overheat, causing serious damage to your equipment.

You should also pay attention to the following items:

• Use separate paths to route wiring for power and devices. If power wiring and device wiring paths must cross, ensure the wires are perpendicular at the intersection point. NOTE: Do not run signal or communications wiring and power wiring in the same wire conduit. To avoid interference, wires with different signal characteristics should be routed separately.
• The type of signal transmitted through a wire can help determine which wires should be kept separate. The rule of thumb is that wiring sharing similar electrical characteristics can be bundled together.
• Keep input wiring and output wiring separated.
• It is strongly advised to label wiring to all devices in the system when necessary.

Grounding the Moxa EtherDevice Switch

Grounding and wire routing help limit the effects of noise due to electromagnetic interference (EMI). Run the ground connection from the ground screw to the grounding surface prior to connecting devices. A 4 mm² conductor must be used when a connection to the external grounding screw is utilized.

ATTENTION: This product is intended to be mounted to a well-grounded mounting surface, such as a metal panel.

NOTE: When using shielded cables to connect two Ethernet devices, a ground loop may occur if the shielding on the cables generates an additional grounding connection path. This can cause ground current to flow through to the Ethernet ports and damage the devices. Therefore, STP cables must only be connected to the ground at one end. The EDS-2000-EL/ELP Series does not provide grounding for cable shielding using metallic RJ-45 connectors. However, the EDS-2000-EL/ELP Series has better surge and EFT protection (IEC 61000-4-4 EFT: Signal: 2 kV, IEC 61000-4-5 Surge: Signal: 2 kV). If it is necessary to use shielded cables, grounding the remote end of the cable is recommended.

Wiring the Power Input

The top two contacts and the bottom two contacts of the 2 or 3 contact terminal block connector on the EDS's top panel are used for the EDS's two DC inputs. Top and front views of one of the terminal block connectors are shown.

EL Models Terminal Block View: Shows a 2-contact terminal block with V- and V+ terminals.

ELP Models Terminal Block View: Shows a 3-contact terminal block with V-, V+, and a third terminal (likely ground or unused).

1. STEP 1: Insert the negative/positive DC wires into the V-/V+ terminals.
2. STEP 2: To keep the DC wires from pulling loose, use a small flat-blade screwdriver to tighten the wire-clamp screws on the front of the terminal block connector.
3. STEP 3: Insert the plastic terminal block connector prongs into the terminal block receptor, which is located on the EDS's top panel.

NOTE: The power source comes from secondary circuits. These circuits are separated from mains circuits by a transformer in which the primary windings are separated from the secondary windings by reinforced installation, double installation, or a screen connected to the protective conductor terminal.

Communication Connections

The EDS-2008-EL/ELP models have 10/100BaseT(X) Ethernet ports and 100BaseFX Ethernet ports.

10/100BaseT(X) Ethernet Port Connection

The 10/100BaseT(X) ports on the EDS's front panel are used to connect to Ethernet-enabled devices. Pinouts for MDI (NIC-type) and MDI-X (HUB/Switch-type) ports, and cable wiring diagrams for straight-through and cross-over Ethernet cables are provided.

10/100Base T(x) RJ45 Pinouts

MDI Port Pinouts:

MDI-X Port Pinouts:

8-pin RJ45 Diagram: Illustrates an 8-pin RJ45 connector.

RJ45 (8-pin) to RJ45 (8-pin) Straight-through Cable Wiring

Diagram shows a straight-through cable connecting a Switch Port (NIC Port) RJ45 Connector to a NIC Port RJ45 Connector, detailing the pin connections (e.g., Pin 1 to Pin 1, Pin 3 to Pin 3).

RJ45 (8-pin) to RJ45 (8-pin) Cross-over Cable Wiring

Diagram shows a cross-over cable connecting a Switch Port (NIC Port) RJ45 Connector to a NIC Port RJ45 Connector, detailing the pin connections (e.g., Pin 1 (Rx+) to Pin 3 (Tx+)).

100BaseFX Ethernet Port Connection

The concept behind SC/ST ports and cables is straightforward. For optical signals, one line transmits data from device I to device II, and the other transmits from device II to device I for full-duplex transmission. Connect the Tx (transmit) port of device I to the Rx (receive) port of device II, and vice versa. For custom cables, label the sides of the same line with the same letter (e.g., A-to-A, B-to-B).

SC-port Pinouts: Shows Tx and Rx ports on an SC connector.

SC-port to SC-port Cable Wiring: Diagram shows an SC-port to SC-port cable wiring, illustrating connections A to A and B to B.

ST-port Pinouts: Shows Tx and Rx ports on an ST connector.

ST-port to ST-port Cable Wiring: Diagram shows an ST-port to ST-port cable wiring, illustrating connections A to A and B to B.

ATTENTION: This is a Class 1 Laser/LED product. To prevent damage to your eyes, do not stare directly into the laser beam.

DIP Switch Settings

Front View: Shows the location of the DIP switches.

LED Indicators

The front panel of the Moxa EtherDevice Switch contains several LED indicators. The function of each LED is described in the table below.

Auto MDI/MDI-X Connection

The Auto MDI/MDI-X function allows users to connect the EDS's 10/100BaseT(X) ports to any kind of Ethernet device, without paying attention to the type of Ethernet cable being used for the connection. This means you can use either a straight-through cable or cross-over cable to connect the EDS to Ethernet devices.

Dual Speed Functionality and Switching

The EDS's 10/100 Mbps RJ45 switch port auto-negotiates with the connected device for the fastest data transmission rate supported by both devices. The EDS is a plug-and-play device, so software configuration is not required at installation or during maintenance.

The half/full duplex mode for the RJ45 switched ports is user-dependent and changes (by auto-negotiation) to full or half duplex, depending on which transmission speed is supported by the attached device.

Switching, Filtering, and Forwarding

Each time a packet arrives at one of the switched ports, a decision is made to either filter or forward the packet. Packets with source and destination addresses belonging to the same port segment will be filtered, constraining those packets to one port and relieving the rest of the network from the need to process them. A packet with a destination address on another port segment will be forwarded to the appropriate port and will not be sent to other ports where it is not needed.

Packets used in maintaining the operation of the network (such as occasional multi-cast packets) are forwarded to all ports. The EDS operates in the store-and-forward switching mode, which eliminates bad packets and enables peak performance during heavy network traffic.

Switching and Address Learning

The Moxa EDS has an address table that can hold up to 8,000 node addresses, making it suitable for large networks. The address tables are self-learning; as nodes are added, removed, or moved between segments, the EDS automatically updates node locations. An address-aging algorithm deletes least-used addresses in favor of newer, more frequently used ones. To reset the address buffer, power down the unit and then power it back up.

Auto-negotiation and Speed Sensing

The EDS's RJ45 Ethernet ports independently support auto-negotiation for transmission speeds of 10 Mbps or 100 Mbps, operating according to the IEEE 802.3 standard. This allows some nodes to operate at 10 Mbps while others operate at 100 Mbps simultaneously.

When an RJ45 cable is connected, auto-negotiation takes place, and then a LINK is enabled. The EDS advertises its capability for 10 Mbps or 100 Mbps transmission speeds, and the device at the other end of the cable is expected to advertise similarly. The connected device determines the operating speed (10 Mbps or 100 Mbps).

If an EDS's RJ45 Ethernet port is connected to a non-negotiating device, it will default to 10 Mbps speed and half-duplex mode, as required by the IEEE 802.3 standard.

Specifications