Moxa Technologies EDS-G308 Series User manual

P/N: 1802003082018

*1802003082018*

EDS-G308 Series

Quick Installation Guide

Moxa EtherDevice Switch

Version 6.3, June 2021

Technical Support Contact Information

www.moxa.com/support



- 2 -

Overview

The EDS-G308 Series is equipped with 8 Gigabit Ethernet ports and up

to 2 fiber optic ports, making it ideal for applications that demand high

bandwidth. The EDS-G308 series provides an economical solution for

your industrial Gigabit Ethernet connection, and the built-in relay

warning function alerts maintainers when power failures or port breaks

occur. In addition, the 4-pin DIP switches can be used to configure the

following features: broadcast storm protection (BSP), jumbo frame rate

(Jumbo), and IEEE 802.3az energy saving. The EDS-G308 series

includes 2 models: one with an operating temperature range of -10 to

60°C, and the other one with an extended operating temperature range

of -40 to 75°C. These 2 models have passed a 100% burn-in test to

ensure that they fulfill the special needs of industrial automation

control. The EDS-G308 series can be easily installed with DIN-Rail

mounting as well as distribution boxes.

NOTE

Throughout this Hardware Installation Guide, we use EDS

as an

abbreviation for Moxa Eth

erDevice Switch:

EDS = Moxa EtherDevice Switch

Package Checklist

Your EDS is shipped with the following items. If any of these items is

missing or damaged, please contact your customer service

representative for assistance.

•Moxa EtherDevice™ Switch

•Quick installation guide (printed)

•Warranty card

•Protective caps for unused ports

Features

High Performance Network Switching Technology

•10/100/1000BaseT(X) (RJ45), auto negotiation speed, F/H duplex

mode, and auto MDI/MDI-X connection, 100/1000 BaseSFP slot.

•IEEE 802.3/802.3u/802.3ab/802.3z/802.3x.

•Store and Forward switching process type, 8K MAC address entries.

Industrial Grade Reliability and Efficiency

•Power failure, port break alarm by relay output

•Redundant dual 12/24/48 VDC power inputs

•IEEE 802.3az energy-efficient Ethernet settings by DIP switch

•Broadcast storm protection and jumbo frame setting by DIP switch

Rugged Design

•Operating temperature range of -10 to 60°C, or extended operating

temperature of -40 to 75°C for “T” models

•IP30, rugged high-strength case

•DIN-rail or panel mounting ability

- 3 -

Panel Layout of EDS-G308/EDS-G308-2SFP

1. Grounding screw

2. Terminal block for power input

(PWR1, PWR2) and relay output

3. Power input PWR1 LED

4. Power input PWR2 LED

5. Fault LED

6. TP port’s 10/100 Mbps LED

TP port’s 1000 Mbps LED

SFP port’s 100/1000 Mbps LED

(Amber: 100M; Green: 1000M)

7. Port number

8. 10/100/1000BaseT(X) Port

9. 100/1000Base SFP slot

10.

Model Name

11.

DIP switches

12.

Heat dissipation orifices

13.

Screw hole for wall mounting kit

14.

DIN-rail Kit

- 4 -

Mounting Dimensions

Unit = mm (inch)

- 5 -

DIN-Rail Mounting

The aluminum DIN-rail attachment plate should already be fixed to the

back panel of the EDS when you take it out of the box. If you need to

reattach the DIN-rail attachment plate, make sure the stiff metal spring

is situated towards the top, as shown in the figures below.

STEP 1: Insert the top of the

DIN

-rail into the slot just below

the stiff metal spring.

STEP 2: The DIN-rail attachment

unit will snap into place as shown

below.

To remove the DIN-rail from the EDS, simply reverse Steps 1 and 2.

In order to ensure proper installation, please insert the DIN-rail below

the metal spring.

Wall Mounting (optional)

For some applications, you will find it convenient to mount the EDS on

the wall, as illustrated below.

STEP 1:

Remove the aluminum DIN-

rail attachment plate from

the EDS’s rear panel, and

then attach the wall mount

plates, as shown in the

igure.

STEP 2:

Mounting

the EDS on the wall requires 4 screws. Use

the

switch, with wall mount plates attached, as a

guide to mark the correct locations of the 4 screws.

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, as shown in the figure at the right.

- 6 -

NOTE

Before tightening screws into the wall, make sure 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.

STEP 3:

Once the screws are fixed in the

wall, insert the four screw heads

through the large parts of the

keyhole

-shaped apertures, and

then slide the EDS downwards, as

indicated. Tighten the four screws

for

added stability.

Hazardous Location Information

Logo

Model/Rating

Model Name.

Rated Supply Voltage and Current

EDS-G308,

EDS-G308-T

12-48 VDC, Class 2, Maximum 0.8 A

EDS-G308-2SFP,

EDS-G308-2SFP-T

12-48 VDC, Class 2, Maximum 0.9 A

Relay Output: 24 VDC, 1 A, resistive load.

Serial

Number

ATEX

information

II 3 G

DEMKO

10 ATEX 0917324X

Ex nA nC IIC T4 Gc

Ambient Range: -40°C ≤ Tamb ≤ 75°C (With -T)

Ambient Range: -10°C ≤ Tamb ≤ 60°C (Without -T)

WARNING: DO NOT SEPARATE WHEN ENERGIZED

Rated Cable Temp ≥ 90°C

Address of

manufacturer

No. 1111, Heping Rd., Bade Dist., Taoyuan City 334004,

Taiwan

Standards and Certifications

Hazardous Location EN 60079-0:2012+A11:2013

EN 60079-15:2010/

- 7 -

Conditions of safe use

•Transient protection shall be provided to limit the peak rated

voltage to a maximum of 140% of the peak-rated voltage.

•When end users are providing Optical SFP Communications

modules, these must be limited to Laser Class 1 only.

•The equipment shall only be used in an area of not more than

pollution degree 2, as defined in EN 60664-1.

•The equipment shall be installed in an IP 54 casing in accordance

with the EN 60079-15 standard and should only be accessible by

the use of a tool.

Wiring Requirements

WARNING

Safety First!

Turn

the power off before disconnecting modules or wires. The

proper

power supply voltage is listed on the product label.

Check the voltage of your power source to make sure you are

using t

he correct voltage. Do NOT use a voltage greater than

what

is specified on the product label.

These devices must be supplied by a

n SELV source as defined

in the Low Voltage Directive 2014/35/EU and 2014/30/EU.

WARNING

Safety First!

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 r

atings, 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, make sure 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.

•You can use the type of signal transmitted through a wire to

determine which wires should be kept separate. The rule of thumb

is that wiring with similar electrical characteristics can be bundled

together.

•Keep input wiring and output wiring separated.

•It is strongly advised that you label wiring for all devices in the

system when necessary.

Grounding 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.

- 8 -

ATTENTION

This product is intended to be mounted to a well

-grounded

mounting surface, such as a metal panel.

We suggest using the cable type A

WG min. 18 for grounding

the EDS-G308.

Wiring the Alarm Contact

The Alarm Contact consists of the two middle contacts of the terminal

block on the EDS’s top panel. You may refer to the next section for

detailed instructions on how to connect the wires to the terminal block

connector, and how to attach the terminal block connector to the

terminal block receptor.

In this section, we explain the meaning of the two contacts used to

connect the Alarm Contact.

FAULT: The two middle contacts of the 6-

contact

terminal block connector are used to

detect both power faults and port faults. The

two wires attached to the Fault contacts form

n open circuit when:

1. EDS has lost power from one of the DC

power inputs.

2. The PORT ALARM DIP switch for one of

the ports is set to ON, but the port is

not connected properly.

neither of these two conditions is satisfied,

the Fault circuit will be closed.

Wiring the Redundant Power Inputs

The top two contacts and the bottom two contacts of the 6-contact

terminal block connector on the EDS’s top panel are used for the EDS’s

two AC/ DC inputs. Top and front views of one of the terminal block

connectors are shown here.

STEP 1:

Insert the negative/positive DC

wires into the

V-/V+ terminals.

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.

STEP 3:

Insert the plastic terminal block

connector prongs into the terminal block

receptor, which is

located on EDS’s top panel.

- 9 -

ATTENTION

Before connecting the EDS to the DC power inputs, make sure

the DC power source voltage is stable.

We suggest using a copper conductor with the cable type

AWG 18

-24 and the corresponding pin type cable terminals. In

addition, the wire must be able to withstand at least 105°C.

The wire must be able to withstand at least 105

°C and the

torque value should be 4.5 lb

-in (0.51 N-m).

There should only be o

ne individual conductor in a clamping

point.

Communication Connections

EDS-G308 switches have 2 types of communications port:

•10/100/1000BaseT(X) Ethernet ports

•Combination 10/100/1000T(X) Ethernet or 100/1000BaseSFP fiber

ports

10/100/1000BaseT(X) Ethernet Port Connection

The 10/100/1000BaseT(X) ports located on Moxa EtherDevice Switch’s

front panel are used to connect to Ethernet-enabled devices. Most users

will choose to configure these ports for Auto MDI/MDI-X mode, in which

case the port’s pinouts are adjusted automatically depending on the

type of Ethernet cable used (straight-through or cross-over), and the

type of device (NIC-type or HUB/Switch-type) connected to the port.

In what follows, we give pinouts for both MDI (NIC-type) ports and

MDI-X (HUB/Switch-type) ports. We also give cable wiring diagrams for

straight-through and cross-over Ethernet cables.

10 /100Base T(x) RJ45 Pinouts

MDI Port Pinouts

MDI-X Port Pinouts

8-pin RJ45

Signal

Tx+

Tx-

Rx+

Rx-

Signal

Rx+

Rx-

Tx+

Tx-

1000BaseT RJ45 Pinouts

MDI

MDI-X

BI_DA+

BI_DB+

BI_DA-

BI_DB-

BI_DB+

BI_DA+

BI_DC+

BI_DD+

BI_DC-

BI_DD-

BI_DB-

BI_DA-

BI_DD+

BI_DC+

BI_DD-

BI_DC-

- 10 -

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

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

100/1000BaseSFP (mini-GBIC) Fiber Port

The Fiber ports on the EDS-G308 series are SFP type slots, which

require 100M or 1G mini-GBIC fiber transceivers to work properly.

Moxa provides complete transceiver models for various distance

requirements.

The concept behind the LC port and cable is quite straightforward.

Suppose you are connecting devices I and II. Unlike electrical signals,

optical signals do not require a circuit in order to transmit data.

Consequently, one of the optical lines is used to transmit data from

device I to device II, and the other optical line is used to transmit data

from device II to device I, for full-duplex transmission.

Remember to connect the Tx (transmit) port of device I to the Rx

(receive) port of device II, and the Rx (receive) port of device I to the

Tx (transmit) port of device II. If you make your own cable, we suggest

labeling the two sides of the same line with the same letter (A-to-A and

B-to-B, as shown below, or A1-to-A2 and B1-to-B2).

LC-Port Pinouts

LC-Port to LC-Port Cable Wiring

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