Moxa Technologies IMC-21 User manual

P/N: 1802000210014

*1802000210014*

IMC-21

Quick Installation Guide

Moxa Industrial Media Converter

Edition 5.0, February 2017

Technical Support Contact Information

www.moxa.com/support

Moxa Americas:

Toll

-free: 1-888-669-2872

Tel:

1-714-528-6777

Fax:

1-714-528-6778

Moxa China (Shanghai office):

Toll

-free: 800-820-5036

Tel:

+86-21-5258-9955

Fax:

+86-21-5258-5505

Moxa Europe:

Tel:

+49-89-3 70 03 99-0

Fax:

+49-89-3 70 03 99-99

Moxa Asia-Pacific:

Tel:

+886-2-8919-1230

Fax:

+886-2-8919-1231

Moxa India:

Tel:

+91-80-4172-9088

Fax:

+91-80-4132-1045



- 2 -

Overview

The Moxa Industrial Media Converter IMC-21 series consists of entry-level

10/100BaseT(X) to 100BaseFX media converters that provide a

cost-effective solution, and are specially designed for reliable and stable

operation in harsh industrial environments.

IMC-21 accepts either a 12 to 48 VDC power input. It operates reliably in

a temperature range from -10 to 60°C, and IMC-21’s rugged hardware

design makes it ideal for demanding industrial applications, such as those

that comply with FCC, CE.

NOTE

Throughout this Hardware Installation Guide, we use IMC as an

abbreviati

on for Industrial Media Converter:

IMC = Industrial Media Converter

Package Checklist

Moxa IMC-21 is shipped with the following items. If any of these items is

missing or damaged, please contact your customer service

representative for assistance.

•IMC-21

•Quick Installation Guide (printed)

•Warranty card

Features

•Power inputs: 12 to 48 VDC

•TP port’s connection speed, Half/Full duplex mode, and Force/Auto

mode are DIP Switch selectable

•Fiber port’s Half/Full duplex mode is DIP Switch selectable

•Supports Link Fault Pass-Through (LFP)

•DIN-Rail mountable

•Multi-mode and single mode models with SC or ST fiber connectors

are available

•Operating temperature range from -10 to 60°C

- 3 -

Panel Layout of IMC-21 Series

Heat dissipation orifices

Terminal block for power input and

grounding

3. DIP switch

4. Moxa Logo

5. Power input LED

6. 100BaseFX (SC/ST connector) port

7. FX port’s 100 Mbps LED

8. FX port’s FDX/COL LED

9. TP port’s 100 Mbps LED

10. 10/100BaseT(X) port

11. TP port’s 10 Mbps LED

12. DIN-Rail kit

NOTE: The IMC-21 series includes

IMC-21-M-SC, IMC-21-M-ST, and

IMC-21-S-SC.

- 4 -

Mounting Dimensions

IMC-21 series (10/100BaseT(X) to 100BaseFX)

DIN-Rail Mounting

The plastic DIN-Rail attachment plate should already be fixed to the rear

panel of IMC when you take it out of the box. If you need to reattach the

DIN-Rail attachment plate to IMC, make sure the DIN-Rail kit is situated

towards the top, as shown in the figures below.

STEP 1:

Insert the top of the DIN

-Rail into

the slot.

STEP 2:

The DIN

-Rail attachment unit will

snap into place as shown below.

To remove Moxa IMC-21 from the

DIN

-Rail, insert a flat-blade screw

driver horizontally into the DIN

-Rail

kit under the IMC

21, and then pull it

upwards and release IMC towards you

away from the DIN

-Rail.

- 5 -

Wiring Requirements

ATTENTION

Safety First!

Be sure to disconnect the power cord before installing and/or

wiring your Moxa

Industrial Media Converter.

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 rating, the wiring could

overheat, causing serious damage to your equipment.

You should also pay attention to the following points:

•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 that shares similar electrical characteristics can be

bundled together.

•Keep input wiring and output wiring separated.

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

when necessary.

Grounding Moxa Industrial Media Converter

Top View

Front View

Grounding and wire routing help limit the effects

of noise due to electromagnetic interference

(EMI). Run the ground connection from the right

most

connector of the 3-

contact terminal block to

the grounding surface prior to connec

ting

devices.

ATTENTION

This product is intended to be mounted to a well

-grounded

mounting surface such as a metal panel.

- 6 -

Wiring the Power Inputs

The two left-most contacts of the 3-contact terminal block connector on

IMC’s top panel are used for IMC’s DC or AC inputs. Top and front views of

one of the terminal block connectors are shown here.

Top View

Front View

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 IMC’s top panel.

Communication Connections

IMC-21 has one 10/100BaseT(X) Ethernet port.

RJ45 Ethernet Port Connection

The 10/100BaseT(X) port located on IMC’s front panel are used to

connect to Ethernet-enabled devices.

Below we show pinouts for both MDI (NIC-type) and MDI-X

(HUB/Switch-type) ports, and also show cable wiring diagrams for

straight-through and cross-over Ethernet cables.

MDI Port Pinouts

MDI-X Port Pinouts

8-pin RJ45

Signal

Tx+

Tx-

Rx+

Rx-

Signal

Rx+

Rx-

Tx+

Tx-

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

Wiring

- 7 -

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

Fiber Optical Port Connection

The concept behind the SC/ST port and cable is quite straightforward.

Suppose you are connecting devices I and II. Contrary to 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 transmit data from device

II to device I, for full-duplex transmission.

All you need to remember is 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).

SC-Port Pinouts

SC-Port to SC-Port Cable Wiring

ST-Port Pinouts

ST-Port to ST-Port Cable Wiring

ATTENTION

This is a Class 1 Laser/LED product. To avoid causing serious

damage to your eyes, do not stare directly into the Laser Beam.

- 8 -

DIP Switch Settings

IMC-21 Series (10/100BaseT(X) to 100BaseFX)

DIP Switch 1 (Default OFF: FDX)

FDX: Fiber port in full duplex mode

HDX: Fiber port in half duplex mode

DIP Switch 2 (Default OFF: LFP)

LFP: Enables LFP (Link Fault Pass-Through) for 100BaseFX

LFP DIS: Disables LFP for 100BaseFX

DIP Switch 3 (Default OFF: FDX)

FDX: TP port at full duplex mode

HDX: TP port at half duplex mode

DIP Switch 4 (Default OFF: 100)

100: TP port at 100 Mbps

10: TP port at 10 Mbps

DIP Switch 5 (Default OFF: AUTO)

AUTO: TP port in AUTO (auto-negotiation) mode

FORCE: Force TP port into 10M or half duplex mode

After changing the DIP switch setting, you will need to power off and then

power on the IMC-21 to activate the new setting.

LED Indicators

The front panel of Moxa Industrial Media Converter contains several LED

indicators. The function of each LED is described in the table below.

IMC-21 series (10/100BaseT(x) to 100BaseFX)

LED

Color

State

Description

AMBER

Power is being supplied to the power input.

Off

Power is not being supplied to the power

input.

100M

(FX) GREEN

FX port’s 100 Mbps link is active.

Blinking

Data is being transmitted at 100 Mbps.

Off

FX Port’s 100 Mbps link is inactive.

FDX/COL

(FX)

GREEN

100BaseFX port is transmitting in full

duplex mode.

Blinking

A data collision has occurred.

Off

100BaseFX port is transmitting in half

duplex mode.

100M

(TP)

GREEN

TP port’s 100 Mbps link is active.

Blinking

Data is being transmitted at 100 Mbps.

Off

TP port’s 100 Mbps link is inactive.

10M

(TP)

GREEN

TP port’s 10 Mbps link is active.

Blinking

Data is being transmitted at 10 Mbps.

Off

TP port’s 10 Mbps link is inactive.

- 9 -

LFP DIP switch is set to “LFP” mode:

Device1

TP LED

DUTA TP

LNK LED

DUTA FO

LED

DUTB FO

LED

DUTB TP

LNK LED

Device 2

TP LED

TP1

Faulted

OFF

F1 Faulted

OFF

F2 Faulted

OFF

TP2

Faulted

OFF

LFP DIP switch is set to “DIS” mode:

Device1

TP LED

DUTA TP

LNK LED

DUTA FO

LED

DUTB FO

LED

DUTB TP

LNK LED

Device 2

TP LED

TP1

Faulted

OFF

F1 Faulted

OFF

F2 Faulted

OFF

TP2

Faulted

OFF

Auto MDI/MDI-X Connection

The Auto MDI/MDI-X function allows users to connect Moxa Industrial

Media Converter’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 that you can use either a straight-through cable

or cross-over cable to connect IMC to Ethernet devices.

- 10 -

Dual Speed Functionality and Switching

Moxa Industrial Media Converter’s 10/100 Mbps switched RJ45 port auto

negotiates with the connected device for the fastest data transmission

rate supported by both devices. All models of Moxa Industrial Media

Converter are plug-and-play devices, so that software configuration is not

required during installation, or for maintenance. The half/full duplex

mode for the switched RJ45 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.

Auto-Negotiation and Speed Sensing

Moxa IMC-21 series’ RJ45 Ethernet port supports auto-negotiation in

10BaseT and 100BaseT(X) modes, with operation governed by the IEEE

802.3u standard. This means that some nodes could be operating at 10

Mbps, while at the same time, other nodes are operating at 100 Mbps.

Auto-negotiation takes place when an RJ45 cable connection is made, and

then each time a LINK is enabled. Moxa Industrial Media Converter

advertises its capability for using either 10 Mbps or 100 Mbps

transmission speeds, with the device at the other end of the cable

expected to advertise similarly. Depending on what type of device is

connected, this will result in agreement to operate at a speed of either 10

Mbps or 100 Mbps.

If a Moxa Industrial Media Converter 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 802.3u standard.

Specifications

Technology

Standards

IEEE802.3, 802.3u, 802.3x

Interface

RJ45 Port

10/100BaseT(X)

Fiber Port

100BaseFX (SC, ST connectors available)

LED Indicators

Power, 10/100M (TP port), 100M (Fiber port),

FDX/COL (Fiber port)

DIP Switch

TP port’s connection speed and Half/Full duplex

mode and Force/Auto mode are DIP switch

selectable

Fiber connection’

s Half/Full duplex mode is DIP

switch selectable

Link Fault Pass-Through (LFP) is also DIP

switch selectable

Fiber Optics

Multi-mode

(100BaseFX)

Single mode

(100BaseFX)

Distance, km

Wavelength, nm

1300

1310

Min. Tx Output, dBm

-20

-5

Max. Tx Output, dBm

-14

Sensitivity, dBm

-34 to -30

-36 to -32

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