Moxa IMC-21A-M-SC Specification Guide

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Ethernet Media Converters

Entry-level industrial 10/100BaseT(X) to 100BaseFX media converters

The IMC-21A industrial media converters are entry-level
10/100BaseT(X) to 100BaseFX media converters designed to provide
reliable and stable operation in harsh industrial environments. The
converters can operate reliably in temperatures ranging from -40

Introduction

Specifications

to 75°C. The rugged hardware design ensures that your Ethernet
equipment can withstand demanding industrial conditions. The IMC-
21A converters are easy to mount on a DIN-Rail or in distribution
boxes.

IMC-21A Series

Multi-mode or single-mode, with SC or ST fiber connector

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Link Fault Pass-Through (LFP)

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-40 to 75°C operating temperature range (T models)

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DIP switches to select FDX/HDX/10/100/Auto/Force

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Technology

Standards:
IEEE 802.3 for 10BaseT
IEEE 802.3u for 100BaseT(X) and 100BaseFX
IEEE 802.3x for Flow Control

Interface

RJ45 Ports: 10/100BaseT(X)
Fiber Ports: 100BaseFX (SC/ST connectors)
LED Indicators: Power, 10/100M (TP port), 100M (fiber port), FDX/
COL (fiber port)
DIP Switches: TP port’s 10/100M, Half/Full modes, Force/Auto modes;
fiber port’s Half/Full modes, Link Fault Pass-Through (LFP)

Optical Fiber

100BaseFX

Multi-mode

Single-mode

Distance

5 km, 1300 nm

40 km, 1310 nm

Max. TX Output

-14 dBm

0 dBm

Min. TX Output

-20 dBm

-5 dBm

RX Sensitivity

-34 to -30 dBm

-36 to -32 dBm

Physical Characteristics

Housing: Metal, IP30 protection
Dimensions: 30 x 125 x 79 mm (1.19 x 4.92 x 3.11 in)
Weight: 170 g
Installation: DIN-Rail mounting

Environmental Limits

Operating Temperature:
Standard Models: -10 to 60°C (14 to 140°F)
Wide Temp. Models: -40 to 75°C (-40 to 167°F)
Storage Temperature: -40 to 75°C (-40 to 167°F)
Ambient Relative Humidity: 5 to 95% (non-condensing)

Power Requirements

Input Voltage: 12 to 48 VDC
Input Current:
265 mA @ 12 VDC,
135 mA @ 24 VDC,
75 mA @ 48 VDC
Connection: Removable 3-contact terminal block
Overload Current Protection: 1.1 A
Reverse Polarity Protection: Present

Standards and Certifications

Safety: UL 60950-1
EMC: CE, FCC
EMI: FCC Part 15 Subpart B Class A, EN 55022 Class A
EMS:
EN 61000-4-2 (ESD) Level 3,
EN 61000-4-3 (RS) Level 2,
EN 61000-4-4 (EFT) Level 2,
EN 61000-4-5 (Surge) Level 2,
EN 61000-4-6 (CS) Level 2
Shock: IEC 60068-2-27
Freefall: IEC 60068-2-32
Vibration: IEC 60068-2-6
Green Product: RoHS, CRoHS, WEEE

MTBF

(mean time between failures)

Time: 353,000 hrs
Database: MIL-HDBK-217F, GB 25°C

Warranty

Warranty Period: 5 years
Details: See www.moxa.com/warranty