Moxa Technologies INJ-24A Series Manuel

P/N: 1802000240020

Moxa High-Power PoE+ Injector

INJ-24A Series

Hardware Installation Guide

First Edition, October 2012

- 2 -

Overview

The Moxa INJ-24A Series high-power PoE+injector is a 1-port PoE+

injector that delivers both data and electrical power to Ethernet-enabled

devices using a single Ethernet cable. The INJ-24A can supply up to 36

watts of power in 2-pair mode or 60 watts in 4-pair mode through the

Ethernet port, and can power IEEE 802.3af/at compliant powered devices

(PD), such as wireless access points or IP cameras, eliminating the need

for additional wiring. The INJ-24A supports Gigabit communication, which

is vital for high-speed and low-latency applications. The INJ-24A also

offers a wide operating temperature range of -40 to 75°C, and is designed

to withstand a high degree of vibration and shock. An innovative

hardware design enhances the INJ-24A with flexible options of Mode A

and Mode B PoE powering modes. This makes the INJ-24A perfect for

outdoor field installation of M12-connector wireless APs and IP cameras

which only have 4 pins in the cable. In addition, the INJ-24A can resist

3KV surges from the PoE port, protecting system operations in critical

industrial environments, and complies with CE/FCC and UL standards for

safety.

Wiring Requirements

WARNING

Do not disconnect modules or wires unless the power supply has

been switched off o

r 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. Thus, they may only be connected to

the supply voltage connections and to the signal contact with the

Safety Extra

-Low Voltages (SELV) in compliance with IEC

60950-1/EN 60950-1.

WARNING

The power for this product is intended to be supplied by a Listed

Power Unit, with output marked LPS, and rated to deliver 24 DC

at a maximum of 3.72 A.

WARNING

This unit is a built

-in type. When the unit is installed in another

piece of equipment, the equipment enclosing the unit must

comply with fire enclosure regulation IEC 60950

-1/EN60950-1

(or similar regulation).

- 3 -

WARNING

Safety First!

Be sure to disconnect the power cord before

installing and/or

wiring your Moxa PoE injector. 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 ratin

gs, 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 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.

Package Checklist

The Moxa INJ-24A Series is shipped with the following items. If any of

these items is missing or damaged, contact a Moxa customer service

representative for assistance.

•Moxa INJ-24A High-Power PoE+ Injector

•Hardware Installation Guide

•Moxa Product Warranty Statement

Features

High Performance Technology

•10/100/1000BaseT(X)

•Provides up to 36 watts (2-pair mode) or 60 watts (4-pair mode) per

PoE port

•Built-in 24/48 VDC booster for PoE and PoE+

Innovative Easy Installation

•Selectable PoE Mode A and Mode B connection options

•SmartPoE LED indication

- 4 -

Rugged Design

•Active PoE short-circuit and current-overloading protections

•Auto PoE device detection and classification

•3 KV PoE surge resistance

•Redundant dual power inputs

•Operating temperature range from 0 to 60°C, or extended operating

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

•IP30, rugged high-strength case

•DIN-Rail or panel mounting ability

Panel Layout

1. Terminal block for P1/P2 power inputs

2. Power input P1 LED

3. Power input P2 LED

4. 10/100/1000BaseT(X) data port

5. SmartPoE LED indicator (PoE status)

6. PoE power output mode LED

7. 10/100/1000BaseT(X) PoE output port

8. Model name

9. Grounding screw

10. Screw hole for wall mounting kit

11. DIN rail mounting kit

12. DIP switches

13. Terminal block for P1/P2 power inputs

- 5 -

Mounting Dimensions (unit = mm)

- 6 -

DIN-Rail Mounting

The DIN rail attachment plate should already be fixed to the back panel of

INJ-24A 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

ail into the

slot just below the stiff metal spring.

STEP 2:

The DIN r

ail attachment unit will

snap into place as shown below.

To remove the INJ-24A from the DIN rail, simply reverse steps 1 and 2

above

Wall Mounting (optional)

For some applications, you will find it convenient to mount the INJ-24A on

the wall, as shown in the following figures.

STEP 1: Remove the aluminum

DIN rail attachment plate from the

INJ

-24A’s rear panel, and then

attach the wall mount plates as

shown in the diagram to the right.

STEP 2: Mounting the INJ-24A 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.

NOTE

Before tightening the 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 tighten

the screws completely—leave about 2 mm to allow

room for sliding the wall mount panel between the wall and the

screws.

- 7 -

STEP

3: Once the screws are fixed

on 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.

Grounding the INJ-24A

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.

ATTENTION

This product is intended to be mounted to a well

-grounded

mounting surface, such as a metal panel.

Wiring the INJ-24A’s Power Outputs

The 4-contact terminal block connector on the INJ-24A’s top panel is used

for dual 24/48 VDC power inputs. Top and front views 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 ter

minal block receptor, which is located on the

INJ

-24A’s top panel.

NOTE

Both V1+ and V2+ are internally connected. Incorrect cabling

may cause device damage.

- 8 -

DIP Switch Settings

The default setting for each DIP switch is OFF.

The following

table explains the effect of

setting the DIP switches to the ON positions.

DIP Switch Setting Description Max

Output

Power

802.3af (ON)

The INJ-24A is forced to

802.3af mode and only accepts

IEEE 802.3af standard devices.

15.4 watts

802.3af/at

(OFF)

The INJ-24A automatically

detects the standard, for both

IEEE 802.3af and IEEE 802.3at

standard devices.

Std PoE: 30

watts

Hi PWR:

36 watts

Hi PWR (ON)

The INJ-24A is set to support

high power output.

36 watts

Std. PoE

(OFF)

The INJ-24A only provides

standard PoE power output.

802.3af:

15.4 watts

802.3af/at:

30 watts

4-pair (ON)

The INJ-24A provides power via

both data pair (pin 1, 2, 3, and

6) and phantom pair (pin 4, 5,

7, and 8).

60 watts

2-pair (OFF) The INJ-

24A provides power via

data pair or spare pair.

See DIP

Switch 1

and 2

Mode A (ON)

The INJ-

24A provides power via

data pair (pins 1, 2, 3, and 6).

See DIP

Switch 1

and 2

Mode B

(OFF)

The INJ-

24A provides power via

spare pair (pins 4, 5, 7, and 8).

See DIP

Switch 1

and 2

- 9 -

Smart PoE LED Indicators

Two SmartPoE LEDs indicate the current status between PSE and PD and

the power output mode of the INJ-24A. The following table shows the

details about these SmartPoE LEDs.

LED

Color

State

Description

P1, P2 Amber

Power is being supplied to power input P1

/P2

OFF

Power is not being supplied to power input

P1 / P2

802.3af/at

(SmartPoE)

Green

802.3at connection

Blinking

PoE current overloading

OFF

No PoE power output

Amber

802.3af connection

Blinking

PoE current overloading

OFF

No PoE power output

4-pair

mode

Green

4-pair mode PoE power output

OFF

2-pair mode PoE power output

Note: If INJ-24A is in 4-pair mode but with a 2-pair mode PD, the

802.3af/at LED will always be green.

Specifications

Technology

Standards

IEEE 802.3, 802.3u, 802.3ab, 802.3af, 802.3at

Interface

RJ45 Ports

10/100/1000BaseT(X) speed

LED Indicators

P1, P2, 802.3af/at, 4-pair mode

Power

Input Voltage

24/48 VDC (21.6 to 57 VDC)

Input Current

Max. 3.72 A @ 24 VDC (in 4-pair maximum

output state)

Connection

Removable 4-contact terminal block

Overload Current

Protection

5 A

Reverse Polarity

Protection

Present

PoE Port

Maximum Power Output

Standard mode:

802.3af: 15.4 watts

802.3af/at: 30 watts

High-power mode: 36 watts

4-pair mode: 60 watts

Surge Resistance

3 KV

Connection Type

Mode A (power on pins 1, 2, 3, and 6) and Mode

B (power on pins 4, 5,7, and 8) selectable by

DIP switch

Mechanical

Housing

IP30 protection, plastic case

Dimensions

115 × 30.3 × 78.8 mm (H x W x D)

Weight

245 g

Installation

DIN-Rail, wall mounting

- 10 -

Environmental Limits

Operating Temperature

Standard Models: 0 to 60°C (32 to 140°F)

Wide Temp. Models: -40 to 75°C (-40 to 167°F)

Storage Temperature

-40 to 85°C (-40 to 185°F)

Ambient Relative

Humidity

5 to 95% (non-condensing)

Regulatory Approvals

EMI

FCC Part 15, CISPR (EN 55022) class A

EMS EN 61000-4-2 (ESD), Level 3

EN 61000-4-3 (RS), Level 3

EN 61000-4-4 (EFT), Level 3

EN 61000-4-5 (Surge), Level 3

EN 61000-4-6 (CS), Level 3

EN 61000-4-8, Level 5

Shock

IEC 60068-2-27

Freefall

IEC 60068-2-32

Vibration

IEC 60068-2-6

Warranty

Time Period

5 years

Details

www.moxa.com/warranty

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

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