Moxa Technologies MDS-G4000 Series User manual

P/N: 1802040000005
*1802040000005*
MDS-G4000/MDS-G4000-L3
Series
Quick Installation Guide
Version 1.3, August 2022
Technical Support Contact Information
www.moxa.com/support

2022 Moxa Inc. All rights re served.

- 2 -
Package Checklist
Moxa’s MDS-G4000/MDS-G4000-L3 Series industrial m odular DIN-rail
switch is shipped with the following items. If any of these items are
m issing or damaged, please contact your customer service
representative for assistance.
•1 MDS-G4000 or MDS-G4000-L3 Series s wit ch
•RJ45-to-RS-232 9-pin female console cable
•2 protective caps for unused ports
•Pre-installed DIN-rail kit
MDS-G4012 and MDS-G4012-L3: x 1
MDS-G4020 and MDS-G4020-L3: x 2
MDS-G4028 and MDS-G4028-L3: x 2
•Quick installation guide (printed)
•Substance Disclosure Table
•Pro duct Certificate of Quality Inspection (Sim plified Chinese)
•Pro duct Notices (Sim plifie d Chinese)
•Warranty card
NOTE
You can find information and software downloads on the
relevant p
roduct pages lo c ated on Moxa’s website:
www.moxa.com
Default Settings
•IP address: 192.168.127.253
•Subnet Mask: 255.255.255.0
•Username: admin
•Password: moxa
Panel Layouts
1. Syste m status LEDs (from left to right, top to bottom)
STATE, FAULT, MASTER/HEAD, COUPLER/TAIL, and SYNC LED
indicators
2. USB port (Reserved for future use)

- 3 -
3. Module status
4. Switch and Control module s lot 1 (Embedded)
5. Ethernet m odule s lot 2
6. Ethernet m odule s lot 3
7. Ethernet m odule s lot 4 (Fo r MDS-G4020/28, MDS-G4020/28-L3)
8. Ethernet m odule s lot 5 (Fo r MDS-G4020/28, MDS-G4020/28-L3)
9. External power input status from EPS
10. Ethernet m odule s lot 6 (Fo r MDS-G4028, MDS-G4028-L3)
11. Ethernet m odule s lot 7 (Fo r MDS-G4028, MDS-G4028-L3)
12. External po wer supply input for PoE
13. Redundant power module slot 1
14. Redundant power module slot 2
15. RS232 console port with RJ45 interface
16. Reset button (Pin hole 0.9 mm)
17. Relay output and Digital Input port
18. Relay output
19. Power input
20. Grounding screw
Dimensions
MDS-G4012 and MDS-G4012-L3 Series
MDS-G4020 and MDS-G4020-L3 Series
MDS-G4028 and MDS-G4028-L3 Series
Unit: m m (inc h)

- 4 -
Ethernet Modules (Hardware Rev.2.0.0 and above)
NOTE
Transceivers for the LM-7000H-4GSFP module are sold
separately. Refer to
Supported SFP Module s for list of
supported transceivers.
LM-7000H-4GTX
LM-7000H-4GSFP
LM-7000H-4GPoE
LM-7000H-4TX
LM-7000H-4PoE
Power Modules (Hardware Rev.2.1.0 and above)
NOTE
The PWR-LV-P48 po wer m odule is certified for Hazardous
Location use.
PWR-HV-P48
PWR-LV-P48
PWR-HV-NP
PWR-LV-NP
DIN-rail Dimensions and Instructions
NOTE
The DIN rail kit is certifie d for Hazardous Location usage.
MDS-G4012 and MDS-G4012-L3 Series

- 5 -
MDS-G4020/28 and MDS-G4020/28-L3 Series
1. Insert the upper lip of the DIN rail into the DIN-rail m ounting kit.
2. Press the device towards the DIN rail until it snaps into place.
3. Pull down the two latches one by one to release the DIN-rail kit
and lift up to rem ove the device from the DIN rail.
NOTE
The DIN rail m us t us e the TS35 (15 mm) specification.
Wall-mounting Dimensions and Instructions
(Optional: WK-112-01)
NOTE
The wall-m ount kit is certified for Hazardous Location usage.
Mounting the switch to a wall requires
four
screws. The
heads of the screws should be between 6.0 to
9
.0 mm
in diam eter, and the diameter of screw thread should
be between 3.5 to 4 mm, as shown in the figure on the
right
. Use the switch with the wall-m ounting kit
attached as a guide to m ark the c orrect loc ations of
the eight screws.

- 6 -
Rack-mounting Dimensions and Instructions
(Optional: RK-3U-01)
The rack mount kit is designed for two MDS-G4028 or MDS-G4028-L3
products.
1. Assemble the right and left part of the kit (indicated with No. 1 in
the diagram) with four screws each.
2. Assemble the part of the rack kit (indicated with No. 2 in the
diagram ) with e ight screws in order to combine two MDS-G4028 or
MDS-G4028-L3 products.
Rack Mount Top View

- 7 -
Rack Mount Front View
Rack Mount Rear View
Matters That Require Attention
1. Elevated Operating Temperature:If installed in a closed or
m ulti-unit rack assembly, the operating ambient temperature of
the rack environment m ay be greater than room temperature.
Therefore, consideration should be given to installing the
equipment in an environment compatible with the maximum
am bient temperature (Tm a) specified by the manufacturer.
NOTE
In order to ensure reliable operations, please make sure the
operating temp
erature
of the environment does not exceed the
spec. When moun
ting a rack-mo unted s witch with other
operating units in a cabinet without forced ve ntilation, it is
recommended that 1U of space is reserved between each rack
-
m ounted switch and/or device.
2. Required Air Flow: Installation of the equipment in a rack should
be such that the amount of air flow required for safe operation of
the equipment is not compromised.
NOTE
The optimal keep-out zone is 50 mm for the top, bottom, left,
and right side of the device.
3. Mechanical Loading: Mounting of the equipment in the rack
should be such that a hazardous condition is not achieved due to
uneven mechanical loading.
4. Circuit Overloading: Consideration should be given to the
connection of the equipment to the supply circuit and the effect
that overloading of the circuits might have on overcurrent
protection and supply wiring. Appropriate consideration of
equipment nameplate ratings should be used when addressing this
concern.
5. Reliable Grounding: Reliable grounding of rack-mounted
equipment should be maintained. Particular atte ntion should be
given to supply connections other than direct connections to the
branch circuit (e.g. use of power strips).

- 8 -
ATTENTION
Safety First
!
Be sure to disconnect the power cord
before installing and/or
wiring your Ethernet Switch. Calculate the m aximum 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,
which can cause serious damage to
your equipment.
Connecting the Power Inputs
The MDS-G4000 and MDS-G4000-L3 Series s upp ort 4 types of power
supply:
•PWR-HV-P48: one 110/220 VAC/VDC (90 to 264 VAC, 88 to 300
VDC), o ne 48 VDC PoE power input for PoE+ ports.
•PWR-LV-P48: one 24/48 VDC (18 to 72 VDC), one 48 VDC PoE
power input for PoE+ ports.
NOTE
The required power module depends on the choice of LM-7000H
m odule. Refe r to the following power/module combination
requirements.
•
LM-7000H non-PoE modules:
Any po we r m odule
•
LM-7000H PoE modules:
PWR-HV-P48, PWR-LV-P48 only
NOTE
The PWR
-LV-P48 power m odule is certified for Hazardous
Location use.
•PWR-HV-NP: one 110/220 VAC/VDC (90 to 264 VAC, 88 to 300
VDC) power input.
•PWR-LV-NP: one 24/48 VDC (18 to 72 VDC) power input.
For the PWR-HV-P48, the 110/220 VAC/VDC power supplies provide
power to the switch. Separate 48 VDC power supplies are required to
provide power to all PoE+ ports (50 to 57 VDC is recommended for
IEEE 802.3at devices. The max. PoE output from an external power
supply is 720 W when the operating temperature is under 60°C; 360 W
when the operating temperature is under 75°C.).
For the PWR-LV-P48 m odels, the 24/48 VDC power supplies provide
power to the switch. Separate 48 VDC power supplies are required to
provide power to all PoE+ ports (50 to 57 VDC is recommended for
IEEE 802.3at devices. The max. PoE output from an external power
supply is 720 W when the operating temperature is under 60°C; 360 W
when the operating temperature is under 75°C.).

- 9 -
ATTENTION
F
or Hazardous Location Use
The
PoE capacity of the PWR-LV-P48 is only certified for use in
h
azardous locations up to a maximum power budget of 369.6
W and a m axim um o utput o f up to 15.4 W per port.
For the PWR-HV-NP, the 110/220 VAC/VDC power supplies provide
power to the switch.
For the PWR-LV-NP, the 24/48 VDC power supplies provide power to
the switch.
Power Terminal Blocks
The connection for power input and PoE external power supply is on the
power modules.
PWR-HV-P48/PW R-HV-NP
1. Insert the neutral/line (L/N/Ground) AC wires into the terminals.
2. Insert the terminal block connector into the terminal block
receptor.
PWR-LV-P48/PWR-LV-NP
1. Rem ove 8 to 9 mm of the DC wires ’ protective cover.
2. Use a tool to push the spring mechanism inwards to open it.
3. Inse rt the negative/positive (-/+) DC wires into the terminals.
4. Release the spring mechanism.
5. Insert the terminal block connector prongs into the terminal block
receptor.

- 10 -
PoE Power Terminal Blocks
1. Rem ove 8 to 9 m m of the DC wire s’ protective cover.
2. Use a tool to push the spring mechanism inwards to open it.
3. Insert the negative/positive (-/+) DC wires into the terminals.
4. Release the spring mechanism.
5. Inse rt the terminal block connector prongs into the terminal block
receptor.
NOTE
In order to have higher levels of protection against surge, it is
suggested to install a
surge protector in front of the power
input
of the PoE powered device so that it is suitable for use in
IEC 61850 conditions.
NOTE
When wiring the power input, we suggest using the cable type -
AWG (Am erican Wire Gauge) 1
6-20 (1.31-0.519 mm2 ) and the
corresponding pin type cable te rminals. The rated temperature
of wiring should be at least 105°C.
NOTE
When wiring the
PoE power input, we suggest using the cable
type
- AWG (Am erican Wire Gauge) 16 (1.31 mm2) and the
corresponding pin type cable te rminals. The rated temperature
of wiring should be at least 105°C.
NOTE
When two power units are installed on the switch, both power
units will be activated simultaneously, which will enable power
redundancy.
NOTE
The reve rse power input connection will not activate the device
or PoE input
. In addition, the PoE will only activate when the
external power supply is installed on the same power unit.
Wiring the Relay Contact
Each power module has one relay output that can provide two types of
relay output. Refer to the table below for detailed information.
The relay contact is used to detect user-configured events. Two wire s
are attached to the relay pins with normally close and normally o pen
options.
1. Rem ove 8 to 9 m m of the DC wires’ protective cover.
2. Use a tool to push the spring mechanism inwards to open it.
3. Inse rt the wires into the terminals.
4. Release the spring mechanism.
5. Inse rt the terminal block connector prongs into the terminal block
receptor.

- 11 -
FAULT:
The relay contact of the 3-pin terminal block connector is used to detect
user-c onfigured e vents. The module provides normally open and
norm ally closed circuits depending on what the user chooses. For pin
de finitions refer to the table below.
Relay Connection
Power Off
Boot up Ready
Event Trigger
NO and COM
Closed Circuit
Open Circuit
Closed Circuit
NC and COM
Open Circuit
Closed Circuit
Open Circuit
NOTE
When wiring the relay contact, we suggest using the cable type
-
AWG (Am e rican Wire Gauge) 16-20 (1.31-0.519 mm2) and
the corresponding pin type cable te rminals. The rate d
tem perature of wiring should be at least 105°C.
Digital Input/Output
Digital Output
1 relay output with current carrying capacity of 2 A @ 30 VDC
NOTE
For Hazardous Location certified models, the current carrying
capacity is 1 A @ 30 VDC.
Digital Input
1 digital output with the same ground, but electrically isolated from the
electronics
•+13 to +30 V for state 1
•-30 to +1 V for state 0
•Max. input current: 8 mA
Wiring the Digital Input/Output
NOTE
When wiring the digital input, we suggest using the cable type -
AWG (Am erican Wire Gauge)
16-24 (1.31-0.205 mm2 ) and the
corresponding pin type cable te rminals. The rated temperature
of wiring should be at least 105°C.
1. Rem ove 8 to 9 m m of the DC wires’ protective cover.
2. Use a tool to push the spring mechanism inwards to open it.
3. Inse rt the wires into the terminals.
4. Release the spring mechanism.
5. Inse rt the terminal block connector prongs into the terminal block
receptor.
Installing and Removing the Ethernet Modules
The Ethernet modules are hot-swappable for the same module type.
You have the option to mount or remove the Ethernet m odule while the
de vice is operating.
NOTE
When performing a cold start, you cannot remove and insert
a m odule before booting up as it will cause the module to
initially fail.

- 12 -
NOTE
The de fault m odule is 4GTX, if it is the first tim e yo u are
m ounting a 4TX, PoE, or SFP m odule, please re boot the
switch after inserting it. The hot-swappable func tion, as
de fined above, will only work after the device is rebooted for
the first time.
NOTE
If a diffe rent model type module is changed on the same slot, it
is recommend
ed to reconfigure the settings or reset the device
to default settings after rebooting the switch.
To install an Ethernet module:
1. Insert the Ethernet m odule s traight into the slo t.
2. Fasten the module to the device by tightening the 2 screws. The
tightening torque is 3.5 kgf-cm (0.35 Nm).
To remove an Ethernet module:
1. Loosen the 2 screws of the module.
2. Pull the module out of the slot.
3. Inse rt the dummy m odule into the slot in order to have better
protection against dust and EMI.
4. Fasten the dummy module using 2 screws. The tightening torque is
4 kgf-cm (0.4 Nm).
Installing and Removing the Power Modules
The power supply units are hot-swappable when both power m odules
are installed. You have the option to mount or remove the power
supply units while the device is operating.
To install a power module:
1. Inse rt the power unit straight into the slot
2. Fasten the unit to the device by tightening the 2 screws. The
tightening torque is 3.5 kgf-cm (0.35 Nm)
To remove a power module:
1. Loosen the 2 screws of the module
2. Pull the module out of the slot
3. Insert the dummy module in to the slot in order to have better
protection against dust and EMI.
4. Fasten the dummy module using 2 screws. The tightening torque is
4 kgf-cm (0.4 Nm)
NOTE
If one of the modules is removed from the device, it is
advisable to insert a dummy module in order to provide better
protection against dust and EMI.
Grounding the Moxa Industrial DIN-rail 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.

- 13 -
NOTE
Using a shielded cable achieves better electromagnetic
resistance.
NOTE
When grounding, we suggest using the cable type - AWG
(Am eric an Wire Gauge) 16 (1.31 mm
2
).
RS-232 with RJ45 Interface Console Connection
The switch has an RS-232 serial console with an RJ45 interface. Use a
Moxa 9-pin fe m ale console cable to connect to your PC's COM port (or
via USB-to-Serial converters or hubs). You can then use a console
term inal program, such as Moxa’s PComm Terminal Emulator, to access
the console configuration utility of the switch.
RS-232 Setup:
•Baud rate: 115,200
•Data Bits: 8
•Parity: None
•Stop Bits: 1
•Term inal Type: VT100
USB Connection
The USB connection is re served for functions that may be required in
the future.
Pin
Description
1
VCC (+5V)
2
D- (Data-)
3
D+ (Data+)
4
GND (Ground)
The Reset Button (Diameter 0.9 mm)
The reset button can perform two functions. One is to reset the switch
to factory default settings and the other is to reboot the switch if the
button has been depressed and release immediately.
Reset to Factory Default Settings
Depre ss the Reset button for five seconds to load the factory default
settings. Use a pointed object, such as a straightened paper clip or
needle (the diameter must not exceed 0.9 mm), to depress the Reset
button. When you do so, the STATE LED will start to blink about four
tim e s per second. Continue to depress the STATE LED until it begins
blinking m ore rapidly; this indicates that the button has been depressed
for five seconds and you can release the Reset button to load factory
de fault settings.
NOTE
DO NOT power off the switch when loading default settings.

- 14 -
LED Indicators
The function of each LED is described in the table below.
LED
Color
State
Description
System LEDs
STA
(STATE)
Green
On
Normal operation.
Blinking
1. The system is booting up.
Off
N/A
Red
On
The system failed to initialize .
FLT
(FAULT) Red
On
1. Switch failed to initialize.
2. EEPROM inform ation e rror.
Blinking When the switch boots up and the
firm ware loads to memory.
Off
The system is operating normally.
M/H
(MSTR/
HEAD)
Green
On When the switch is the Master/Head
of Turbo Ring/Turbo Chain.
Blinking
When the switch is Ring Master/Head
of Turbo Ring/Turbo Chain and the
Turbo Ring/Turbo Chain is broken.
Off
When the switch is not the
Master/Head of this Turbo
Ring/Turbo Chain.
C/T
(CPRL/TAIL) Green
On
1. When the switch enables the
coupling function to form a back-up
path, or
2. When the switch is the tail of
Turbo Chain.
Blinking
This is the switch that enables Turbo
Chain, but the Turbo Chain function
is not working.
Off When the switch disables the
coupling or tail role of Turbo Chain.
SYNC
(Reserved)
Am be r
On
The PTP function is e nabled.
Blinking
The switch receives sync packets.
Off
The PTP function is disabled.
Green On
The PTP function has successfully
converged.
System LED
(E xc e p t
PWR)
Green/
Am be r/
Red
Blinking
The switch is being
discovered/located by the locator
function. The system LEDs include
the STA, FLT, M/H, C/T, and SYNC
LEDs.

- 15 -
SWC-4GTX
LED
Color
State
Description
MS
(Mo dule
State)
Green
On
Normal operation.
Blinking
This m odule is bo oting up.
Off
The m odule is out of s ervice.
Red On
1. The m odule failed to initialize.
2. A m odule designed fo r a different
m odel was inserted.
Copper
(10/100/
1000Mbps)
Green
On When the port is active and links on
1,000 Mbps.
Blinking When the port’s data is being
transmitted at 1,000 Mbps.
Off When the port is inactive or link
down.
Am be r
On
When the port is active and links on
10/100 Mbps.
Blinking
When the port’s data is being
transmitted at 10/100 Mbps.

- 16 -
LM-7000H-4GTX/LM-7000H -4GSFP/LM-7000H-4TX
LED
Color
State
Description
MS
(Mo dule
State)
Green
On
Normal operation.
Blinking
This m odule is booting up.
Off
The m odule is out of s ervice.
Red On
1. The m odule failed to initialize.
2. A m odule designed fo r a different
m odel was inserted.
Copper
(10/100
Mbps)
Green
On When the port is active and links on
at 100 Mbps.
Blinking When the port’s data is being
transmitted at 100 Mbps.
Off Whe n the port is inactive or link
down.
Am be r
On
When the port is active and links on
10 Mbps.
Blinking
When the port’s data is being
transmitted at 10 Mbps.
Off
When the port is inactive or link
down.
Copper
(10/100/
1000Mbps)
Green
On When the port is active and links on
1,000 Mbps.
Blinking
When the port’s data is being
transmitted at 1,000 Mbps.
Off
When the port is inactive or link
down.
Am be r
On When the port is active and links on
10/100 Mbps.
Blinking
When the port’s data is being
transmitted at 10/100 Mbps.
Off
When the port is inactive or link
down.
SFP
(100/1000
Mbps)
Green
On
When the port is active and links on
1,000Mbps.
Blinking
When the port’s data is being
transmitted at 1,000 Mbps.
Off
When the port is inactive or link
down.
Am be r
On
When the port is active and links on
100 Mbps.
Blinking When the port’s data is being
transmitted at 100 Mbps.
Off
When the port is inactive or link
down.

- 17 -
LM-7000H-4GPoE/LM-7000H-4PoE
LED
Color
State
Description
MS
(Mo dule State)
Green
On
Normal operation.
Blinking
The m odule is booting up.
Off
This m odule is out of service.
Red On
1. The module failed to initialize.
2. A
user inserted a module designed
for a different model.
3. When performing a cold start, the
m odule was removed and ins erted
be fore initialization was complete.
EPS
(Exte rnal Power
Supply for
PoE
m odule)
Am be r
On
Normal operation.
Off No external power supply for PoE.
Copper
(10/100
Mbps)
Green
On
When the port is active and links on
100 Mbps.
Blinking
When the port’s data is being
transmitted at 100 Mbps.
Off
When the port is inactive or link
down.
Am be r
On
When the port is active and links on
10 Mbps.
Blinking
When the port’s data is being
transmitted at 10 Mbps.
Off
When the port is inactive or link
down.
Copper
(10/100/
1000Mbps)
Green
On
When the port is active and links on
1,000 Mbps.
Blinking
When the port’s data is being
transmitted at 1,000 Mbps.
Off Whe n the port is inactive or link
down.
Am be r
On
When the port is active and links on
10/100Mbps.
Blinking
When the port’s data is being
transmitted at 10/100 Mbps.
Off
When the port is inactive or link
down.
PoE/PoE+
Green
On
When the port is connected to IEEE
802.3at powered device (PD).
Off
1. When the power is not being
supplied to a powered device (PD), or
2. The port is not connected to an
IEEE 802.3at standard PD.
Am be r
On
When the port is connected to IEEE
802.3af powered device (PD).
Blinking
The PoE power has been s hut o ff
because of low power budget.
Red
On Powered device (PD) detection
failure.
Blinking
When detecting over current or short
circuit on the powered Device (PD).

- 18 -
PWR-HV-P48/PWR-LV-P48
LED
Color
State
Description
EPS (External
Power Supply)
Am ber
On External power is being supplied to
the m odule's EPS input.
Off
No external power supply for PoE.
PWR
Am ber
On
Power is being s upplie d to the
m odule's power input.
Off Powe r is no t being supplie d to the
m odule's power input.
PWR-HV-NP/PWR-LV-NP
LED
Color
State
Description
PWR
Am ber
On
Powe r is be ing supplie d to the
m odule's power input.
Off
Power is not being supplie d to the
m odule's power input.
Specifications
Interface
Gigabit Ethernet
4-ports 10/100/1000BaseT(X)
Console Port
RS-232 console with an RJ45 interface
LED Indicators PWR, EPS, STATE, SYNC, FAULT, MSTR/HEAD,
CPLR/TAIL
Relay Output
2 A @ 30 VDC (for Hazardous Location certified
m odels, the c urrent carrying capacity is 1 A @ 30
VDC.)
Power Requirements
Input Voltage
PWR-HV-P48:
110/220 VDC, 110 VAC, 60 Hz, 220 VAC, 50 Hz,
PoE: 48 VDC
PWR-LV-P48 (certified for Hazardous Location
use):
24/48 VDC
PoE: 48 VDC
PWR-HV-NP:
110/220 VDC, 110 VAC, 60 Hz, 220 VAC, 50 Hz
PWR-LV-NP: 24/48 VDC
Operating
Voltage
PWR-HV-P48:
88 to 300 VDC, 90 to 264 VAC, 47 to 63 Hz, PoE: 46
to 57 VDC
PWR-LV-P48: 18 to 72 VDC (24 to 48 VDC for
Hazardous Location), PoE: 46 to 57 VDC (48 VDC for
Hazardous Location)
PWR-HV-NP:
88 to 300 VDC, 90 to 264 VAC, 47 to 63 Hz
PWR-LV-NP:18 to 72 VDC

- 19 -
Power
Consumption
(without
m odules
consumption)
When using PWR-HV-P48:
110 VDC: 12.43 W
220 VDC: 12.87 W
110 VAC: 13.42 W
220 VAC: 14.08 W
When using PWR-LV-P48:
24 VDC: 12.67 W
48 VDC: 13.2 W
Power
Consumption of
m odule
LM-7000H-4GTX: 3.63 W
LM-7000H-4GPoE: 3.8 W
LM-7000H-4GSFP: 4.8 W
LM-7000H-4TX: 1.85 W
LM-7000H-4PoE: 1.85 W
Input Current
(without
m odules
consumption)
When using PWR-HV-P48/PWR-HV-NP:
110 VDC: 0.11 A
220 VDC: 0.06 A
110 VAC: 0.29 A
220 VAC: 0.18 A
When using PWR-LV-P48/PWR-LV-NP:
24 VDC: 0.53 A
48 VDC: 0.28 A
Peak Inrush
Current
PWR-HV-P48/PW R-HV-NP:
110 VAC: < 10 A (t > 0.1 ms)
220 VAC: < 20 A (t > 0.1 ms)
PWR-LV-P48/PWR-LV-NP:
24 VDC: < 5 A (t > 0.1 ms)
48 VDC: < 10 A (t > 0.1 ms)
Maxim um PoE
Power Output
per Port
36 W
15.4 W certified for Hazardous Location use
Total PoE Power
Budget
Max. 360 W (with one power supply) for total PD
consumption at 48 VDC input for PoE systems
Max. 360 W (with one power supply) for total PD
consumption at 53-57 VDC input for PoE+ systems
Max. 720 W (with two power supplies) for total PD
consumption at 48 VDC input for PoE systems
Max. 720 W (two powers) for total PD consumption at
53-57 VDC input for PoE+ systems
Ov e r lo a d Cu rre nt
Protection
Present
Reverse Polarity
Protection
Present
Physical Characteristics
Ingress
Pro te c tion Rating
IP40 (This rating will only be achieved when the relay
output terminal block and all m odules are installed.)
Dim ensions
MDS-G4012/MDS-G4012-L3 Series:
134 x 115 x 163.25 mm
MDS-G4020/ MDS-G4020-L3 Series:
176 x 115 x 163.25 mm
MDS-G4028/MDS-G4028-L3 Series:
218 x 115 x 163.25 mm

- 20 -
Weight
MDS-G4012/MDS-G4012-L3 Series: 2.00 kg (4.41 lb)
MDS-G4020/MDS-G4020-L3
Series: 2.50 kg (5.51 lb)
MDS-G4028/MDS-G4028-L3 Series: 2.84 kg (6.26 lb)
LM-7000H-4GSFP: 0.3 kg (0.66 lb)
LM-7000H-4GTX: 0.24 kg (0.53 lb)
LM-7000H-4GPoE: 0.31 kg (0.69 lb)
LM-7000H-4TX: 0.24 kg (0.53 lb)
LM-7000H-4PoE: 0.31 kg (0.69 lb)
PWR-HV-P48/PWR-LV-P48: 0.36 kg (0.69 lb)
PWR-HV-NP/PWR-LV-NP: 0.34 kg (0.75 lb)
Installation
DIN-rail m ounting (certified for Hazardous Location
use): Pre-installed by default
Wall m ount (certified for Hazardous Location use):
WK-112-01 (with optional kit)
19'' rack m ounting: RK-3U-01 (optional, only for
combining two 28-port models)
Environmental Limits
Operating
Tem perature
Standard Temperature Models:
-10 to 60°C (14 to 140°F)
•MDS-G4012, MDS-G4012-L3
•MDS-G4020, MDS-G4020-L3
•MDS-G4028, MDS-G4028-L3
Wide Tem perature Models:
-40 to 75°C (-40 to 167°F)
•MDS-G4012-T, MDS-G4012-L3-T
•MDS-G4020-T, MDS-G4020-L3-T
•MDS-G4028-T, MDS-G4028-L3-T
Storage
Tem perature
-40 to 85°C (-40 to 185°F)
Am bie nt Re lative
Hum idity
5 to 95% (non-condensing)
Standards and Certifications
Safety
EN 62368-1, UL 62368-1, IEC 62368-1
EMC
EN 55035/55032
EMI
CISPR 32, FCC Part 15B Class A
EMS
IEC 61000-4-2 ESD: Co ntact: 8 kV; Air: 15 kV
IEC 61000-4-3 RS: 80MHz to 1GHz: 20 V/m
IEC 61000-4-4 EFT: Power: 4 kV; Signal: 4 kV
IEC 61000-4-5 Surge: Power 4 kV; Signal: 4 kV
IEC 61000-4-6 CS: 10V
IEC 61000-4-8 PFMF
IEC 61000-4-11 Voltage Dips & Interruptions
Note: For better conductive radiation immunity, it is recommended to
use a STP cable and install a surge protector at the PoE power input:
EPS.
Rail Traffic
EN 50121-4
Traffic Control
NEMA TS2
Shock
IEC 60068-2-27
Freefall
IEC 60068-2-31
Vibration
IEC 60068-2-6
Hazardous
Location
Class I Division 2, ATEX
Power
Substation
IEC 61850-3, IEEE 1613