DMSI PMF31855 User manual

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PMF31855
Stand-Alone Gigabit Ethernet
PoE Media Converter
DMSI Media Converter, Power Over Ethernet PoE,
10/100/1000Mbps, RJ45 to Duplex LC SFP,
850nm wavelength, 550 meter distance
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You can also nd the manual online at:
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CONTENT
Overview
Introduction
Cables
Specications
Packing List
Safety Precaution
Hardware Description
Front Panel
Back Panel
Bottom View
LED Indicators
DIP Switch
Fiber Port
Cabling
Network Connection
Installation
Troubleshooting
1
1
2-3
3
3
4
4
5
6
7-10
11
12
13
14-16
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OVERVIEW
INTRODUCTION
The PMF31855 media converter allows the user to connect ber
to copper to power PoE devices. Product features a UTP RJ45
port, and an SFP port loaded with SFP-MF855. The optical port
is customizable with the use of a swappable SFP for single or
multimode applications. Converter is auto sensing between 10, 100
and 1000mbps bandwidths, and each unit includes an AC power
cord for internal power, and PSE controller to output power into CAT
twisted pair cable to power devices. The converter has Powered
Device (PD) reset capability, the breakdown of the ber link can
disablePSEpoweroutputontheUTPportfor≈2secondsforthe
powered device to reset.
Please notify your sales representative immediately if any of the
items are missing or damaged.
CABLES
DMSI recommends using high quality, low loss bend insensitive
berpatchcordswithmediaconvertersolutions.Bendinsensitive
berprovidesauserfriendlysolutionforFTTDapplications,andis
very forgiving if bent in tight spaces. Recommend LC duplex to LC
duplex part numbers are:
Multimode:
For use with 62.5µm OM1: 3131002F2N9xxxM
For use with 50µm OM2/3: 3131002G2A9xxxM
Single-mode:
For use with SM OS2: 3131002Y2Y9xxxM
Replace xxx with required length in meters (three digits).
1

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OVERVIEW
SPECIFICATIONS
TechnicalSpecications
Standard Protocol
IEEE 802.3q
IEEE 802.3z 1000Base-TX/FX standard
IEEE 802.3 af Interface
Operation Mode Full /Half duplex mode
Connectors
UTP: RJ-45
Fiber connector: SFP
AC-inlet connector
RJ-45 Interface e transmission media adopts CAT5 twisted-pair with maximum
length of 100 meter (330 feet).
Fiber Interface e SFP ber interface is a duplex mode type which includes a pair
of optical transceivers: TX and RX.
Power Supply Interface e AC power supply is connected to AC input jack of media
converter through the attached AC power cable.
Environmental
Parameters
Work Temperature 0°C~50°C (32 °F ~ 122°F)
Storage Temperature -40°C~70°C (-40 °F ~ 158°F)
Humidity 5%~90% non-condensing
TP Cable Cat 5e, 6, 6A UTP or STP cable
Fiber Cable Multimode: 50/125, 62. 5/125, 100/140μm
Dimension 95mm(L) x 71.5mm(W) x25.4mm(H)
Warranty Lifetime
Mean Time
Between Failure 114,000 hours
TAA Compliant Ye s
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Connector type SFP
Fiber type Multimode
Wavelength 850nm
Max Distance 62.5µm: 224m
50µm: 550m
Min Tx PWR -11.0dBm
Max Tx PWR -6.0dBm
Sensitivity < -18dBm
Link Budget 7.0dBm
PACKING LIST
1 - 10/100/1000 PoE Media Conveter
1 - SFP-MF855
1 - QR Code Card (online access to PMF31855 manual)
1 - Power Supply
SAFETY PRECAUTION
Attention! If DC voltage is supplied by an external circuit, please
use a protection device on the power supply input.
OVERVIEW
SPECIFICATIONS
FiberTechnicalSpecications
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HARDWARE DESCRIPTION
FRONT PANEL
BACK PANEL
Power Supply Port
RJ-45 Port
LED Indicators
Duplex LC SFP
DIP Switch
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The larger top label on each converter, contains a serial number,
description, power information, and part number. The serial
number breakdown is provided by year, month, day, and a 4 digit
number.Serialnumberscan’trepeatastheyaretiedtospecic
dates.Thisformatcanbemodiedpercustomerrequirement.
HARDWARE DESCRIPTION
BOTTOM VIEW
Serial Number
20190306XXXX
Year Month Day Number MEDIA CONVERTER
Type: PoE 10/100/1000M 850nm SFP 1 *RJ45
Power: DC 52V 1.25A
PN: PMF31855
20190306XXXX
DMSI : 20633
Bottom view of media converter
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LED Indicators
There are six LED on the front view of PoE Gigabit SFP Converter;
eachofthemhasitsownspecicmeaningasshowninthetable
below.
LED Indicator Lamp Status Explanation
Fx/Act On Lit when FX connection is good.
O Blinks when FX data is transmitting.
Tx Link/ Act On Lit when TP connection is good.
O Blinks when TP data is transmitting.
FDX On Lit when TP connection is good.
O Blinks when TP data is transmitting.
Power On Lit when power is coming up.
1000 On Transfer rate of electric interface is 1000Mbps.
PoE On Lit when PoE is working.
HARDWARE DESCRIPTION
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HARDWARE DESCRIPTION
DIP Switch
TheDIPswitchisusedtocongureoperationmodeforLLF(Link
Loss Forwarding) and operation mode for UTP/Fiber port. The
default value of DIP switch is OFF.
2) Jumbo Frame
1) Stand-by Mode
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HARDWARE DESCRIPTION
DIP Switch
Jumbo frames can raise the eciency of Ethernet and network
processing in hosts by reducing the overhead, as seen in the
followingexamplewithTCPoverIPv4.Theprocessingeciencyof
the hosts can increase by the ratio of the payloads (approximately
6timesimprovementinthisexample).Whetherthisissignicant
depends on how packets are processed in the host. Hosts that use a
TCPooadenginewillreceivelessbenetthanhoststhatprocess
frames with their CPU.
Frame Type MTU Layer 1 Overhead Layer 2 Overhead
Standard 1500 Preamble
8 byte
IPG
12 byte
Frame Header
14 byte
FCS
4 byte
Jumbo 9000 Preamble
8 byte
IPG
12 byte
Frame Header
14 byte
FCS
4 byte
Layer 3 Overhead Layer 4 Overhead Payload Size Tot al
Transmitted Eciency
IPv4 Header
20 byte
TCP Header
20 byte 1460 byte 1538 byte 94.93%
IPv4 Header
20 byte
TCP Header
20 byte 8960 byte 1938 byte 99.14%
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HARDWARE DESCRIPTION
DIP Switch
3) LFP
LFP (link fault pass through) means the link fault on local side media
converter will be passed to the media converter on the remote side.
For instance if the media converter on the local side has the TP link
loss, the media converter will disconnect the link of transmit on
ber.Ontheremoteside,themediaconverterwillknowthereis
the linkage error and also disconnect the TP link. The LFP function
can immediately alarm network administrators of a link problem.
The LFP function includes the LLCF(link loss carry forward) and LLR
(Link loss return) function.
When the TP line of the media converter loses the link, the media
converter’s ber will disconnect the link of transmit, so that the
other side media converter will know that there is a link error. When
themediaconverter’sberlinelosesthelink,theconverter’sTPwill
disconnect, and the media converter on the other side will know
that there is a link problem. LLR(Link loss return) means when
there is a device (Ethernet switch or router) connected to the media
converter and the ber line loses the link, the media converter’s
berwilldisconnectthetransmitlink.
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HARDWARE DESCRIPTION
DIP Switch
4) Video Application
For Video Applications such as CCTV, Video Streaming, Broadcasting.
5) 100M
100Mbps/For Faster Speed Data Transmission Application, SFP
module must also be 100M.
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HARDWARE DESCRIPTION
Fiber Port
PMF31855uses850nmwavelength.Whenyouconnecttheber
port to another one, please follow the gure below to connect
accordingly. Wrong connection will cause the port to work incorrectly.
Cable Wiring (LC to LC)
Tx A ---------------------------- A Rx
Tx B ---------------------------- B Rx
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HARDWARE DESCRIPTION
Cabling
Twisted-pair segments can be connected with unshielded twisted
pair (UTP) or shielded twisted pair (STP) cable. The cable must
comply with the IEEE 802.3u 1000Base TX standard for Category
5. The cable between the converter and the link partner (converter,
switch, hub, workstation, etc.) must be less than 100 meters (328
ft.) long.
Fiber segment using multi-mode connector type must use 50 or
62.5/125μmmulti-modeber.Usercanconnecttwodevicesupto
550M distance.
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NETWORK CONNECTION
10/100/1000 Mbps port
(RJ-45 Connector)
at switch or end station
UTP
UTP
LC to LC Multimode Fiber up to 550M
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NETWORK CONNECTION
Installation
1. PrepaberopticpatchcordforinstallationintotheSFPPort,
by cleaning with a lint free wipe, and inspecting the end face
for cleanliness.
2. Using an LC 1.25mm cleaning stick, clean the SFP optical port.
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3. PlugtheberpatchcordintotheSFPport,anaudible“click”
soundshouldbeheard.Theberconnectionsmustbematched:
transmit socket to receive socket.
4. Attach a UTP copper patch cable from the TP network device to
the RJ45 port on the Converter.
NETWORK CONNECTION
Installation
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5. Plugthepowercordintotheconverterrstthenconnecttothe
wall or power outlet. Check if the Power LED lights up. The TX
Act and FX Act LEDs will light when all the cable connections
are satisfactory.
NETWORK CONNECTION
Installation
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NETWORK CONNECTION
Troubleshooting
1. Verify that you are using the right power cord/adapter (48-
52VDC). Please don’t use a power adapter with DC output
higher than the power input range as above or it may damage
the device.
2. Select the proper UTP or STP cable to construct your network
based on your bandwidth and performance requirements. Also,
be sure that the length of any twisted-pair connection does not
exceed 100 meters (328 feet).
3. Diagnosing LED Indicators: the unit can be easily monitored
through panel indicators to assist in identifying problems.
Solutions to common problems you may encounter can be found
on page 8.
4. If the power indicator does not light up when the power cord is
plugged in, you may have a problem with power cord. Check for
loose power connections, power losses, or surges at the power
outlet. If you still cannot resolve the problem, contact your local
dealer for assistance at www.dmsimfg.com.
5. If the LED indicators are normal, the connected cables are
correct, and the packets still cannot transmit, check your
system’sEthernetdevices’congurationorstatus.
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Diversied Materials Specialist, Inc (DMSI)
105 Triple Diamond Blvd. Unit 101
Venice, FL 34275
[e-mail]
941-244-0935
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