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Let me first start by saying that I don't know all the technical
terminoligy when it comes to Fast Ethernet.

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• 
  
  I work for a large company that to date has stuck with the standard Fiber Optic Patch Panel
  for remote sites to leave the switch ports set @ADSL2/2+ 4-Port Router 10 mbps on client
  connections. However, we are fully wired with Cat 5 cabling
  throughout the building and have had our server updated to run at 100
  Full and have found that we Gigabit Local LAN Transmission could get the entire building updated to
  100 on all clients...
  
  The only issue is that change 10/100Mbps 8 Port Fast Ethernet Switch  does not happen easily for us and
  usually we have to justify some type of change with a cost impact or
  analysis that will show a cost savings.
  
  We all know the differences that 16 Port 10/100 Mbps Fast Ethernet Switch with Auto Uplink 10 vs 100 will make to all clients
  when it comes to network resources, but saying that is never enough.
  
  Can anyone direct me to any tools, spreadsheets, ADSL2/2+ Bridge Modem etc that I could use
  to calculate some numbers that could be handed off to managment that
  would help to estimate the average cost savings per user.
  I think the biggest "loss" is productivity 108Mbps 802.11g Wireless Router,108Mbps Wireless Router
   from the missing speed that
  could be there and that you may need to come up with some fudge numbers
  for what a typical task might take 802.11g 108Mbps Wireless Firewall Router
   if their lan connection is 10Mb vs.
  100Mb and quantify the gap between them and assign a $/hr figure to it
  and then multiply that by the number Amplifier Series,Two ways Amplifier of people impacted to get an
  overall cost figure.. I believe that's done all the time by analysts
  when trying to compute these sorts of fuzzy numbers. We do that sort
  of thing all the time for Six Sigma activities Fiber Optic Splice Closures (don't get me started on
  that though!)
  You made one statement that needs to be addressed. You said remote
  site. A question to consider is where your resources such as email
  and file services reside? If all or some of 10/100/1000M Optic Media Converter your resources are remote
  over a WAN connection such as a T1, your numbers will need to be
  adjusted for WAN and or local LAN.
  If the majority of your traffic is between these 10Mb/s clients, then
  an upgrade to 100Mb/s interfaces Fiber Optic Transmission System will certainly make a difference.
  
  But that's not how the traffic at remote sites of large companies
  which stick with "standard" configurations ADSL2/2+ 1-Port Combo Router usually looks.
  
  The majority of traffic at these sites is usually between the clients
  and boxes like the one you described as "our server". ...Or between
  the clients and some systems on the other Fiber Optic Wiring System end of the remote site's WAN
  link.
  
  Are you sure the client NICs are your bottleneck?

How to Find cat5e UTP cable with a stronger Cat5e jacket ?

I've had cat5 cable in the past whose jacket tended to break. It was
30M of so-called patch cable Cat5e Cat6 Modules UTP STP Seiries. Was stranded.
i'm wondering if solid core cat5 cable tend to have stronger jackets.
Or if some cat 5 cables have Cat5e Patch Cables,Cat6 Patch Cords stronger jackets than others.
where can i get a cat 5 cable with a strong jacket ? 30M
it's within the home,
While I've never seen the PVC jacket on CAT3 or CAT5 cable break, I've seen
it on rubber and PVC covered 24 Port 19 Inch Patch Panels audio cables in nightclubs dry out and break
after a few years. I suspect the nicotine from 25 Pot Cat3 Modular Telephone Patch Panels,25 Ports RJ45 Patch Panels all the cigarette smoke
contributed to  that CATV Optical Fiber Transmission.

Other than very, very, very old cable (and CAT5 hasn't been around that
many decades) or cable left in the sun Wall Plate Frame,RJ45 FacePlate, I can't imagine it breaking unless
you have some sort of extreme mechanical stress...in which case solid
conductor cable won't last at all.

With that said, yes...some CAT5 does appear to have a thicker PVC covering for the Cat5e 110 Patch Panel,
but its not predictable when you'll find it. For example I bought six boxes
of grey PVC made by General Cable from Home Depot China Telephone Adapter Manufacturer tree yeas ago and one box
of cable had a jacket that was twice as thick as the other boxes.

On a side note about sunlight damage...white nylon wire ties last one
summer in the hot Texas sun and shatter China Telephone Accessories Manufacturer when the next summer comes along.
Black one are more resistant, but they too will break after several years.
Same with non-outdoor rated PVC Telephone Accessories Manufacturer covered cables.
I think the breaks come from a mindless woman stepping on them.

I think power cords may be more resilient to being 110 Wiring Block trodden on. I've
yet to see the jacket broken on one of those, though they are not
located there the cat 5 is.

A cat5 cable with that kind of jacket Gigabit Local LAN Transmission would be good.

Edison-Questions and Answers for the usage of 5 Point Protector and LPU STG2000 Protection Plugs

Here is Requirement from the customer:5 point protector for Krone Disconnection Module - 10 pcs including 1 grounding rod frame. 5 point protector for STG-2000 Module Kronection Box,DP Box - 10 pcs.  - just to check this does not need grounding? Subscriber Terminal Blocks,Drop Wire Module  and 1 pc of STG2000-Module.  I need this to get it approved immediately.  Also,  need the specifications of the protectorKrone LSA Wiring Systems.

do you have a 5 point protector using diode and GDT as compared with PTC and GDT?used for Digital Distribution Frame.

When install it on the Rack Mount BNC Patch Panel and if you have end users for the China DDF Frame.

All these accessories are used for Disconnection Module.Please find attached sample of 5 point protection using diode such as the TS Series (by Atlantic Scientific).  Network Patch Panels Also, as can be seen in KRONE (page 3 bottom part - Graded 5 point protection) Comprotect brochure.Is the 5 point protector for the STG-2000 the High Density Terminal Blocks same specifications as this?Answer is"Of course,it is".1)    Warranty on the 5 Point Protection Unit.   2)    What is the difference between A & B? (based on the picture on your technical specifications) Main Distribution Frame   Also, I have a meeting with the end-user to discuss regarding the technical issues this afternoon.  Will give you feedbck once I have more information (early next week probably).   Also, please provide our company Optical Distribution Frame with a letter stating our company as the exclusive distributor of your products in the Philippines.  (Part of the requirements for getting the order). 

would like to check what you might need to create / Cat5e Patch Panel,Cat6 Keystone Jack copy the device from Atlantic Scientific, to see if we can incorporate the same design but to be used for the 3m STG-2000 module.  Is this possible?   They use diode, series impedence and GDT as protection.  It is a hybrid multi stage protector.  Copper Connectivity Products Manufacturer From China Please let me know if this is possible, as this is one of the request by the end user

as the one previously sent for 5 point is not using hybrid (GDT, diode and series impedence) but instead only GDT and  .Modular Crimp Tool Manufacturer  Please be advised that the diode protection (should be able to limit voltage to 36V @ 1500V surge based on standard CCITT K17).  This does not use PTC anymore.  This is a multistage protection.Fiber Optic Patch Panels,Fiber Optic Patch Panel,Rack Mount Fiber Optic Patch Panels,Rack Mount Enclosures   Similar to this (see attached brochure).   Customer wants to know if we can manufacture a product similar to this, but for STG-2000 disconnection module.They are asking if we can make it better,Fiber Optic Rack Mount Enclosure,Fiber Rack Mount Enclosure,Rack Mount Fiber Optic Enclosure,19'' Ra the same as the specifications I gave you.    I have a sample of this product, what they would like to know is if we can manufacture this same type of product, but utilizing the STG-2000 plug and Fiber Optic Patch Cord Manufacturer,Fiber Optic Patch Cable,Multimode SC-SC Patch Cord Simplex,Multi(mechanical) since this is the disconnection module they are purchasing.

Differences Between Cat 5 Cable, Cat 5e Cable, and Cat 6 Cable and Specifications

If you're end user researching the different types of 4 Pair twisted-pair copper cable used to transmit data in network and home applications, then it's likely that you will repeatedly come across  Bulk Solid Cat5e Cables,CAT5E 350Mhz Solid Cable - Black PVC,Cat5e Bulk Solid Cables the terms Category 5 (Cat 5), Category 5 and Category 6 . Organizations such as the Telecommunication Industry Association (TIA) and Electronic Industries Association (EIA) set specific product standards, Cat5e UTP Solid Cable,Low cost Cat5e cable for premise wiring and these guidelines have resulted in cables being classified into various categories based on their performance levels. Just in case you're not too familiar with cabling terminology, we at CableOrganizer.com would like to provide you with a few straightforward Cat5e UTP Stranded Cable,Stranded Cat5e cable,Stranded Cat5e UTP cable definitions and statistics on these three common grades of network cable, Cat6 UTP Stranded Cable,Stranded Cat6 Bulk Cable to help you better choose the right one to fit your needs.

• Cat 5: Out of the three types of cable we'll be discussing, Category 5 Bulk Solid Cat5e Cables is the most basic. Cat 5 cable is available in two varieties: Unshielded Twisted Pair (UTP), the type widely used in the United States, and Screened Twisted Pair (SCTP), which has shielding to provide a measure of extra protection against interference, but is rarely used outside of Europe. Cables belonging to Category 5 are either solid or stranded: Solid Cat 5 is more rigid, and the better choice if data needs to be transmitted over a long distance OSP Cables Cat5e UTP Cables, while Stranded Cat 5 is very flexible and most likely to be used as patch cable. Cat 5 cable can support 10 or 100 Mbps Ethernet, and has a capability of up to 100MHz.

• Cat 5e: Cat 5e  Bulk Cables(which stands for Category 5, enhanced) cable goes along the same lines as basic Cat 5, except that it fulfills higher standards of data transmission. While Cat 5 is common in existing cabling systems, Category 5e has almost entirely replaced it in new installations. Cat 5e can handle data transfer at 1000 Mbps, is suitable for Gigabit Ethernet, and experiences much lower levels of near-end crosstalk (NEXT) than Cat 5 Cat5e Cat6 Modules UTP STP Seiries .

• Cat 6: Cat6 Bulk Solid Cables Of the three cable categories we're discussing, Cat5e UTP Cable Category 6 is the most advanced and provides the best performance. Just like Cat 5 and Cat 5e, Category 6 cable is typically made up of four twisted pairs of copper wire, but its capabilities far exceed those of other cable types because of one particular structural difference: a longitudinal separator. This separator isolates each of the four pairs of twisted wire from the others, which reduces crosstalk, allows for faster data transfer, Bulk Stranded PVC CAT5E Cable and gives Category 6 cable twice the bandwidth of Cat 5! Cat 6 cable is ideal for supporting 10 Gigabit Ethernet, and is able to operate at up to 250 MHz. Since technology and standards are constantly evolving, Cat 6 is the wisest choice of cable when taking any possible Cat5e Patch Cables,Cat6 Patch Cords future updates to your network into consideration. Not only is Category 6 cable future-safe, it is also backward-compatible with any previously-existing Cat 5 and Cat 5e cabling found in older installations.

Fiber card used in fiber optic management systems mode under linux

I have a fiber optic tap and two computers under widows/linux with
fiber cards.
The tap gives Fiber Optic Patch Panel a copy of the network stream in two fibers, each
connected to the input diber port of the tho computers.this is the final solutuions for the Fiber to the Premise home as the next generation technologies.

On windows, the network receive packets Fiber Optic Patch Cord and the fiber card is
activated, with just une fiber from an active fiber network.

On linux, even in China Fiber Optic Patch Cord promiscuous mode, ifconfig shows me that the card
isn't in running mode and dosen't receive any packets.

Any idea to force the network card Fiber Optic Splice Closure in running mode? with irconfig or
ethtool?

The fiber card is a "D-Link System Inc DL2000-based Rack Mount Wall Mount Cabinet Gigabit Ethernet"


with ifconfig:
eth2 Link encap:Ethernet FTTH Solutions HWaddr 00:11:95:E4:61:CB
inet adr:10.0.4.2 Bcast:10.0.4.255 Masque:255.255.255.0
UP BROADCAST PROMISC Fiber Optic Splice Trays MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 Main Distribution Frame
dropped:0 overruns:0 carrier:0
collisions:0 lg file transmission:1000
RX bytes:0 (0.0 b) TX Digital Distribution Frame  bytes:0 (0.0 b)
Interruption:209 Adresse de base:0x9400,and how to solve this troubles?

Questions For Over Current Protection For PSTN and PBX Line When Voltage is 150V

there is misunderstanding  not clear for me, for the over current
 I mean  if the  voltage  fitted for  example 160 ac  or less Main Distribution Frame 150 AC  or 140 AC and made contacts with pbx line and pstn line  is the LPU  Main Distribution Frame still   Fiber Optic Patch Panels,Fiber Optic Patch Panel,Rack Mount Fiber Optic Patch Panels,Rack Mount Encl active  and  no damage the   boards inside the pbx and pstn??I need your details  Fiber Optic Rack Mount Enclosure,Fiber Rack Mount Enclosure,Rack Mount Fiber Optic Enclosure,19'' Ra about this  point??

Answers as Following-

Our LPU's tolerate Voltage is 230V+-20%,so it will guide the  Fiber Optic Patch Panels,Fiber Optic Patch Panel,Rack Mount Fiber Optic Patch Panels,Rack Mount Enclosures addition
OverVoltage to the earth when Voltage is over 230V.Cat5e Keystone Jack - 180° UTP,Cat5e UTP Keystone Jaks,Cat5e Unshielded Keystone Jacks

as you know that the voltage for Cat5e Patch Panel,Cat6 Keystone Jack the PBX and PSTN is lower than 230V for its
own operation voltage,
the LPU will only work 1U 24 Port Fiber Optic Enclosures,Rack Mount Fibre Panels,Fibre Optic Patch Panels when the voltage is more than 230V.

So when the voltage is 130V,140V and 150V,Cross connection Cabinet the PBX and PSTN is working
well,why the LPU will provide the Overvoltage Protection?

If your PBX and PSTN is 130/140/150V type,and you need the LPU provide the Wall Mount Fiber Enclosures,Wall Mounted Fiber Enclosures,Wall-Mount Fiber Enclosures protections at this Voltage,we could make the tolerate Voltage and its
working OverVoltage protection at 130V,this is ok.Install the Disconnection module on Back-mount frames and PROFIL Mounting,CW LSA Style Back Mount Frames ,install the Profile Label Holder,Hinged Label Holder,For CW LSA Disconnection Module,Back Mount LAbel Holders,Module Label Holder,Back Mount Label Holders on the top of the modules

but it seems that no PBX and PSTN systems works at this Voltage

Meet the Gigabit LAN performance mistery System Troubles

Hope someone can help me solve an issue that I have with my home LAN.

The setup is as follows:

1) DELL XPS 600 with NForce 1Gb NIC 24 Port 1U PCB shielded patch panel,24 Port 1U PCB FTP patch panel Cat5e - Windows XP Professional
2) DLink 1Gb switch but have tried also a Netgear 1Gb switch that I purchased for the purpose.
3) Terastation Home Server 2Tb 12 Port 1U PCB shielded patch panel,Cat5e 12 Port 1U PCB FTP patch panel with 1Gb NIC and FTP server enabled
4) Cat. 6e Mattroxx cables newly purchased
5) Latest drivers and software all around
6) Am using and have configured Norton Firewall but even with this disbaled the issue is still present.

I have only TCP/IP enabled.
The switch confirms that all connections are 1Gb.
Link is set at 1Gb full duplex, confirmed on both the PC and the NAS unit.
Drives are all fast 7200 latest 24 Port Cat5e Modular Patch Panels,Network Modular Patch Panels,Cat5e UTP Modular Patch Panels generation SATA drives in the PC and RAID5 IDE drives in the Terastation.
All cables are less than 1.5m (5'), long, 25 Pot Cat3 Modular Telephone Patch Panels,25 Ports RJ45 Patch Panels,25 Port Voice Cat3 Modular Patch Panel Punch Cable brand new and Cat. 6e.
I am moving large video files 12 Port 1U PCB shielded patch panel,Cat5e 12 Port 1U PCB FTP patch panel (3Gb to 6Gb).

Using an FTP client (CuteFTP), moving data from the Terastation into one of the drives of the PC (no overhead from parity calculation in the RAID5), I can get a maximum of 120Mbps no matter how many transfer threads I initiate 25 Pot Cat3 Modular Telephone Patch Panels,25 Ports RJ45 Patch Panels(i.e. if I transfer 5 files, 13).Cat5e UTP Cables,Cat6 FTP Cables,Cat5e UTP Stranded Cables Cat5e Bulk Solid Cable,Cat6 UTPthe 120Mbps is equally divided between them).

Using Windows Explorer to transfer files, speed is even lower.

I expect this type of connection to yeld more than 120Mbps but for the life of me I cannot find any further setting to tweak to increase performance and I am particularly puzzled by the staticity Fiber Optic Splice Closure of the maximum transfer speed regardless 24 Port Cat5e Modular Patch Panels,Network Modular Patch Panels,Cat5e UTP Modular Patch Panels of the number of files being transferred.

Transfer between drives 24 Port Cat5e Modular Patch Panels,Network Modular Patch Panels,Cat5e UTP Modular Patch Panels on the PC moves files at much greater speed, Network Patch Panels,Cat5e Patch Panels With Cable Management hence the limiting factor is not drive speed.

Could anyone help me with some further idea on what to look for?

I tried downloading WireShark but it goes beyond my knowledge and is not helping...

Thank you in advance for any help that could be kindly extended

How Does The Cross Connection Cabinet Works?

3 sets of Copper CCC with back mount frame for 2400 pairs without modules.

Can you include concrete fixing kit, label holder, 24nos screw clamp, 24nos backing plate for C clamp, sealing putty, galvanized metal plate?

If earlier quote does not include the above,FTTH Cabinets,OSP Cabinets,Outside Plant(OSP)Fiber Cross Connect Integration Solutions,OSP Enclosures,Watertight Cabinet for FTTH Distribution,Fiber Outside Plant  please quote me your new price.

 

2.         2 sets of FO CCC 288 cores SM FC c/w splice tray, holder and wire guide accessories. Pigtails not included

Same type and exactly same is different... let me explain.Try to use it on Fiber Optic Patch Panels,Fiber Optic Patch Panel,Rack Mount Fiber Optic Patch Panels,Rack Mount Enclosures

Krone CCC for copper LSA module original use key No.19 as standard key

Krone CCC Cross connection Cabinet for Fiber Optic use key No. 20 as standard key.OSP Enclosures,Outside Plant Fiber Unit Distribution Box,Wall Mount Fiber OSP Unit Box 12 Cord,OSP Fiber Optic Enclosures 

Used For Main Distribution Frame ,Fiber Optic Patch Cord

Can you confirm if the key is exactly the same format as Krone CCC or the same for both your Cabinet type?

This is important note I must confirm because my customer have been using Krone and maintenance will be difficult if keys are different.

Attached is the Fiber Optic Patch Panel CCC keys picture.

wehave confirmed before that the key type is the same.1U 24 Port Fiber Optic Enclosures,Rack Mount Fibre Panels,Fibre Optic Patch Panels 

Can you confirm if the key is the same for copper and fiber CCC?Main Distribution Frame

Can you provide key No. 19 for the copper CCC and No. 20 for Fiber like the Krone type?13).Cat5e UTP Cables,Cat6 FTP Cables,Cat5e UTP Stranded Cables

Here is our opinion on choosing the right category of network cable

Here is our opinion on choosing the right category of network cable:

• Cat5 = If you plan on running at most 100 Mbps
• Cat5e = If you plan on running at 1000 Mbps (1 Gbps) chinapans china manufacturer of telecom electronic new material entertainment product exporter China Telecom Products Manufacturer,Fiber Distribution Frame
• Cat6 = If you plan on running at 1000 Mbps (1 Gbps) or more. Cat6 is better if you are in areas that have lots of interference like near power lines, lights, manufacturing equipment, or a long distance 1000 Mbps (Gigabit) run.
• We advise that you run at least Cat5e or Cat6 cable in the walls Fiber Optic Patch Cord
• Cat5e are great for patch cables from the patch panel to the switch or from the computer to the wall jack
• We very rarely use Cat5 cable anymore.
• For most applications the CAT5E 350MHz network cables are best. They will run up to 1 Gig and are not as expensive as CAT 6 cables.
• CAT 6 cables are great for "future proofing" your installation. They are rated to carry network speeds above 1000 Mbps (Gigabit).
• CAT5E 100MHz are rated to only run up to 100Mbps networks but are inexpensive. 12)Wall Plate Frames,RJ45 FacePlates,Keystone Jack FacePlates,Flush Mount FacePlate

The above statements are the opinion of the Networkcablesonline.com and do not represent the solution for every situation. There are exceptions to these statements and a professional should be consulted prior to making a major network cabling decision. Please visit  1).Main Distribution Frames for more information about 13).Cat5e UTP Cables,Cat6 FTP Cables,Cat5e UTP Stranded Cables

Edison Years President of PANS Technologies, Inc, which is one of the owners of Network Cables Online, LLC. Cheerwe Telecom, LLC sells Cat5e Patch Panel,Cat6 Keystone Jack Article Source: Fiber Optic Patch Panels,Fiber Optic Patch Panel,Rack Mount Fiber Optic Patch Panels,Rack Mount Enclosures
,Fiber Optic Patch Panel

How to Install the Disconnection modules on the main distribution frames?

1) (Main Distribution Frame) A wiring rack that connects outside lines with internal lines. It is used to connect public or private lines coming into the building to internal networks. In a telco central office (CO), the MDF is generally in close proximity to the telephone switch. SeeSubscriber Terminal Block Fiber Optic Patch Panel ,Disconnection Module ,Main Distribution Frame and  Main Distribution Frame

(2) (Multiple Domain Facility) Hardware and 13).Cat5e UTP Cables,Cat6 FTP Cables,Cat5e UTP Stranded Cables microcode supplied by Amdahl that allows the running of multiple system images on a single processor complex. MDF was the first such implementation that did not depend on software such as VM/370 or Fiber Optic Patch Panels,Fiber Optic Patch Panel,Rack Mount Fiber Optic Patch Panels,Rack Mount Enclosures
VM/ESA.

How Does the OverVoltage and OverCurrent Protection Plugs on the Disconnection Modules?

1).The 5  LPU  over voltage  and over current protection can be fitted in the  lsa plus module, we usually install 1 pcs earth bar on the module,and install 10 pcs LPU on the module. 10 Pair Profile Module,CW LSA Profile Module,LSA Profile Disconnection Modules,CW LSA Profil Modules

2).your question"And for over current   is the  LPU  Back-mount frames and PROFIL Mounting,CW LSA Style Back Mount Frames has a  (fuse) we can change it?"--Answer is:our LPU has overcurrent and overcurrent protection function on it. as i have provide you the drawing and datasheet for it.depends to the datasheet details,you could find 1 pcs of Cross connection Cabinet 3 Pole Ceramic Gas Discharge tube and 1 pcs of PTC Thermister be fixed on the PCB. as you know that PTC Thermister provide overcurrent protection function,and the 3 pole Ceramic Gas Discharge tube provide overVoltage Protection function. You could find the FS(fail Safe)on the 3 Pole Gas Discharge tube.  Fiber Optic Patch Panels,Fiber Optic Patch Panel,Rack Mount Fiber Optic Patch Panels,Rack Mount Enclosures 
When the LPU meet the slight shock from the voltage and current,Main Distribution Frame the Gas inside the 3 Pole Gas Discharge Tube Main Distribution Frame will provide protection to the PSTN and PBX,and guide the additional Voltage to the earth(From the 10 Pair LSA Earth Bar). When it meet the constant Subscriber Terminal Block overvoltage and overcurrent shock,the FS(fail Safe) will be broken down.   Please notice than PTC Thermister won't be broken down from the begining to the end. Fiber Optic Splice Closure   So please make sure that the LPU won't be broken down easy.even the Fail Safe(FS) on the 3 pole Ceramic Gas Discharge tube be broken down,Cat5e Bulk Solid Cable,Cat6 UTP it's only the chance in a million.We met the LPU on the MDF frame should be change 1 or 2 pieces during 1 or 2 years.  Cat5e Patch Panel,Cat6 Keystone Jack 

3).Fiber Optic Patch Cord For the PSTN and PBX lines. As you know that we usually install the 10 Pair LSA Plus disconnection module on the front side(Vertical Side),and install the LPU on it. We used it as "Protection Blocks",and it connects the PSTN lines, We install the 8 Pair LSA Disconnection Module on the back side(Horizontal Side),Krone Style Main Distribution Frame,1380 PAir Main Distribution Frame China Manufacturer we used it as"Testing Blocks".we connect it to PBX lines.   As you know that we usually make testing on the back side(Horizontal side),also connect it to the front side.   the cable comes from the front side,and exit from the back side. Dust Covers For Disconnection Module,Dust Covers 2/10 So that when the LPU installed both front side and back side,it could provide protection function for the system and PBX,it's no need to change it to the back side. Profile Label Holder,Hinged Label Holder,For CW LSA Disconnection Module,Back Mount LAbel Holders,Module Label Holder,Back Mount Label Holders if you want to change,it's ok.but you need buy 8 pair lsa-plus earth bar.