In-depth explanation of the principle of blocking cabling system modules

The shielded cabling system is still quite useful, so I studied the techniques for blocking the module on the terminal of the cabling system and explained the details that need to be paid attention to in the practical application process from various aspects, I hope this article will be helpful to you.

I. Basic principles of the twisted pair end connection module of the shielded Cabling System

There are many shielding methods for shielded twisted pair wires. However, no matter which shielding method is used, they must follow the same principle:

1. On the Distribution Frame Side or panel side, accurately measure the length to be retained and cut off excess cables.
2. Create a permanent tag on the shielded twisted pair wires.
3. Use a professional wire stripping knife to strip the outer skin of the twisted pair wire to avoid cutting the copper mesh or aluminum foil when peeling the outer skin. The cables are usually peeled off at 5cm from the end of the cable.
4. Carefully process the screen. The following section describes how to deal with different shielding methods)
5. carefully deal with each line, according to The TIA-568A or B standard, the blue-orange-green brown line into the corresponding groove respectively. Note that the same standard must be used for the entire shielded cabling system and cannot be mixed.
6. Cut off redundant line pairs. Card the module in place.
7. Overall shielding of the processing module.
8. After the module is installed, install the module on the panel or distribution frame and sort out the cables.

2. Shielding the F/UTP connection of the cabling system

1. accurately measure the length to be retained. Cut off the excess cables and recreate the Permanent labels.
2. the cables are usually peeled off at 5cm from the end of the cables. the aluminum foil is flushed to one side of the cables, and the copper foil in the module packaging is attached to the strip of the cables. Note that the front and back sides of the aluminum foil must be reliably fastened. Then, the excess aluminum foil with copper foil is cut off.
3. according to the TIA-568A or B color label, the blue-orange-green brown line respectively into the corresponding card slot, it is best not to damage each line of the twist degree, note: if it is forced to change the twisting distance to ensure chromatography, the core line should be twisted, rather than let it be dispersed. Use a hand or dedicated tool to snap each line in place, use a eccentric clamp to cut off the redundant line, and manually or use a dedicated tool to install other parts of the module in place.
4. According to the configuration of the manufacturer, the shielding layer of the module can be reliably connected to the copper foil, and the whole shielding part of the module can be reliably installed in place.
5. to avoid the impact of bending torque caused by cable laying on the connection between cables and modules, the bending and torsion stress release device should be installed after the module is installed, fix the shielded cable together with the module.
6. After the module is installed, install the module on the panel or distribution frame and sort out the cables. On the panel side, note that the bending radius of the shielded cable is not too small; otherwise, the test may fail.

3. Shielding the F/FTP connection of the cabling system

1. accurately measure the length to be retained. Cut off the excess cables and recreate the Permanent labels.
2. the cables are usually peeled off at 5cm from the end of the cables. the aluminum foil is flushed to one side of the cables, and the copper foil in the module packaging is attached to the strip of the cables. Note that the front and back sides of the aluminum foil must be reliably fastened. Then, the excess aluminum foil with copper foil is cut off.
3. Open the aluminum foil protection layer of the blue, orange, green, and brown cables and cut off the cables. According to the EN 50174-2002 standard, the aluminum foil of each cable can be grounded, while the aluminum foil on the outside must be grounded.
4. according to the TIA-568A or B color label, the blue-orange-green brown line respectively into the corresponding card slot, it is best not to damage each line of the twist degree, note: if it is forced to change the twisting distance to ensure chromatography, the core line should be twisted, rather than let it be dispersed. Use a hand or dedicated tool to snap each line in place, use a eccentric clamp to cut off the redundant line, and manually or use a dedicated tool to install other parts of the module in place.
5. According to the configuration of the manufacturer, the shielding layer of the module can be reliably connected to the copper foil, and the whole shielding part of the module can be reliably installed in place.
6. to avoid the impact of bending torque caused by cable laying on the connection between cables and modules, the bending and torsion stress release device should be installed after the module is installed, fix the shielded cable together with the module.
7. After the module is installed, install the module on the panel or distribution frame and sort out the cables. On the panel side, note that the bending radius of the shielded cable is not too small; otherwise, the test may fail.

Iv. Shielding the connection between the SF/UTP of the cabling system

1. accurately measure the length to be retained. Cut off the excess cables and recreate the Permanent labels.
2. generally, the cables are peeled off at 5cm from the end of the cable. The copper screen is flushed to one side of the cable and uniformly covered outside the jacket. Note, all the wire mesh copper wires should be flipped and covered on the jacket. No copper wire can be left near the end point to avoid short-circuit signal. The copper foil in the module packaging is attached to the strip of the cable. Note that it should be reliably fastened and sticky. Then, cut off the extra copper screen with copper foil. Open the aluminum foil shielding layer and strip it to the strip of the shield cable. According to the EN 50174-2002 standard, the aluminum foil can be ungrounded, while the outer copper screen must be grounded.
3. according to the TIA-568A or B color label, the blue-orange-green brown line respectively into the corresponding card slot, it is best not to damage each line of the twist degree, note: if it is forced to change the twisting distance to ensure chromatography, the core line should be twisted, rather than let it be dispersed. Use a hand or dedicated tool to snap each line in place, use a eccentric clamp to cut off the redundant line, and manually or use a dedicated tool to install other parts of the module in place.
4. According to the configuration of the manufacturer, the shielding layer of the module can be reliably connected to the copper foil, and the whole shielding part of the module can be reliably installed in place.
5. to avoid the impact of bending torque caused by cable laying on the connection between cables and modules, the bending and torsion stress release device should be installed after the module is installed, fix the shielded cable together with the module.
6. After the module is installed, install the module on the panel or distribution frame and sort out the cables. On the panel side, note that the bending radius of the shielded cable is not too small; otherwise, the test may fail.

5. shield the wiring system S/FTP

1. accurately measure the length to be retained. Cut off the excess cables and recreate the Permanent labels.
2. generally, the cables are peeled off at 5cm from the end of the cable. The copper screen is flushed to one side of the cable and uniformly covered outside the jacket. Note, all the wire mesh copper wires should be flipped and covered on the jacket. No copper wire can be left near the end point to avoid short-circuit signal. The copper foil in the module packaging is attached to the strip of the cable. Note that it is necessary to stick it reliably and cut off the extra copper screen with copper foil.
3. open the aluminum foil protection layer of the blue, orange, green, and brown cables and cut off the cables. According to the EN 50174-2002 standard, the aluminum foil of each wire can be grounded, while the copper shielding layer on the outside must be grounded.
4. according to the TIA-568A or B color label, the blue-orange-green brown line respectively into the corresponding card slot, it is best not to damage each line of the twist degree, note: if it is forced to change the twisting distance to ensure chromatography, the core line should be twisted, rather than let it be dispersed. Use a hand or dedicated tool to snap each line in place, use a eccentric clamp to cut off the redundant line, and manually or use a dedicated tool to install other parts of the module in place.
5. According to the configuration of the manufacturer, the shielding layer of the module can be reliably connected to the copper foil, and the whole shielding part of the module can be reliably installed in place.
6. to avoid the impact of bending torque caused by cable laying on the connection between cables and modules, the bending and torsion stress release device should be installed after the module is installed, fix the shielded cable together with the module ,:
7. After the module is installed, install the module on the panel or distribution frame and sort out the cables. On the panel side, note that the bending radius of the shielded cable is not too small; otherwise, the test may fail.

6. shield the grounding of the Distribution Frame

The shielding layer of the shielded cabling system must be grounded. A shielded grounding terminal is set up at the rear of the shielded distribution frame. The grounding terminal of the distribution frame can be reliably connected to the grounding terminal of the Cabinet or rack, the grounding terminal of the Cabinet or rack is reliably connected to the grounding terminal of the data center.

If multiple shielded distribution frames are installed in the same cabinet or rack, connect all the grounding terminals of the shielded distribution frames, then, the grounding wire of the last distribution frame is connected to the grounding terminal of the Cabinet or rack, and then to the grounding terminal or grounding bus of the data center.

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