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Hardware Installation and Maintenance Guide

AR100, AR120, AR150, AR160, AR200, AR1200, AR2200, AR3200, and AR3600

This section provides brief procedure for installing the AR series routers. This document describes preparations before AR series routers installation, installation methods and precautions, AR series routers maintenance, and common methods for troubleshooting typical hardware module faults.

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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
Introduction to Labels

Introduction to Labels

Label Materials

  • Thickness: 0.09 mm (0.004 in.)
  • Color: chalk white
  • Material: polyester (PET)
  • Ambient temperature: -29°C (-20.2°F) to +149°C (300.2°F)
  • Printed by a laser printer and written with a marker
  • Pass UL and CSA authentication

Type and Structure

Label for Signal Cables
The label for signal cables is L-shaped with fixed dimensions, as shown in Figure 7-81.
Figure 7-81  Label for signal cables

To specify more clearly the position of a cable, use the dividing lines on the label. For example, there is a dividing line between the cabinet number and the chassis number, and another one between the chassis number and the slot number. Each dividing line is light blue (Pantone 656c) and 1.5 mm x 0.6 mm (0.06 in. x 0.02 in.).

The cut dotted line helps to fold the label when affixed to the cable, and its size is 1 mm x 2 mm (0.04 in. x 0.08 in.).

The word "TO:" (upside down in the figure) at the lower right corner of the label is used to identify the opposite end of the cable on which the label is affixed.

Power Cable Label

The label for power cables should be attached to the identification plate on the cable ties that are attached to the cable. The identification plate has an embossed area 0.2 mm x 0.6 mm (0.008 in. x 0.02 in.) around (symmetric on both sides), and the area in the middle is for affixing the label, as shown in Figure 7-82.

Figure 7-82  Power cable label

Label Printing

The contents can be printed or written on the labels. Printing is recommended for the sake of high efficiency and eye-pleasant layout.

Template for Printing

You can obtain a template from the Huawei local office to print labels.

The template is made in Microsoft Word. Follow these instructions to use the template:
  • You can modify the contents of the template. Do not change settings of centered characters, direction, and fonts.
  • If many characters need to be filled in, decrease the font size, but make sure that the printouts are clear and legible.
Merging Cells in the Template
To merge two or more cells, do as follows:
  1. Select Edit/Select All.
  2. Select Format/Borders and Shading/Borders. Select Box tab and click OK.
  3. Drag the mouse to select cells to be merged and select the Table/Merge Cells.
Requirements on the Printer
To print labels, use a laser jet printer of any model. Before printing labels, set up the page and try printing.
  1. Try printing on ordinary paper with both sides blank. Place the blank paper over the whole page of the label paper, and check whether the page setup conforms to the label layout.
  2. Make sure the printer properties, such as "paper size" and "direction", have been set correctly.
    • If the printout conforms to the sheet of labels, print the labels on the label paper.
    • If the printout does not conform, adjust the page setup and try printing again until the correct printout is produced.
The method for adjusting the page setup is as follows.
  1. Select File/Page Setup.
  2. Select Layout and set Header and Footer as 0.
  3. Select the Margins tab page. Select Left for Gutter Position and adjust the values of Top, Bottom, Left, and Right.

    If the warning prompt as shown in Figure 7-83 appears before printing, click Ignore to continue the printing.

    Figure 7-83  Warning prompt before printing

After the page setup has been made correctly, save it for future use. This page setup is only necessary the first time you use the template to print the labels.

Requirements for Feeding the Printer

The label paper consists of two layers and has undergone multiple processing procedures such as printing and cutting. No matter what model of printer you use, feed in the labels one page at a time. To avoid jamming the labels, never use the auto-feed mode.

Feed in the label paper in the correct direction to ensure that the text is printed in a correct position.

Requirements for the Printed Label
Make sure that the printed labels satisfy the following requirements:
  • All the printouts must be on the label, and nothing should be printed on the backing layer of the label page.
  • Contents in the cells should be aligned in the center. In a single-line printout, the dividing lines and the word "TO:" should not be covered by printed characters.
  • When the cells are merged and the printouts are made in multiple lines, avoid covering the word "TO:" when printing the text. Use the space bar to move the text to the next line.

Writing Labels

Writing Tools

To make sure the printouts are clear and legible, use black markers instead of ball-point pens to write the labels.

If no marker is available, black ball-point pens are allowed, although not recommended. Compared with ball-point pens, waterproof markers are better. When writing with a ball-point pen, do not leave the oil on the label, which may contaminate the label and blur the words.


The delivered marker has two nibs. Use the smaller nib to write the labels.

For the sake of legibility, use standard block letters and numbers as shown in Table 7-26 (Times New Roman).
Table 7-26  Standard typeface for handwriting





































Determine the size of characters based on the number of letters or digits and ensure that the characters are distinct and tidy.

Placement of text on a label is shown in Figure 7-84.
Figure 7-84  Placement of text on a label

Attaching Labels

After printing or writing the label, remove the label from the page and attach it to the signal cable, or the identification plate of the power cable. The methods for attaching labels are described in the following sections.

Label for Signal Cables
  • Choose the place to attach labels.

    The label is attached 2 cm (0.79 in.) from the connector on a signal cable. In special cases (for example, to avoid cable bending or affecting other cables), other positions are allowed to attach the labels. The rectangular part with text is attached facing right or downward, as shown in Figure 7-85. The details are as follows:
    • The identification card is to the right of the cable in vertical cabling.
    • The identification card should be downward when you lay out the cable horizontally.
    Figure 7-85  Text area of the label

  • Procedure for attaching labels

    Figure 7-86 shows the methods and procedures for attaching labels.
    Figure 7-86  Label for signal cables

Power Cable Label

Remove the label from the backing page, and attach it to the identification plate on the cable tie. The label should be attached to the rectangular flute on the identification plate, and attached to only one side of the identification plate. The cable ties are bundled at 2 cm (0.79 in.) from the connectors, and other positions are allowed in special circumstances.

Cable ties should be bound on both ends of a cable. After the bundling, the finished identification plate should be on top of the cable in horizontal cabling, or on the right side of the cable in vertical cabling, as shown in Figure 7-87. The details are as follows:
  • The identification card is to the right of the cable in vertical cabling.
  • The identification card is on the top of the cable in horizontal cabling. Make sure that the label is facing out.
Figure 7-87  Binding the label for the power cable

Contents of Engineering Labels

Contents of Labels for Power Cables

Labels for power cables are affixed on only one side of the identification plates. On the labels, there is information (the part after the word "TO:") about the location of the device on the other end of the cable, like the location of control cabinet, distribution box or power socket.

Contents of Labels for Signal Cables
The two sides of the label affixed on the signal cable carry information about the location of the ports connected to both ends of the cable. Figure 7-88 shows the information on both sides of the labels affixed to the signal cables.
  • Area 1 contains the location information of the local end of the cable.
  • Area 2 (with the word "TO:") contains the location information of the opposite end of the cable.
  • Area 3 has been folded up inside the label.
Figure 7-88  Printed parts on the label for signal cables

Seen from the cabling end of the equipment, the text part of the label is on the right side of the cable. The side with "TO:" that is facing outside carries the location information of the opposite end; and the other side carries the location information of the local end.

In other words, the information in Area 1 at one end is the same as the information in Area 2 at the other end of the cable.

Precautions for Using Engineering Labels

When using labels, pay attention to the following points:
  • When printing, writing, or attaching labels, keep the labels clean.
  • Since the label paper is made of moistureproof material, ink-jet printers and ink pens cannot be used to print and write labels.
  • Labels should be attached neatly. New-type labels are L-shaped. If they are pasted at incorrect locations or in the incorrect direction, the appearance of the device is affected.
  • Power cable ties should be attached in the same positions on power cables, with identification plates on the same side.
  • The positions of "up", "down", "left" or "right" are all based on the viewpoint of the engineering person who is working on the label.
Updated: 2019-05-17

Document ID: EDOC1000039117

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