Maintaining the NCS 2002, NCS 2006, and NCS 2015 Shelves

This chapter explains how to maintain the NCS 2002, NCS 2006, and NCS 2015 shelf installations.

The sections are:

NTP-L19 Replacing the Air Filter of the NCS 2002 Shelf Assembly

Purpose

This procedure replaces the air filter of the NCS 2002 shelf assembly.

Tools/Equipment

New air filter

Prerequisite Procedures

Required/As Needed

As Needed

Onsite/Remote

Remote

Security Level

Provisioning or higher


Note
The air filters are single-use only. They must not be cleaned and reused. This is a Telcordia NEBS requirement, GR-63-CORE Issue 4.

Note
Air filters must be inspected every quarter after the initial six month inspection. If they are dirty or clogged with dust, they must be replaced with a new air filter.

Procedure

Step 1

Untighten the screw on the air-filter (see the figure below).

Figure 1. Replacing the Air Filter

1

Air filter

2

Screw

Step 2

Extract the air filter from the shelf assembly as shown in the figure below.

Figure 2. Replacing the Air Filter

1

Air filter

2

Filter grid

Step 3

Separate the cable guides from the air filter as shown in the figure below.

Figure 3. Replacing the Air Filter

Step 4

Replace the air filter with a new one if the air filter is dirty or clogged with dust.

Step 5

Attach the cable guide and insert the air filter into the shelf assembly.

Note

 
The air filter must be inserted with the grid facing the shelf assembly as shown in the figure above.

Step 6

Tighten the screw on the air-filter.

Stop. You have completed this procedure.

NTP-L20 Replacing the Air Filter of the NCS 2006 Shelf Assembly

Purpose

This procedure replaces the air filter of the NCS 2006 shelf assembly.

Tools/Equipment

New air filter

Prerequisite Procedures

Required/As Needed

As Needed

Onsite/Remote

Remote

Security Level

Provisioning or higher


Note
The air filters are single-use only. They must not be cleaned and reused. This is a Telcordia NEBS requirement, GR-63-CORE Issue 4.

Note
Air filters must be inspected every quarter after the initial six month inspection. If they are dirty or clogged with dust, they must be replaced with a new air filter.

Procedure

Step 1

Open the front door of the shelf assembly (see NTP-L5 Opening and Removing the Standard Door of the NCS 2006 Shelf). If the shelf assembly does not have a front door, continue with Step 3.

Step 2

(Optional) Complete the DLP-L13 Removing the Standard Door of the NCS 2006 Shelf to remove the front door. If you do not want to remove the door, proceed to Step 3.

Step 3

Push the retention feature present on the right side of the shelf assembly to the left side (see the figure below).

Figure 4. Replacing the Air Filter

Step 4

Extract the air filter from the shelf assembly (see the figure below).

Step 5

Replace the air filter with a new one if the air filter is dirty or clogged with dust.

Step 6

Insert the air filter into the shelf assembly (see the figure below).

Note

 
The air filter must be inserted with the grid facing the shelf assembly as shown in the figure below.
Figure 5. Extracting the Air Filter

Step 7

Push the retention feature to the right side (see the figure below).

Figure 6. Replacing the Air Filter

Step 8

Close the front door. If you removed the door, complete the NTP-L4 Installing the Standard Door of the NCS 2006 Shelf.

Stop. You have completed this procedure.

NTP-L21 Replacing the Air Filter of the AC Power Module in the NCS 2006 Shelf Assembly

Purpose

This procedure replaces the air filter of the AC power module in the NCS 2006 shelf assembly.

Tools/Equipment

New air filter

Prerequisite Procedures

Required/As Needed

As Needed

Onsite/Remote

Remote

Security Level

Provisioning or higher


Note
The air filters are single-use only. They must not be cleaned and reused. This is a Telcordia NEBS requirement, GR-63-CORE Issue 4.

Note
Air filters must be inspected every quarter after the initial six month inspection. If they are dirty or clogged with dust, they must be replaced with a new air filter.

Procedure

Step 1

Open the front door of the shelf assembly (see DLP-L12 Opening the Standard Door of the NCS 2006 Shelf). If the shelf assembly does not have a front door, continue with Step 3.

Step 2

(Optional) Complete the DLP-L13 Removing the Standard Door of the NCS 2006 Shelf to remove the front door. If you do not want to remove the door, proceed to Step 3.

Step 3

Remove the air filter on the AC power module (see the figure below).

Figure 7. Replacing the Air Filter—AC Power Module

Step 4

Replace the air filter with a new one if the air filter is dirty or clogged with dust.

Step 5

Close the front door. If you removed the door, complete the NTP-L4 Installing the Standard Door of the NCS 2006 Shelf.

Stop. You have completed this procedure.

NTP-L58 Replacing the Air Filter of the NCS 2015 Shelf Assembly

Purpose

This procedure replaces the air filter of the NCS 2015 shelf assembly.

Tools/Equipment

New air filter

Prerequisite Procedures

Connect the chassis to the office ground. For detailed instructions on how to ground the chassis, refer to the Electrostatic Discharge and Grounding Guide for Cisco NCS 2000 Series . .

Required/As Needed

As Needed

Onsite/Remote

Remote

Security Level

Provisioning or higher


Note
The air filters are single-use only. They must not be cleaned and reused. This is a Telcordia NEBS requirement, GR-63-CORE Issue 4.

Note
Air filters must be inspected every quarter after the initial six month inspection. If they are dirty or clogged with dust, they must be replaced with a new air filter.

Procedure

Step 1

Open the front door of the shelf assembly (see NTP-L51 Opening and Removing the Door of the NCS 2015 Shelf).

Step 2

Extract the air filter from the shelf assembly. See the figure below.

Figure 8. Extracting the Air Filter in the NCS 2015 DC Shelf

1

Air filter

Step 3

Replace the air filter in the air filter holder assembly with a new one if the air filter is dirty or clogged with dust.

Step 4

Insert the air filter assembly into the shelf assembly.

Note

 
The air filter must be inserted with the grid facing the shelf assembly.

Step 5

Tighten the screws on the air filter assembly to secure it to the chassis. See the figure below.

Figure 9. NCS 2015 DC Shelf with Replaced Air Filter

1

Screw

Step 6

Swing the door closed and turn the knob to lock.

Stop. You have completed this procedure.

NTP-L22 Cleaning Fiber Connectors

Purpose

This procedure cleans the fiber connectors.

Tools/Equipment

Inspection microscope

Type A Fiber Optic Connector Cleaner (CLETOP reel)

Optical swab

Optical receiver cleaning stick

Prerequisite Procedures

None

Required/As Needed

Required

Onsite/Remote

Onsite

Security Level

None


Warning

Invisible laser radiation may be emitted from the end of the unterminated fiber cable or connector. Do not view directly with optical instruments. Viewing the laser output with certain optical instruments (for example, eye loupes, magnifiers, and microscopes) within a distance of 100 mm may pose an eye hazard. Statement 1056

Procedure

Step 1

Using an inspection microscope, inspect each fiber connector for dirt, cracks, or scratches.

Step 2

Replace any damaged fiber connectors.

Note

 
Replace all dust caps whenever the equipment is unused for 30 minutes or more.

Step 3

Complete DLP-G262 Cleaning Fiber Connectors with CLETOP as necessary.

Step 4

Complete DLP-G263 Cleaning the Fiber Adapters as necessary.

Note

 
To clean multi-fiber optic connectors, complete the DLP-G261 Cleaning Multi Fiber-Optic Cable Connectors as necessary.

Stop. You have completed this procedure.

DLP-G261 Cleaning Multi Fiber-Optic Cable Connectors

Purpose

This task cleans the multi fiber optic connectors

Tools/Equipment

Cleaning Cartridge for multi fiber optic connectors

Prerequisite Procedures

None

Required/As Needed

Required

Onsite/Remote

Onsite

Security Level

None


Warning

Invisible laser radiation may be emitted from disconnected fibers or connectors. Do not stare into beams or view directly with optical instruments. Statement 1051

Procedure

Step 1

Remove the protective cap on the optical fiber cable connector.

Step 2

Read the manufacturer (cleaning cartridge) instructions to insert the connector into the cleaning cartridge.

Step 3

Slide the lever on the cartridge to swipe the connector surface.

Step 4

Insert the fiber connector into the applicable adapter or attach a dust cap to the fiber connector.

Note

 
If you must replace a dust cap on a connector, first verify that the dust cap is clean.

Step 5

Return to your originating procedure (NTP).

DLP-G262 Cleaning Fiber Connectors with CLETOP

Purpose

This task cleans the fiber connectors with CLETOP.

Tools/Equipment

Type A Fiber Optic Connector Cleaner (CLETOP reel)

Optical receiver cleaning stick

Prerequisite Procedures

None

Required/As Needed

Required

Onsite/Remote

Onsite

Security Level

None

Procedure

Step 1

Remove the dust cap from the fiber connector.

Step 2

Press the lever up to open the shutter door. Each time you press the lever, you expose a clean wiping surface.

Step 3

Insert the connector into the CLETOP cleaning cassette slot, rotate one quarter turn, and gently swipe downwards.

Step 4

Use an inspection microscope to inspect each fiber connector for dirt, cracks, or scratches. If the connector is not clean, repeat Steps 1 to 3.

Step 5

Insert the fiber connector into the applicable adapter or attach a dust cap to the fiber connector.

Note

 
If you must replace a dust cap on a connector, first verify that the dust cap is clean. To clean the dust cap, wipe the outside of the cap using a dry, lint-free wipe and the inside of the dust cap using a CLETOP stick swab (14100400).

Step 6

Return to your originating procedure (NTP).

DLP-G263 Cleaning the Fiber Adapters

Purpose

This task cleans the fiber adapters.

Tools/Equipment

CLETOP stick swab

Prerequisite Procedures

None

Required/As Needed

Required

Onsite/Remote

Onsite

Security Level

None

Procedure

Step 1

Remove the dust plug from the fiber adapter.

Step 2

Insert a CLETOP stick swab (14100400) into the adapter opening and rotate the swab.

Step 3

Place dust plugs on the fiber adapters when not in use.

Step 4

Return to your originating procedure (NTP).

NTP-L25 Replacing the Fan-Tray Assembly of the NCS 2002 Shelf Assembly

Purpose

This procedure replaces the fan-tray assembly of the NCS 2002 shelf assembly.

Tools/Equipment

Small slot-head screwdriver

Prerequisite Procedures

NTP-L35 Installing the Fan-Tray Assembly in the NCS 2002 Shelf

Required/As Needed

Required

Onsite/Remote

Onsite

Security Level

None


Caution

Do not force a fan-tray assembly into place. Doing so can damage either the connectors on the fan tray or the connectors on the back panel of the shelf assembly, or both.


Note
The estimated time required to change a fan-tray assembly is 2 minutes.

Procedure

Step 1

Loosen the screw on the fan-tray assembly (see the figure below).

Figure 10. Fan-Tray Assembly installed in the NCS 2002 Shelf Assembly

Step 2

Extract the fan-tray assembly partially to disconnect the backplane connector and wait until the fan stops (see the figure below)

Figure 11. Fan -Tray Extracted Partially with Power Connector Disconnected

Step 3

When the fans have stopped, pull the fan-tray assembly completely out of the shelf assembly (see the figure below).

Figure 12. Fan-Tray Extracted

Step 4

Slide the new fan-tray assembly into the shelf assembly until the electrical plug at the rear of the tray plugs into the corresponding receptacle on the backplane.

Step 5

To verify that the tray has plugged into the backplane, ensure that the LCD on the front of the fan-tray is activated.

Stop. You have completed this procedure.

NTP-L26 Replacing the Fan-Tray Assembly of the NCS 2006 Shelf Assembly

Purpose

This procedure replaces the fan-tray assembly of the NCS 2006 shelf assembly.

Tools/Equipment

Small slot-head screwdriver

Prerequisite Procedures

NTP-L11 Installing the Fan-Tray Assembly in the NCS 2006 Shelf

Required/As Needed

Required

Onsite/Remote

Onsite

Security Level

None


Caution

Do not force a fan-tray assembly into place. Doing so can damage either the connectors on the fan tray or the connectors on the back panel of the shelf assembly, or both.


Note
The estimated time required to change a fan-tray assembly is 2 minutes.

Procedure

Step 1

Open the front door of the shelf assembly (see DLP-L12 Opening the Standard Door of the NCS 2006 Shelf). If the shelf assembly does not have a front door, continue with Step 3.

Step 2

(Optional) Complete the DLP-L13 Removing the Standard Door of the NCS 2006 Shelf to remove the front door. If you do not want to remove the door, proceed to Step 3.

Step 3

Untighten the screws on the fan-tray assembly (see the figure below).

Figure 13. Extract the Fan-Tray Assembly

Step 4

Extract the fan tray partially using the handle in order to disconnect the backplane connector and wait until the fan stops (see the figure below)

Figure 14. Fan-Tray Assembly Extracted Partially with Power Connector Disconnected

Step 5

When the fans have stopped, pull the fan-tray assembly completely out of the shelf assembly (see the figure below).

Figure 15. Fan-Tray Extracted

Step 6

Slide the new fan-tray into the shelf assembly until the electrical plug at the rear of the tray plugs into the corresponding receptacle on the backplane.

Step 7

To verify that the tray has plugged into the backplane, ensure that the LED on the front of the fan-tray is activated.

If you removed the door, complete the NTP-L4 Installing the Standard Door of the NCS 2006 Shelf.

Stop. You have completed this procedure.

NTP-L59 Replacing Fan-Tray Assembly of NCS 2015 Shelf Assembly

Purpose

This procedure replaces the fan-tray assembly of the NCS 2015 shelf assembly.

Tools/Equipment

Small slot-head screwdriver

Prerequisite Procedures

NTP-L54 Installing Fan-Tray Assembly in NCS 2015 Shelf

Required/As Needed

Required

Onsite/Remote

Onsite

Security Level

None


Caution

Do not force a fan-tray assembly into place. Doing so can damage either the connectors on the fan tray or the connectors on the back panel of the shelf assembly, or both.


Note
The estimated time required to change a fan-tray assembly is 2 minutes.

Procedure

Step 1

Open the front door of the shelf assembly (see NTP-L51 Opening and Removing the Door of the NCS 2015 Shelf). If the shelf assembly does not have a front door, continue with the next step.

Step 2

Untighten the captive screws on the fan-tray assembly.

Step 3

Extract the fan tray partially using the handle in order to disconnect the backplane connector and wait until the fan stops.

Step 4

When the fans have stopped, pull the fan-tray assembly completely out of the shelf assembly.

Step 5

Slide the new fan-tray into the shelf assembly until the electrical plug at the rear of the tray plugs into the corresponding receptacle on the backplane.

Step 6

Swing the door closed and turn the knob to lock.

Stop. You have completed this procedure.