Maintaining the CPT 200 and CPT 600 Shelf

This chapter explains how to maintain the CPT 200 and CPT 600 shelf installations.

NTP-J95 Replace the Air Filter of the CPT 200 Shelf Assembly

Purpose

This procedure replaces the air filter of the CPT 200 shelf assembly.

Tools/Equipment

None

Prerequisite Procedures

•"NTP-J84 Install the CPT 600 Shelf" task

•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 CPT and Cisco ONS Platforms.

Required/As Needed

As Needed

Onsite/Remote

Remote

Security Level

Provisioning or higher


Note Air filters are replaceable or reusable.

Warning Do not reach into a vacant slot or chassis while you install or remove a module or a fan. Exposed circuitry could constitute an energy hazard. Statement 206
Caution Cisco recommends that you inspect the air filter monthly, and clean the filter every three to six months. Replace the air filter every two to three years. Avoid cleaning the air filter with harsh cleaning agents or solvents.

Step 1 Loosen the screw on the air-filter (see Figure 5-3).

Figure 5-1 Replacing the Air Filter

Step 2 Extract the air filter from the shelf assembly (see Figure 5-4).

Figure 5-2 Replacing the Air Filter

Step 3 Clean or replace the air filter.

Step 4 Insert the air filter into the shelf assembly (see Figure 5-4).

Note The air filter must be inserted with the grid facing the shelf assembly as shown in Figure 5-4.

Step 5 Tighten the screw on the air-filter.

Stop. You have completed this procedure.

NTP-J96 Replace the Air Filter of the CPT 600 Shelf Assembly

Purpose

This procedure replaces the air filter of the CPT 600 shelf assembly.

Tools/Equipment

None

Prerequisite Procedures

•"NTP-J84 Install the CPT 600 Shelf" task

•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 CPT and Cisco ONS Platforms.

Required/As Needed

As Needed

Onsite/Remote

Remote

Security Level

Provisioning or higher


Note Air filters are replaceable or reusable.

Warning Do not reach into a vacant slot or chassis while you install or remove a module or a fan. Exposed circuitry could constitute an energy hazard. Statement 206
Caution Cisco recommends that you inspect the air filter monthly, and clean the filter every three to six months. Replace the air filter every two to three years. Avoid cleaning the air filter with harsh cleaning agents or solvents.

Step 1 Open the front door of the shelf assembly (see "DLP-J271 Open the Standard Door of the CPT 600 Shelf" task). If the shelf assembly does not have a front door, continue with Step 3.

Step 2 (Optional) Complete the "DLP-J272 Remove the Standard Door of the CPT 600 Shelf" task 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 Figure 5-3).

Figure 5-3 Replacing the Air Filter

Step 4 Extract the air filter from the shelf assembly (see Figure 5-4).

Figure 5-4 Extracting the Air Filter

Step 5 Clean or replace the air filter.

Step 6 Insert the air filter into the shelf assembly (see Figure 5-4).

Note The air filter must be inserted with the grid facing the shelf assembly as shown in Figure 5-4.

Step 7 Push the retention feature to the right side (see Figure 5-5).

Figure 5-5 Replacing the Air Filter

Step 8 Close the front door. If you removed the door, complete the "NTP-J85 Install the Standard Door of the CPT 600 Shelf" task.

Stop. You have completed this procedure.

NTP-J97 Replace the Air Filter of the AC Power Module in the CPT 600 Shelf Assembly

Purpose

This procedure replaces the air filter of the AC power module in the CPT 600 shelf assembly.

Tools/Equipment

None

Prerequisite Procedures

•"NTP-J84 Install the CPT 600 Shelf" task

•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 CPT and Cisco ONS Platforms.

•"DLP-J273 Install the AC Power Module in the CPT 600 Shelf" task.

Required/As Needed

As Needed

Onsite/Remote

Remote

Security Level

Provisioning or higher


Step 1 Open the front door of the shelf assembly (see "DLP-J271 Open the Standard Door of the CPT 600 Shelf" task). If the shelf assembly does not have a front door, continue with Step 3.

Step 2 (Optional) Complete the "DLP-J272 Remove the Standard Door of the CPT 600 Shelf" task 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 Figure 5-3).

Figure 5-6 Replacing the Air Filter—AC Power Module

Step 4 Clean or replace the air filter.

Step 5 Close the front door. If you removed the door, complete the "NTP-J85 Install the Standard Door of the CPT 600 Shelf" task.

Stop. You have completed this procedure.

NTP-J98 Clean 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

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 the "DLP-J288 Clean Fiber Connectors with CLETOP" task as necessary.

Step 4 Complete the "DLP-J289 Clean the Fiber Adapters" task as necessary.

Note To clean multi-fiber optic connectors, complete the "DLP-J287 Clean Multi Fiber-Optic Cable Connectors" task as necessary.

Stop. You have completed this procedure.

DLP-J287 Clean 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

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-J288 Clean 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


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-J289 Clean 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


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-J100 Replace the Fan-Tray Assembly of the CPT 200 Shelf Assembly

Purpose

This procedure replaces the fan-tray assembly of the CPT 200 shelf assembly.

Tools/Equipment

Small slot-head screwdriver

Prerequisite Procedures

"NTP-J79 Install the Fan-Tray Assembly in the CPT 200 Shelf" task on page 3-47

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.

Step 1 Loosen the screw on the fan-tray assembly (see Figure 5-7).

Figure 5-7 Fan-Tray Assembly installed in the CPT 200 Shelf Assembly

Step 2 Extract the fan-tray assembly partially to disconnect the backplane connector and wait until the fan stops (see Figure 5-8)

Figure 5-8 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 Figure 5-9).

Figure 5-9 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-J101 Replace the Fan-Tray Assembly of the CPT 600 Shelf Assembly

Purpose

This procedure replaces the fan-tray assembly of the CPT 600 shelf assembly.

Tools/Equipment

Small slot-head screwdriver

Prerequisite Procedures

"NTP-J91 Install the Fan-Tray Assembly in the CPT 600 Shelf" task

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.

Step 1 Open the front door of the shelf assembly (see "DLP-J271 Open the Standard Door of the CPT 600 Shelf" task). If the shelf assembly does not have a front door, continue with Step 3.

Step 2 (Optional) Complete the "DLP-J272 Remove the Standard Door of the CPT 600 Shelf" task to remove the front door. If you do not want to remove the door, proceed to Step 3.

Step 3 Loosen the screws on the fan-tray assembly (see Figure 5-10).

Figure 5-10 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 Figure 5-11).

Figure 5-11 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 Figure 5-12).

Figure 5-12 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.

Step 8 If you removed the door, complete the "NTP-J85 Install the Standard Door of the CPT 600 Shelf" task.

Stop. You have completed this procedure.