Dlp-e171 verify fan operation – Cisco 15600 User Manual

Page 55

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17-55

Cisco ONS 15600 Procedure Guide, R8.0

Chapter 17 DLPs E100 to E199

DLP- E170 Clear a Switch or Lockout on a Path Protection Circuit

DLP-E170 Clear a Switch or Lockout on a Path Protection Circuit

Step 1

Click the Circuits > Circuits tabs.

Step 2

Click the path you want to switch and click Edit.

Step 3

In the Edit Circuit window, click the Path Protection Selectors tab.

Step 4

In the Switch State column, click the row for the path you want to switch and select Clear.

Step 5

Click Apply.

Note

This task does revert traffic unless ports are configured for revertive switching.

Step 6

Return to your originating procedure (NTP).

DLP-E171 Verify Fan Operation

Warning

Voltage is present on the backplane when the system is operating. To reduce risk of an electric shock,
keep hands and fingers out of the power supply bays and backplane areas.
Statement 166

Step 1

Locate the three fan trays at the front of the bay.

Figure 17-8

shows an unpopulated ONS 15600 with one

of the three fan trays and the fan-tray air filter removed.

Purpose

This task clears an external switching command on a path protection
circuit.

Tools/Equipment

None

Prerequisite Procedures

DLP-E103 Initiate a Manual Switch on a Path Protection Circuit, page
17-3

, or

DLP-E104 Initiate a Force Switch to a Path Protection Circuit, page
17-4

, or

DLP-E169 Initiate a Lockout on a Path Protection Path, page 17-54

Required/As Needed

As needed

Onsite/Remote

Onsite or remote

Security Level

Provisioning or higher

Purpose

This task verifies that all fans are working before you insert the cards.
Insufficient cooling by the fans can damage the equipment.

Tools/Equipment

None

Prerequisite Procedures None

Required/As Needed

Required

Onsite/Remote

Onsite

Security Level

None

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