Juniper Networks T1600 User Manual download pdf (Page 27)

NOTE: After a power supply is powered on, it can take up to 60 seconds for status

indicators—such as the LEDs on the power supply, the show chassis command

display, and messages on the LED display on the craft interface—to indicate that the

power supply is functioning normally. Ignore error indicators that appear during the

first 60 seconds.

Verify that the CB ON LEDs on the power supply faceplate are lit steadily. The

CB ON LEDs blink momentarily, then light steadily to indicate that the circuit

breakers are on.

Verify that the DC OK LED on the power supply faceplate is lit steadily, indicating

that the power supply is correctly installed and is functioning properly.

NOTE: After powering on a power supply, wait at least 60 seconds before turning it

off. If the system is completely powered off when you power on the power supply,

the Routing Engine boots as the power supply completes its startup sequence. If the

Routing Engine finishes booting and you need to power off the system again, first

issue the CLI request system halt command.

After powering off a power supply, wait at least 60 seconds before turning it back

on.

Upgrading SIBs

To convert an operational T640 routing node to a T1600 routing node, you upgrade

the standard SIBs or SIBs version B in the T640 routing node to T1600-SIBs. You

repeat the upgrade procedures for each of the five SIBs in the routing node.

NOTE: During the SIB upgrade:

■ The routing node should not experience packet loss if the traffic is less than

50 percent per Packet Forwarding Engine in each FPC.

■ The routing node might experience some packet loss if the traffic is more than

50 percent per Packet Forwarding Engine in each FPC, depending on the

operational environment.

For more information, contact your customer support representative.

■ Overview of Upgrading the SIBs on page 28

■ Preparing to Upgrade the SIBs on page 29

■ Tools Required on page 30

■ Removing a Standard SIB or SIB Version B on page 30

■ Installing a T1600-SIB on page 32

Upgrading SIBs ■ 27

Upgrading SIBs

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Juniper Networks T1600 User Manual Page 27