Juniper QFX5200 User Manual

equipment. Any wear and tear due to frequent plugging and unplugging is then absorbed by the
short ber extension, which is easier and less expensive to replace than the instruments.
• Keep ber-opc cable connecons clean. Microdeposits of oil and dust in the canal of the transceiver
or cable connector can cause loss of light, reducon in signal power, and possibly intermient
problems with the opcal connecon.
• To clean the transceiver canal, use an appropriate ber-cleaning device such as RIFOCS Fiber
Opc Adaptor Cleaning Wands (part number 946). Follow the instrucons in the cleaning kit you
use.
• Aer cleaning the transceiver, make sure that the connector p of the ber-opc cable is clean.
Use only an approved alcohol-free ber-opc cable cleaning kit such as the Opptex Cletop-
S
®
Fiber Cleaner. Follow the instrucons in the cleaning kit you use.
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QFX5200 Network Cable and Transceiver Planning | 76
Powering O a QFX5200
Before you remove the power cord to power o a QFX5200:
• Ensure that you have taken the necessary precauons to prevent electrostac discharge (ESD)
damage. See "Prevenon of Electrostac Discharge Damage" on page 194.
• Ensure that you do not need to forward trac through the switch.
NOTE: Use the following procedure to turn o power on a QFX5200 standalone switch.
Ensure that you have the following parts and tools available to power o the switch:
• An ESD grounding strap
• An external management device such as a PC
• An RJ-45 to DB-9 rollover cable to connect the external management device to the console port
To power o a QFX5200 switch:
1. Connect to the switch using one of the following methods:
144

Juniper QFX5200 Specifications

General

Brand	Juniper
Model	QFX5200
Category	Switch
Language	English