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Installing and Replacing Hardware
Service is interrupted to the entire system when the NI-2 card is removed unless a secondary NI-2 card
Caution
is installed in the chassis. If a secondary NI-2 card is not installed, ensure that a service interruption is
acceptable before proceeding.
If a secondary NI-2 card is installed in the chassis, removing the active NI-2 card causes a switchover to
the standby NI-2 card, which interrupts data traffic for approximately 60 seconds.
Removing a standby NI-2 card does not interrupt service to the system.
Proper ESD protection is required each time you handle Cisco DSLAM equipment. Installation
Caution
and maintenance personnel should be properly grounded by means of ground straps to eliminate the risk
of ESD damage to the equipment. Cards are subject to ESD damage each time they are removed from
the chassis.
Installing the cards in the chassis with the power leads reversed can damage the cards.
Caution
The power supply circuitry for the Cisco DSLAM equipment can constitute an energy hazard. Before
Warning
you install or replace the equipment, remove all jewelry (including rings, necklaces, and watches).
Metal objects can come into contact with exposed power supply wiring or circuitry inside the DSLAM
equipment. This could cause the metal objects to heat up and cause serious burns or weld the metal
object to the equipment.
Do not reach into a vacant slot or chassis while you install or remove a line card or a fan. Exposed
Warning
circuitry could constitute an energy hazard.
All cards must be fully seated in the chassis. A push on the faceplate of each card is required for the card
Note
to be fully seated.
6.3.2.1 Installing a DS3/2DS3 NI-2 Card
Complete the following steps to install a DS3/2DS3 NI-2 card in the chassis. It is important to complete
each step before moving on to the next step.
Connect a grounding strap to the ESD grounding jack that is located on the top right of the Cisco 6260
Step 1
card cage.
Inspect the NI-2 card. Verify that the daughterboard is fully seated on the main board.
Step 2
Verify that slots 10 and 11 of the Cisco 6260 chassis have no bent pins.
Step 3
Vertically align the card edge with the card guides at the top and bottom of slot 10 or slot 11 in
Step 4
the chassis.
Figure 6-5
are the same for all NI-2 card types.
Cisco 6260 Hardware Installation Guide
6-10
shows the NI-2 card installation for a Cisco 6260 chassis. The basic installation procedures
Chapter 6
Upgrading and Maintaining the Cisco 6260 System
OL-2365-02
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