Cisco Systems uBR10-MC5X20H Network Card User Manual


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Installing
Cisco uBR10-MC5X20S/U/H
Cable Interface Line Cards
1 Feature Description
2 Installing the Card
3 Removing the Card
4 Troubleshooting
5 Technical Specifications
6 Related Documentation
Warning
Only trained and qualified
personnel should be allowed to
install, replace, or service this
equipment.
Caution Use an ESD-preventive wrist or ankle
strap during the line card installation.
1 Feature Description
The Cisco uBR10-MC5X20S, U, and H cable
interface line cards transmit and receive RF signals
between the subscriber and the headend.
Frequency ranges:
• Cisco uBR10-MC5X20S—5–42 MHz
• Cisco uBR10-MC5X20U—5–65 MHz
• Cisco uBR10-MC5X20H—5–65 MHz
The Cisco uBR10-MC5X20S/U/H cards have five
downstream (DS) ports and twenty upstream (US)
ports. The US ports are either fixed to a specific DS
port or dynamically assigned to one or more DS
ports, depending on the Cisco IOS software
release.
Figure 1 Cisco uBR10-MC5X20S/U/H
2 Installing the Card
If you are replacing a Cisco uBR10-MC5X20S or U
card with a Cisco uBR10-MC5X20U or H card,
you must reconfigure the card.
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Step 1 Make sure that you are grounded using an
ESD-preventive wrist or ankle strap.
Step 2 Remove the protective sticker covering the
DS ports.
Step 3 Verify that the ejector levers are open.
Step 4 Grasp the faceplate with one hand and
place your other hand under the card.
Step 5 Align the upper and lower edges of the
card with the upper and lower guides in
the chassis.
Figure 2 Installing the Card
Step 6 Slide the card into the slot until you can
feel it seat in the backplane connectors.
Step 7 Close both ejector levers to secure the card
in the chassis. Engage and begin tightening
the captive screws first by hand. Then, use
either a T-10 Torx (included in the line
card accessory kit) or a common flathead
screwdriver to tighten the captive screws
between 5 to 7 in-lbs.
Caution Only tighten the captive screws to a
maximum of 7 in-lbs.
72766
Ejector levers
Captive screws
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ESD-preventive
strap
Tip Make sure that the captive screws are
secure for proper electromagnetic
interference (EMI) shielding.
Cabling the Card
Depending on your universal cable holder (UCH),
refer to Cabling the Cisco uBR10-MC5X20S/U/H
Interface Line Card with UCH1 Quick Start Guide
or Cabling the Cisco uBR10-MC5X20S/U/H
Interface Line Card with UCH2 Quick Start
Guide.
3 Removing the Card
Shut down the card interface before removing the
card from the chassis. Refer to “Shutting Down
and Restarting the Interface” in the
Cisco uBR10012 Software Configuration Guide.
If the maintenance LED is on, you can remove the
card without affecting system operations.
Removing the UCH
For more information about the universal cable
holders UCH1 and UCH2, refer to Cabling the
Cisco uBR10-MC5X20S/U/H Interface Line Card
with UCH1 and Cabling the Cisco uBR10-
MC5X20S/U/H Interface Line Card with UCH2.