QUICK START GUIDE
InstallingCisco uBR-MC16U/X and uBR-E-16U
Cable Interface Line Cards
1Purpose
2Feature Description
3Prerequisites
4Installing the Card
5Removing the Card
6Troubleshooting
7Technical Specifications
8Related Documentation
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This quick start guide shows you how to install a Cisco uBR-MC16 cable interface line card in the Cisco uBR7200 series router.
The Cisco uBR-MC16 cable interface line card improves RF performance, supports spectrum management, increases system performance and supports online insertion and removal (OIR). The line card is available in three configurations:
•Cisco uBR-MC16U—With an onboard upconverter and green end tabs
•Cisco uBR-E-16U—With an onboard upconverter and slate blue end tabs
•Cisco uBR-MC16X—Without an onboard upconverter and yellow end tabs
•The Cisco NPE-400 or the Cisco NPE-G1 or the Cisco NPE-G2 network processing engine must be used with this card.
•If you are using the Cisco uBR-MC16 line card to replace a different type of card, you must reconfigure the MC16U/X/E card.
•We recommend that you reload a Cisco 7200 series router when replacing a cable interface line card with a card of a different type.
Note The uBR-E-16U line card is an entry-level version of the uBR-MC16U line card, and fits only in the uBR7225VXR chassis.
Step 1 Make sure that you are grounded.
Step 2 Use both hands to grasp the line card by its metal carrier edges and align the line card with the slot guides, component side up.
Step 3 With the metal carrier aligned in the slot guides (see Figure 1), briskly slide the card into the card slot until you feel it seat in the backplane connectors.
Step 4 Tighten the captive screws.
Note The captive screws provide grounding for the electromagnetic interference (EMI) shielding.
Figure 1 Installing the Card in the Chassis
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Note The cable interface line card insertion and removal method is the same for all the Cisco uBR7200 series routers.
•Cisco uBR-MC16U—Green tabs
•Cisco uBR-E-16U—Slate blue tabs
•Cisco uBR-MC16X—Yellow tabs
Figure 2 Cisco uBR-MC16U
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The Cisco uBR-MC16U/E-16U cable interface line card has an onboard upconverter. To cable the card:
Step 1 Connect the downstream cable to the downstream (DS) port.
The RF downstream port rings and end tabs are green for uBR-MC16U (see Figure 2) and slate blue for uBR-E-16U.
Step 2 Connect the upstream cables to the upstream ports (US0—US5).
The Cisco uBR-MC16X cable interface line card (not supported on Cisco uBR7225VXR) does not have an onboard upconverter. The card may require up to 10-dB of attenuation due to a higher IF output power (higher than legacy Cisco cable interface line cards). To cable the card:
Step 1 Connect the downstream cable to the downstream (DS) port on the card.
The IF downstream port ring and end tabs are yellow. See Figure 3.
Step 2 Add RF attenuators as required to get the correct IF output. Insert the attenuator between the downstream IF output cable and the upconverter. See Figure 3.
Step 3 Connect the upstream cables to the upstream ports on the card (US0—US5).
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