Cisco UBR-E-16U Bedienungsanleitung

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OL-18974-01

QUICK START GUIDE

Installing Cisco 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

Warning

Only trained and qualified

personnel should be allowed to

install, replace, or service this

product.

Caution You must be properly grounded

before handling this

ESD-sensitive product.

1 Purpose

This quick start guide shows you how to install a

Cisco uBR-MC16 cable interface line card in the

Cisco uBR7200 series router.

2 Feature Description

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

3 Prerequisites

•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.

4 Installing the Card

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

Note The cable interface line card insertion and

removal method is the same for all the

Cisco uBR7200 series routers.

Cabling

•Cisco uBR-MC16U—Green tabs

•Cisco uBR-E-16U—Slate blue tabs

•Cisco uBR-MC16X—Yellow tabs

Figure 2 Cisco uBR-MC16U

95800

US1

US2

US3

US4

US5

US6

US7

DS0-RF

DS1-RF

uBR-MC28U

uBR - MCI6E

ENABLED

95801

uBR - MC16E

US0

US1

US2

US3

US4

US5

ENABLED

Cabling the Cisco uBR-MC16U/E-16U

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).

Cabling the Cisco uBR-MC16X

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).

Figure 3 Inserting an Attenuator

Note All upstream ports are light blue.

5 Removing the Card

To prevent the alarms from activating,

administratively shut down the card using the

shutdown command in interface configuration

mode before removing it from the chassis.

Step 1 Make sure that you are properly

grounded.

Step 2 Disconnect all the cables from the cable

interface line card.

Step 3 Unscrew the captive installation screws on

the faceplate.

Figure 4 Removing the Card from the Chassis

Step 4 Grasp the handle and carefully pull the

card out of its slot (see Figure 4).

uBR - MC16X

US0

US1

US2

US3

US4

US5

ENABLED

95804

Upconverter

Attenuator

Cable

Connector

95802

US0

US1

US2

US3

US4

US5

US6

US7

ENABLED

DS0-RF

DS1-RF

uBR- MC28U

uBR - MCI6E

ENABLED

Caution Always handle the cable interface line

card by the carrier edges and handle;

never touch the card's components or

connector pins.

Step 5 Place the card on an antistatic surface with

the component side facing up.

Note If the card is being returned to the factory,

immediately place it in a static shielding

bag and proper packaging for protection.

Caution For proper cooling and airflow,

always install a line card cover in an

empty line card slot.

6 Troubleshooting

Check the following:

1. Make sure that the card is securely seated in

the chassis.

If the captive screws do not tighten all the way,

the card is not properly seated in the chassis or

backplane. Carefully pull the card halfway out

of the slot, reinsert it, and tighten the captive

installation screws.

Caution A partially seated line card can cause

the router to reboot.

2. Are all enabled LEDs on?

If yes, the system is operational.

If no, check the following possibilities:

a. Verify that the card has been enabled and

configured for operation. The enabled

LED remains off when a card has not been

configured and enabled.

b. If a port is enabled but its corresponding

enabled LED is still off, check to see if the

card has pulled away from the backplane.

Reseat the card in its slot. (You do not

have to turn off the system power to do

this.) After the system reinitializes the

interfaces, the enabled LED on the card

should come on.

3. If the enabled LED remains off after the above

checks, it is likely that the system has detected

a processor hardware failure.

Contact Cisco TAC for further information

and help. To access the Cisco TAC website, use

the URL: http://www.cisco.com/tac

Figure 5 LEDs

7 Technical Specifications

Ta b l e 1 L E D s / S t a t u s

LED/Status Description

ENABLED—Green

ENABLED—Off

Card operating normally

Card not enabled

US—Green

US—Off

Upstream enabled

Upstream not enabled

DS—Green

DS—Off

Downstream enabled

Downstream not enabled

Ta b l e 2 Te c h n i c a l S p e c i f i c a t i o n s

Description Order Num/ Specifications

Cisco uBR-MC16U,

with upconverter

Cisco uBR-E-16U,

with upconverter

Cisco uBR-MC16X,

without upconverter

UBR-MC16U,

UBR-MC16U=

UBR-E16U, UBR-E16U=

UBR-MC16X,

UBR-MC16X=

95803

uBR - MC16E

US0

US1

US2

US3

US4

US5

ENABLED

Downstream

LEDs

Enabled LED

Upstream

LEDs

US0-US5

8 Related Documentation

•Cisco uBR7200Series Universal Broadband

Hardware Installation Guide

•Cisco uBR7200 Series Cable Interface Line

Card Installation Guide

•Cisco uBR7200 Series Software Configuration

Guide

•Cisco IOS CMTS Cable System Messages

Guide

•Cisco CMTS Feature Guide

For information about the 1–year warranty, see the

following URL:

http://www.cisco.com/en/US/products/prod_warra

nties_listing.html

Blank covers UBR-MC-COVER=

Weight—MC16U/

E-16U

Weight—MC16X

5.25 lbs (2.38 kg)

4.75 lbs (2.16 kg)

Power

MC16U/E-16U

MC16X

62 Watts (211.6 BTU/h)

47 Watts (160.4 BTU/h)

RF output power range—50 to 61 dBmV

Output—MC16U/

E-16U

Output—MC16X

+50 to 61 dBmV at RF

+42 dBmV at IF (+/-2 dB)

Modulation

Upstream (US0–US5) QPSK

8-, 16-, 32-, 64-QAM

Downstream (DS) 64-QAM, 256-QAM

Frequency range

Upstream

Downstream

5–65 MHz

70–860 MHz

The Cisco MC16 line card is compatible with

most cable systems worldwide, including but not

limited to Asia Pacific, Europe, and the Americas.

See Cisco IOS release notes for more information.

Table 2 Technical Specifications (continued)

Description Order Num/ Specifications

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