Cisco 15454-TCC - Network Processor Card Manuale utente

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Installing ONS 15454 SDH TCC-I Cards

Product Name: 15454E-TCC-I=

This document contains a description of TCC-I card features, installation procedures, removal

instructions, and technical specifications. Use this document in conjunction with the Cisco ONS 15454

SDH Installation and Operations Guide and the Cisco ONS 15454 SDH Troubleshooting and Reference

Guide when working with TCC-I cards.

This document contains the following sections:

•“TCC-I Timing Communication and Control Card Description” section on page 2

•“TCC-I Card Specifications” section on page 5

•“Installation Procedures” section on page 6

•“Removal Procedures” section on page 7

•“Related Documentation” section on page 9

•“Obtaining Documentation and Submitting a Service Request” section on page 10

This document contains the following procedures:

“Installation Procedures” procedure on page 6

“Card Turn Up” procedure on page 7

“Verify Successful Turn Up of the TCC-I Card” procedure on page 7

“Removal Procedures” procedure on page 7

“Initiate a Software Reset” procedure on page 8

Note For information about circuits and card capacities, see the Cisco ONS 15454 SDH Installation and

Operations Guide.

Installing ONS 15454 SDH TCC-I Cards

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TCC-I Timing Communication and Control Card Description

The TCC-I performs system initialization, provisioning, alarm reporting, maintenance, diagnostics, IP

address detection/resolution, SDH SOH Data Communications Channel (DCC) termination, and system

fault detection for the ONS 15454 SDH. The TCC-I also ensures that the system maintains Stratum 3 E

(G.813) timing requirements. Figure 1 shows the TCC-I faceplate and Figure 2 shows a block diagram

of the card.

Figure 1 TCC-I faceplate

61207

FAIL

ACT/STBY

ACO

CRIT

MIN

REM

SYNC

ASYNC

LAN

MAJ

ACO

TCC-I

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TCC-I Timing Communication and Control Card Description

Figure 2 TCC-I block diagram

TCC-I Functionality

The TCC-I supports multichannel, high-level data link control (HDLC) processing for the DCC. Up to

48 DCCs can be routed over the TCC-I and up to ten DCCs can be terminated at the TCC-I (subject to

available optical digital communication channels). The TCC-I selects and processes ten DCCs to

facilitate remote system management interfaces.

The TCC-I also originates and terminates a cell bus carried over the module. The cell bus supports links

between any two cards in the system, which is essential for peer-to-peer communication. Peer-to-peer

communication accelerates protection switching for redundant cards.

The node database, IP address, and system software are stored in TCC-I non-volatile memory, which

allows quick recovery in the event of a power or card failure.

The TCC-I performs all system-timing functions for each ONS 15454 SDH. The TCC-I monitors the

recovered clocks from each traffic card and two BITS ports for frequency accuracy. The TCC-I selects

a recovered clock, a BITS or an internal Stratum 3 E reference as the system-timing reference. You can

provision any of the clock inputs as primary or secondary timing sources. A slow-reference tracking loop

allows the TCC-I to synchronize with the recovered clock, which provides holdover if the reference is

lost.

DCC

Processor

Flash

Control

Processor

Framer/

LIU

RAM

FlashRAM

TDM/SCC Mux

Message

Router

TDM

Crossconnect

Timing

Controller

10BaseT

Craft

10BaseT

Modem

Ethernet

Hub

61208

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TCC-I Timing Communication and Control Card Description

Install TCC-I cards in Slots 7 and 11 for redundancy. If the active TCC-I fails, traffic switches to the

protect TCC-I. All TCC-I protection switches conform to protection switching standards when the BER

counts are not in excess of 1*10-3 and completion time is less than 50 ms.

The TCC-I uses a 10Base-T LAN port for user interfaces, being led via the back plane to the port

accessible on the front panel of the MIC-C/T/P unit.

Note Cisco does not support operating the ONS 15454 SDH with only one TCC-I card. For full functionality

and to safeguard your system, always operate in a redundant configuration.

Note CTC software does not monitor for the presence or absence of FMECs unless the TCC-I(s) card has

reached the active/standby state. During transitional states such as power-up or TCC-I reset CTC ignores

the FMEC inventory displayed in node view.

Note When a second TCC-I card is inserted into the shelf, it will synchronize its software, its backup software,

and its database with the active TCC-I.

If its software version does not match the version on the active TCC-I, the newly inserted TCC-I will

copy from the active TCC-I. This copying will take about 15 to 20 minutes.

If its backup software version does not match the version on the active TCC-I, the newly inserted TCC-I

will copy the backup software from the active TCC-I. This copying, again, will take about 15 to 20

minutes.

Copying the database from the active TCC-I will take about 3 minutes.

So, depending on the software existing in the new TCC-I, booting it up will take between 3 and about

40 minutes.

TCC-I Card-Level Indicators

The TCC-I faceplate has eight LEDs. The first two LEDs are card-level indicators.

Network-Level Indicators

The TCC-I faceplate has eight LEDs. Six LEDs are network-level indicators.

Table 1 TCC-I Card-Level Indicators

Card-Level LEDs Definition

Red FAIL LED This LED is lit during Reset. The FAIL LED flashes during the boot and

write process. Replace the unit if the FAIL LED persists.

ACT/STBY LED

Green (Active)

Yellow (Standby)

The ACT/STBY (Active/Standby) LED indicates the TCC-I is active

(green) or in standby (yellow). The ACT/STBY LED also provides the

timing reference and shelf control. When the TCC-I is writing to the Active

or Standby TCC-I, its Active or Standby LED will blink. Do not pull the

TCC-I out during this time to avoid memory corruption.

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TCC-I Timing Communication and Control Card Description

TCC-I Card Specifications

•CTC Software

–

Interface: 10 Base-T LAN (via back plane)

–

Access: on the MIC-A/P unit

•Synchronization

–

Stratum 3 E, per ITU-T G.813

–

Free running access: accuracy + 4.6 ppm

–

Holdover Stability: 3.7 * 10-7 /day including temperature (<255 slips in first 24 hours)

–

Reference: External BITS, line, internal

•Environmental

–

Operating Temperature: -5 to +45 degrees Celsius

–

Operating Humidity: 5 - 95%, non-condensing

–

Power Consumption: 9.82 W, 0.20 A (AMPS) @ -48V, 33.5 BTU/Hr.

•Dimensions

–

Height: 321.3 mm, (12.650 in.)

–

Width: 18.2 mm, (0.716 in.)

–

Depth: 228.6 mm, (9.000 in.)

–

Depth with backplane connector: 235 mm, (9.250 in.)

–

Weight not including clam shell: 0.7 kg (1.5 lbs.)

•Compliance

ONS15454 SDH cards, when installed in a system, comply with these standards:

–

Safety: IEC 60950, EN 60950, UL 60950, CSA C22.2 No. 60950, TS 001, AS/NZS 3260

Table 2 TCC-I System-Level Indicators

System-Level LEDs Definition

Red CRIT LED Used to indicate critical alarms in the network at the local terminal.

Red MAJ LED Used to indicate major alarms in the network at the local terminal.

Yellow MIN LED Used to indicate a minor alarm in the network at the local terminal.

Red REM LED Provides first-level alarm isolation. The REM LED turns red when an alarm

is present in one or several of the remote terminals.

Green SYNC LED Used to indicate that node timing is synchronized to an external reference.

Green ACO LED After pressing the alarm cutoff (ACO) button, the green ACO LED

illuminates. The ACO button opens the audible closure on the backplane.

ACO state is stopped if a new alarm occurs. After the originating alarm is

extinguished, the ACO LED and audible alarm control are reset.

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Installation Procedures

Use this section if you are installing or removing the TCC-I card for the first time. After you become

familiar with ONS 15454 SDH card installation and boot up, use this section as a reference.

Caution Always use the supplied electrostatic discharge (ESD) wristband when working with an ONS 15454

SDH. Plug the wristband cable into the ESD jack located on the lower right outside edge of the shelf

assembly and ensure the shelf assembly is properly grounded.

Caution Hazardous voltage or energy may be present on the backplane when the system is operating. Use caution

when servicing.

Step 1 Open the card ejectors.

Step 2 Carefully insert the card into the guide rails of the desired slot (Figure 3 on page 6). The TCC-I card

has to be inserted into slot 7 or slot 11.

Step 3 Push the card into the connector on the back plane by closing the ejectors.

Figure 3 Installing cards in an ONS 15454 SDH

61239

FANFAIL CRIT MAJMIN

Guide rail

Ejector

Installing ONS 15454 SDH TCC-I Cards

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Removal Procedures

Card Turn Up

Follow the steps in this section to verify card turn up. If one or more of the Cisco Transport Controller

(CTC) software screen conditions according to “Verify Successful Turn Up of the TCC-I Card” section

on page 7 are not met, re-install the card. Replace the unit if the faulty state persists.

Verify Successful Turn Up of the TCC-I Card

Step 1 Verify that power is applied to the shelf assembly.

Step 2 Verify that the TCC-I card has been installed in the correct slot (Slot 7 or slot 11).

Note The TCC-I card takes several minutes to reboot and display the amber standby LED after rebooting.

Note When a second TCC-I card is inserted into the shelf, it will synchronize its software, its backup

software, and its database with the active TCC-I.

If its software version does not match the version on the active TCC-I, the newly inserted TCC-I will

copy from the active TCC-I. This copying will take about 15 to 20 minutes.

If its backup software version does not match the version on the active TCC-I, the newly inserted

TCC-I will copy the backup software from the active TCC-I. This copying, again, will take about 15

to 20 minutes.

Copying the database from the active TCC-I will take about 3 minutes.

So, depending on the software existing in the new TCC-I, booting it up will take between 3 and about

40 minutes.

Step 3 Verify that the card appears in the correct slot on the CTC software screen.

Step 4 Verify that the card is white on the CTC software screen.

Step 5 Verify that the card is shown in Inventory on the CTC software screen.

Removal Procedures

Use this section if you are installing or removing the TCC-I card for the first time. After you become

familiar with ONS 15454 SDH card installation and boot up, use this section as a reference.

Caution Always use the supplied electrostatic discharge (ESD) wristband when working with an ONS 15454

SDH. Plug the wristband cable into the ESD jack located on the lower right outside edge of the shelf

assembly and ensure the shelf assembly is properly grounded.

Caution Hazardous voltage or energy may be present on the backplane when the system is operating. Use caution

when servicing.

Installing ONS 15454 SDH TCC-I Cards

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Removal Procedures

Note To determine whether the TCC-I card is in active mode or standby mode, view it in the CTC software

and position the cursor over the TCC-I card graphic to display the status.

Step 1 If you need to perform a card pull on an active TCC-I card, initiate a software reset on the active TCC-I

card first. (See the “Initiate a Software Reset” section on page 8).

Step 2 When the TCC-I is in standby mode, unlatch the top and bottom ejector levers on the TCC-I card.

Step 3 Carefully remove the card from the shelf.

Initiate a Software Reset

Step 1 Log into the CTC software.

Step 2 Right-click the TCC-I card to reveal a pull-down menu.

Step 3 Click Reset Card. (See Figure 4).

Figure 4 Resetting from the TCC-I card pull-down menu

Step 4 Click Ye s in the dialog box when the "Are You Sure?" prompt appears.

Step 5 Click OK in the dialog box when the "Lost connection to node, changing to Network View" prompt

appears.

Step 6 Confirm that the TCC-I card is in standby mode after the reset.

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Related Documentation

•DOC-7813038= Cisco ONS 15454 SDH Installation and Operations Guide

•DOC-7813037= Cisco ONS 15454 SDH Troubleshooting and Reference Guide

Installing ONS 15454 SDH TCC-I Cards

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Obtaining Documentation and Submitting a Service Request

For information on obtaining documentation, submitting a service request, and gathering additional

information, see the monthly What’s New in Cisco Product Documentation, which also lists all new and

revised Cisco technical documentation, at:

http://www.cisco.com/en/US/docs/general/whatsnew/whatsnew.html

Subscribe to the What’s New in Cisco Product Documentation as a Really Simple Syndication (RSS)

feed and set content to be delivered directly to your desktop using a reader application. The RSS feeds

are a free service and Cisco currently supports RSS version 2.0.

This document is to be used in conjunction with the documents listed in the “Related Documentation” section.

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All other trademarks mentioned in this document or Website are the property of their respective owners. The use of the word partner does not imply a

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