ملخص المحتوى في الصفحة رقم 1
Dual T1/PRI
Network Application Card
Product Reference
Part No. 1.024.1367-01
Version Number 3.1
ملخص المحتوى في الصفحة رقم 2
Dual T1/PRI ® Network Application Card Product Reference Version 3.1 http://www.3com.com/ Part No. 1.024.1367-01
ملخص المحتوى في الصفحة رقم 3
3Com Corporation Copyright © 1999, 3Com Corporation. All rights reserved. No part of this documentation may be reproduced in any form or by any means or used to make any derivative work (such as translation, transformation, or 5400 Bayfront Plaza adaptation) without written permission from 3Com Corporation. Santa Clara, California 3Com Corporation reserves the right to revise this documentation and to make changes in content from time 95052-8145 to time without obligation on the part of 3Co
ملخص المحتوى في الصفحة رقم 4
CONTENTS ABOUT THIS REFERENCE Finding Specific Information in This Reference ........................................i Conventions..........................................................................................ii Contacting 3Com..................................................................................ii 1 OVERVIEW Supported Features ........................................................................... 1-1 Accessing the User Interface.......................................
ملخص المحتوى في الصفحة رقم 5
Menu Option 10...........................................................................2-6 Configuring the span line’s interface ID....................................2-6 Menu Option 11...........................................................................2-6 Configuring span level call-type blocking.................................2-6 Menu Option 12...........................................................................2-6 Configuring span level cause codes ............................
ملخص المحتوى في الصفحة رقم 6
Menu Option 4 .......................................................................... 2-15 Assigning timing source priority ............................................ 2-15 Menu Option 5 .......................................................................... 2-15 Configuring chassis slot devices ............................................ 2-15 Menu Option 6 .......................................................................... 2-16 Configuring the modem routing method ...............
ملخص المحتوى في الصفحة رقم 7
Menu Options 16 and 17..............................................................3-4 Changing span line service state..............................................3-4 Logging Out of the UI Console...........................................................3-5 4 DUAL T1/PRI STATUS DISPLAYS Dual T1/PRI Status Displays.................................................................4-1 Menu Option 1.............................................................................4-2 Checking power-up
ملخص المحتوى في الصفحة رقم 8
Environment...................................................................................... B-2 Shipping and Storage................................................................... B-2 Operating .................................................................................... B-2 Physical Dimensions........................................................................... B-2 v
ملخص المحتوى في الصفحة رقم 9
ABOUT THIS REFERENCE About This Reference provides an overview of this reference, tells where to look for specific information and how to contact 3Com, and lists document conventions. This reference describes how to configure the Dual T1/PRI via its user interface (UI) console. This reference is intended for a network engineer or a network technician. It is assumed that the user of this documentation will possess a working knowledge of LAN and WAN technologies. If the information in the re
ملخص المحتوى في الصفحة رقم 10
ii BOUT HIS EFERENCE A T R Conventions This table lists conventions used throughout this reference. Icon Notice Type Description Information note Information that contains important features or instructions. Caution Information to alert you to potential damage to a program, system, or device. Warning Information to alert you to potential personal injury or fatality. May also alert you to potential electrical hazard. ESD Information to alert you to take proper grounding precautions before ha
ملخص المحتوى في الصفحة رقم 11
OVERVIEW 1 This chapter contains an overview of supported features and instructions for accessing the Dual T1/PRI Network Application Card (NAC) through the user interface (UI) console. Supported Features These features are supported in this release: ■ RFC-1406 (Definitions of Managed Objects for the DS1 and E1 Interface Types) Error Counters—UAS, CCS, and SEFS ■ Increased Number of Modem Pools—from 4 to 12 Accessing the To access the Dual T1/PRI NAC’s UI console, connect the following cables
ملخص المحتوى في الصفحة رقم 12
1-2 HAPTER VERVIEW C 1: O Callout # Description 1 RJ-45 connector to NIC’s RS-232 port 2 DB-25 male connector to modem for remote operations 3 DB-25 female-to-female null modem adapter to PC or terminal
ملخص المحتوى في الصفحة رقم 13
DUAL T1/PRI CONFIGURATION 2 This chapter provides configuration information for span lines 1 and 2, inbound call routing, software fault event logging, and the card. Configuring Span Configure span lines 1 and 2 by selecting options 5 and 6 from the user Lines 1 and 2 interface (UI) console’s main menu. Copyright | 3Com Corporation, 1998 Dual T1/PRI Application Card Revision 3.1.4 (Card Id: 27) Boot Code Linked Date : Mon Dec 04 17:41:48 1995 Operation Code Linked Date: Tue Feb 23
ملخص المحتوى في الصفحة رقم 14
2-2 HAPTER UAL ONFIGURATION C 2: D T1/PRI C The UI console menu options for configuring both spans are identical. Selecting options 5 or 6 from the main menu produces this screen for that span: Span Line 1 Configuration Current Setting 1 Framing Mode ESF 2 Line Coding B8ZS 3 Remote Loopback Ignore 4 Jitter Attenuation Transmitter 5 Transmit Line Build Out 0.0 fN 6 Switch Type
ملخص المحتوى في الصفحة رقم 15
Configuring Span Lines 1 and 2 2-3 This diagram represents this process. Encoded HDB3 Signal Bit Stream Framer Circuitry Line Interface Unit Transformer Configure the NAC framer to respond or ignore the loop-up/loop-down pattern from the Telco. Menu Option 4 Configuring the span line’s jitter attenuation Jitter attenuation on the span line enhances the network interface card (NIC) tolerance to jitter. The NIC’s hardware provides a 193-bit frame buffer to compensate for low frequency jitter on
ملخص المحتوى في الصفحة رقم 16
2-4 HAPTER UAL ONFIGURATION C 2: D T1/PRI C There are four attenuation values to choose from: ■ 0.0 dB (default) ■ 7.5 dB ■ 15.0 dB ■ 22.5 dB Menu Option 6 Configuring for the Telco’s switch type In order to receive or place calls to the Telco on the span line, configure the NAC to work with the type of switch the Telco is using. The following switch types are supported: ■ 4ESS (AT&T) ■ 5ESS (AT&T) ■ DMS 100 (Northern Telecom) ■ INS-1500 (NTT) ■ NI2 Menu option 6 displays a configured and an a
ملخص المحتوى في الصفحة رقم 17
Configuring Span Lines 1 and 2 2-5 Menu Option 8 Mapping the span line’s DS0s to chassis modems The Total Control chassis contains 17 NAC slots. Two typical chassis configurations are: ■ Configuration 1 ■ Slot 1: T1/PRI Card ■ Slots 2–16: Quad Modem or Quad I-modem Cards ■ Slot 17: Network Management Card ■ Configuration 2 ■ Slot 1: T1/PRI Card ■ Slots 2–15: Quad Modem/Quad I-modem Cards ■ Slot 16: NETServer or NETServer PRI Card ■ Slot 17: Network Management Card Each of the slots populated by
ملخص المحتوى في الصفحة رقم 18
2-6 HAPTER UAL ONFIGURATION C 2: D T1/PRI C Menu Option 9 Configuring the span line’s signaling channel If using non-facility associated signaling (NFAS), configure a B- or D-channel for signaling purposes. Menu Option 10 Configuring the span line’s interface ID If using NFAS, configure the interface ID specified by the Telco with this option. The default is 0 for non-NFAS. Menu Option 11 Configuring span level call-type blocking Span level call-type blocking allows specific types of calls
ملخص المحتوى في الصفحة رقم 19
Configuring Span Lines 1 and 2 2-7 The following types of cause codes are supported: Cause Code Type Default Cause Code Value Description A 58 All calls blocked B 58 Analog calls blocked C 58 Digital calls blocked D 58 No modems available E 58 No gateway available Use the following syntax when configuring this option: CCT:CCV Where: CCT = Cause code type CCV = Cause code value (0–127) Pressing R at the prompt resets all codes to the default value of 58. Configuration changes will take place imm
ملخص المحتوى في الصفحة رقم 20
2-8 HAPTER UAL ONFIGURATION C 2: D T1/PRI C Where: BCT = blocked call type (A for analog calls, N for none, D for digital, B for both analog and digital.) DS0# = DS0 number, 1–23 (24 is reserved as the D-channel) The blocked call-type column has two subheadings: configured and current. As changes are made to this screen, the configured and current column are updated to reflect the new configuration. If DS0 call-type blocking commands were issued to the T1/PRI through Total Control Manager so
