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Contents

vi

HSIM-W87 User’s Guide

 

CHAPTER 5

TROUBLESHOOTING

 

5.1

Troubleshooting the HSIM-W87..................................................5–1
5.1.1

Hardware Troubleshooting .............................................5–1

5.1.2

Investigating Software Configuration Problems .............5–3

5.1.3

Problems with the Firmware Image................................5–3

 

APPENDIX A

SPECIFICATIONS

 

A.1

Physical Properties ..................................................................... A-1

A.2

Environmental Requirements...................................................... A-1

A.3

Regulatory Compliance............................................................... A-2

 

APPENDIX B

TYPICAL CONFIGURATION

APPENDIX C

WAN TERMS AND ACRONYMS

Содержание HSIM-W87

Страница 1: ...HSIM W87 TX RX TELCO T3 LNK STS CPU Title Page HSIM W87 User s Guide 9032689 02 ...

Страница 2: ......

Страница 3: ...emarks or registered trademarks of their respective companies FCC NOTICE This device complies with Part 15 of the FCC rules Operation is subject to the following two conditions 1 this device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation NOTE This equipment has been tested and found to comply with...

Страница 4: ... equipment is used in a domestic environment radio disturbance may arise When such trouble occurs the user may be required to take corrective actions CABLETRON SYSTEMS INC PROGRAM LICENSE AGREEMENT IMPORTANT Before utilizing this product carefully read this License Agreement This document is an agreement between you the end user and Cabletron Systems Inc Cabletron that sets forth your rights and o...

Страница 5: ... IN NO EVENT SHALL CABLETRON OR ITS SUPPLIERS BE LIABLE FOR ANY DAMAGES WHATSOEVER INCLUDING WITHOUT LIMITATION DAMAGES FOR LOSS OF BUSINESS PROFITS BUSINESS INTERRUPTION LOSS OF BUSINESS INFORMATION SPECIAL INCIDENTAL CONSEQUENTIAL OR RELIANCE DAMAGES OR OTHER LOSS ARISING OUT OF THE USE OR INABILITY TO USE THIS CABLETRON PRODUCT EVEN IF CABLETRON HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAG...

Страница 6: ...Notice iv HSIM W87 User s Guide ...

Страница 7: ...entions 1 7 1 6 Related Documentation 1 8 1 7 Getting Help 1 9 CHAPTER 2 INSTALLATION 2 1 Unpacking the HSIM W87 2 1 2 2 Installing the HSIM W87 2 2 2 2 1 Installing the HSIM W87 in an Interface Module 2 2 2 2 2 Installing the HSIM W87 in a Standalone Device 2 5 2 3 Connecting the HSIM W87 to the Network 2 6 2 4 HSIM W87 Setup 2 6 CHAPTER 3 LANVIEW LEDs 3 1 LANVIEW LEDs 3 1 CHAPTER 4 MANAGEMENT 4 ...

Страница 8: ...ware Troubleshooting 5 1 5 1 2 Investigating Software Configuration Problems 5 3 5 1 3 Problems with the Firmware Image 5 3 APPENDIX A SPECIFICATIONS A 1 Physical Properties A 1 A 2 Environmental Requirements A 1 A 3 Regulatory Compliance A 2 APPENDIX B TYPICAL CONFIGURATION APPENDIX C WAN TERMS AND ACRONYMS ...

Страница 9: ...tors a transmit and a receive port Figure 1 1 shows the HSIM W87 Figure 1 1 HSIM W87 1 1 USING THIS MANUAL Reading through this manual completely will help you understand the features and capabilities of the HSIM W87 The following list provides an overview of each section of this manual Chapter 1 Introduction outlines the contents of this manual describes the HSIM W87 features and concludes with a...

Страница 10: ...yms used in this manual 1 2 OVERVIEW The HSIM W87 extends the functionality of certain Cabletron Systems platforms by providing an interface for Wide Area Network WAN DS3 services The HSIM W87 is a High Speed Interface Module HSIM used to provide WAN services using the SmartSwitch series of products as a platform The HSIM W87 has a physical DS3 interface providing up to 28 separate logical DS1 con...

Страница 11: ...S1 interfaces It also forwards packets received in the DS1 interfaces to or through the host The default and only layer 2 WAN protocol used with the HSIM W87 is raw HDLC The second mode of operation is using Cabletron Systems Inverse Multiplexer IMUX functionality to aggregate multiple DS1 connections into single higher bandwidth WAN connections In order to operate in this mode the user will simpl...

Страница 12: ...rm out the T3 port The host platform notifies the HSIM W87 when a packet is coming and transfers the packet to the memory The HDLC format is applied to the data then the data is framed to a T1 format and passed to the framer Multiplexer The T1 data is multiplexed with other T1 streams and is transmitted out through the T3 interface 1 4 FEATURES Data Transfer Rates of 45 Mbps in full duplex when ru...

Страница 13: ...MUX feature to conserve a user s WAN bandwidth between two Cabletron Systems products over a point to point connection Cabletron Systems products such as the HSIM W6 HSIM W84 HSIM W85 HSIM W87 and CSX400 must be in use on both ends of the WAN link for these functions to work The HDLC RAW protocol reduces the amount of overhead information that needs to be contained within each data packet to direc...

Страница 14: ...and in the Management chapter 1 4 5 DS1 Alarm Using the DS1 Error Threshold Alarm Monitor provides a means of setting error thresholds and notifying the user of potential DS1 problems with SNMP trap events The ds1alarm Monitor feature can be enabled in management using Network Tools Refer to the ds1alarm command in the Management chapter 1 4 6 SNMP and MIB Support With the SNMP support the MIBs su...

Страница 15: ...monitoring system called LANVIEW The HSIM W87 LANVIEW LEDs help you quickly identify status of the device Chapter 3 provides information on the HSIM W87 LEDs 1 5 DOCUMENT CONVENTIONS The following conventions are used throughout this document NOTE Note symbol Calls the reader s attention to any item of information that may be of special importance CAUTION Caution symbol Contains information essent...

Страница 16: ...he keyboard space bar key BACKSPACE Indicates the keyboard backspace key arrow keys Refers to the four keyboard arrow keys Indicates the keyboard key DEL Indicates the keyboard delete key italic type Italic type emphasizes important information indicates variables and indicates complete document titles n nn A period in numerals signals the decimal point indicator e g 1 75 equals one and three four...

Страница 17: ...n Systems products in the network A description of your network environment layout cable type etc Network load and frame size at the time of trouble if known The device history i e have you returned the device before is this a recurring problem etc Any previous Return Material Authorization RMA numbers World Wide Web http www cabletron com Phone 603 332 9400 Internet mail support cabletron com FTP...

Страница 18: ...Chapter 1 Introduction 1 10 HSIM W87 User s Guide ...

Страница 19: ...roper use 4 After removing the module from its antistatic bag visually inspect the device If you notice any signs of damage contact the Cabletron Systems Global Call Center immediately Refer to Section 1 7 for instructions Save the antistatic bag in the event the module must be reshipped or relocated NOTE Before attempting to use the HSIM W87 you should be familiar with the IEEE 802 3 Specificatio...

Страница 20: ... to them Write down the ports and label the cables to make it easier to reattach the network properly after the installation Then disconnect those cables from the ports 2 Attach the antistatic wrist strap refer to the instructions outlined on the antistatic wrist strap package 3 If the interface module is installed in a chassis unlock the top and bottom plastic locking tabs of the module faceplate...

Страница 21: ...he HSIM W87 HSIM W87 User s Guide 2 3 Figure 2 1 Removing the HSIM Coverplate 6 Refer to Figure 2 2 and place the HSIM W87 behind the module faceplate Faceplate Mounting Screws HSIM Coverplate 2555_03 Host Platform ...

Страница 22: ...pins Ensure that the standoffs on the interface module align with the standoff screw holes on the HSIM W87 CAUTION Ensure that the HSIM W87 connector aligns with the module connector pins to prevent bending the pins This can damage both the HSIM W87 and the module Faceplate Mounting Screws mounting Standoffs HSIM Pins HSIM W87 Standoff Screws Connector Cutaway view of connector Connector Interface...

Страница 23: ...ables to make it easier to reattach the network properly after the installation Then disconnect those cables from the ports 3 Attach the antistatic wrist strap refer to the instructions outlined on the antistatic wrist strap package 4 Remove the standalone device chassis cover refer to your specific standalone device documentation for instructions on removing the chassis cover 5 Refer back to Figu...

Страница 24: ... reconnect the power cord and reconnect the standalone device to the network 2 3 CONNECTING THE HSIM W87 TO THE NETWORK The HSIM W87 is connected to the carrier s DS3 service using coaxial cable The 75 Ohm unbalanced coaxial cable may be run a maximum of 450 feet For typical configurations for the HSIM W87 see Appendix B 2 4 HSIM W87 SETUP See Chapter 3 for information on the LEDs Chapter 4 on how...

Страница 25: ...gure 3 1 shows the location of the HSIM W87 LEDs Figure 3 1 HSIM W87 LANVIEW LEDs NOTE The terms flashing blinking and solid used in Table 3 1 indicate the following Flashing indicates an irregular LED pulse Blinking indicates a steady LED pulse approximately 50 on and 50 off Solid indicates a steady LED light No pulsing Status Link CPU w87_LEDs HSIM W87 TX RX TELCO T3 LNK STS CPU ...

Страница 26: ...f Green solid Fully operational Red solid System in reset mode temporary Link LNK Red No Link or Receive signal Amber Traffic on at least one port Green Link but sync may not be present Status STS Off Normal Red Red Alarm Green blinking Receiving Blue Alarm Amber Yellow Alarm Amber blinking Port is performing diagnostics ...

Страница 27: ...M W87 is properly installed in the host platform A management terminal is properly configured and connected either locally or using Telnet to the host platform in which the HSIM W87 resides Refer to the host platform document for further information In order to view the HSIM W87 statistics screens you must navigate through a series of Local Management screens via the host platform Figure 4 1 shows...

Страница 28: ...Download Configuration General Configuration SNMP Community Names Configuration SNMP Traps Configuration Port Configuration Menu Switch Configuration Network Tools 2555hier Device Statistics Menu Switch Statistics Interface Statistics RMON Statistics HSIM VHSIM Statistics Port Redirect Configuration HSIM VHSIM Configuration Broadcast Suppression Configuration SmartTrunk Configuration Ethernet Inte...

Страница 29: ...itions to the Network Tools utility from the WAN perspective are specific to the HSIM W87 and can only be used when a HSIM W87 is installed in the platform imux support for configuration and monitoring of the Inverse Multiplexer ctwan multi imux mib txt Revision 1 00 00 ds1alarm support for ds1 alarm monitoring ctremote mib txt Revision 1 00 02 Ds1Alarms branch wanpq support for Wan IP Priority Qu...

Страница 30: ...manual for details on accessing Local Management Figure 4 2 Network Tools Help Screen TIP Type help at the prompt to list all the commands that are available for the device in the current operational mode If help is needed with a specific command type help and the command Use lower case characters when entering commands in Network Tools Uppercase characters may be specified for some of the options...

Страница 31: ...The commands are done exit and quit All three commands perform the exact same function The commands are presented in the following format command Syntax Shows the required command format It indicates where arguments if any must be specified Description Briefly describes the command and its uses Options Lists any additional fields in the appropriate format that may be added to the command Example S...

Страница 32: ...identifying an element in a sequence of Inverse Multiplexer Applications which belong to an IP host GROUPID A unique value identifying an element in a sequence of groups which belong to a WAN Inverse Multiplexer Application INTERFACENUM The MIB II ifIndex value used to represent a WAN channel that has an appropriate datalink protocol associated with it NOTE Cabletron Systems products that support ...

Страница 33: ...NUM to the Inverse Multiplexer group designated by GROUPID dc GROUPID INTERFACENUM Deletes the WAN channel designated by INTERFACENUM from the Inverse Multiplexer group designated by GROUPID Example imuxsetup1 imux 1 ac 1 29 Inverse Multiplexer channel with ifIndex 29 added to group 1 imux 1 WAN Inverse Multiplexer 1 Status Disabled Inverse WAN Available Xmit Byte Inverse Multiplexer Group Physica...

Страница 34: ...s wanpq with no options displays information on the status of the WAN priority queue ea enables the WAN Priority Queue Application da disables the WAN Priority Queue Application aip IPADDRESS Adds the IP address designated by IPADDRESS to the WAN Priority Queue database dip IPADDRESS Deletes the IP address designated by IPADDRESS from the WAN Priority Queue database Example wanpq 2689_1 WAN Priori...

Страница 35: ...ys information on the error thresholds ea enables the WAN DS1 Alarms Admin da disables the WAN DS1 Alarms Admin et enables the WAN DS1 Alarms Traps Feature dt disables the WAN DS1 Alarms Traps Feature sec sets the Errored Seconds Threshold Count to VALUE sei sets the Errored Seconds Threshold Interval to VALUE mr manually recovers a DS1 link that has exceeded a threshold Example ds1alarm 2689_2 DS...

Страница 36: ...ement interval in the table Interval 1 is always the latest interval to have taken place with interval 2 as the next latest etc Near indicates the device on your side of the WAN line Options dsx1 with no options lists a summary of the DS1 configuration dsx1 near lists a summary of the statistics for the device on your side of the WAN line dsx1 near 1 96 lists a summary of the statistics for the de...

Страница 37: ...1 1406 Configuration LIne Time Intvl Type Coding LoopCfg Status TxClk FDL 29 504 1 ESF B8ZS NoLoop OtherFailure loop Fdlnone 30 504 1 ESF B8ZS NoLoop OtherFailure loop Fdlnone 31 504 1 ESF B8ZS NoLoop OtherFailure loop Fdlnone 32 504 1 ESF B8ZS NoLoop OtherFailure loop Fdlnone 33 504 1 ESF B8ZS NoLoop OtherFailure loop Fdlnone 34 504 1 ESF B8ZS NoLoop OtherFailure loop Fdlnone 35 504 1 ESF B8ZS No...

Страница 38: ...he linetype of the line specified dsx3 loopback no payload line line allows a choice of loopback between the listed choices for the line specified dsx3 txclksrc loop local line allows a choice of either loop or local transmit clock source dsx3 line displays a summary of the line specified dsx3 line PES PSES SEFS UAS LCV PCV LES CCV CES CSES allows a choice of performance parameters for the line sp...

Страница 39: ...hree commands perform the same function Options Not Applicable Example TIP To find the MIB II interface indexes assigned to the ds1 channels used in the IMUX group utilize the dsx1 and ds1alarm commands With the dsx1 command the interface numbers are in the column under line in the display When the ds1alarm command is used the interface numbers as well as the HSIM ID and the ds1 index can be seen ...

Страница 40: ...far Enter imux 1 Figure 4 3 shows the imux setup for group id 1 so far Figure 4 3 Adding Channels to an IMUX Group imuxsetup1 imux 1 ac 1 29 Inverse Multiplexer channel with ifIndex 29 added to group 1 imux 1 WAN Inverse Multiplexer 1 Status Disabled Inverse WAN Available Xmit Byte Inverse Multiplexer Group Physical BW Count Multiplexer Channel ID Admin Status Number bits sec bytes ID IfIndex Stat...

Страница 41: ... screen in Figure 4 5 displays the response to the command imuxsetup2 imux 1 WAN Inverse Multiplexer 1 Status Disabled Inverse WAN Available Xmit Byte Inverse Multiplexer Group Physical BW Count Multiplexer Channel ID Admin Status Number bits sec bytes ID IfIndex Status 1 Disabled 21 1536000 0 1 28 INACTIVE 1 Disabled 22 1536000 0 2 29 INACTIVE 1 Disabled 23 1536000 0 3 30 INACTIVE 1 Disabled 24 1...

Страница 42: ...imux 1 ea Inverse Multiplexer Application 1 enabled imux 1 WAN Inverse Multiplexer 1 Status Enabled Inverse WAN Available Xmit Byte Inverse Multiplexer Group Physical BW Count Multiplexer Channel ID Admin Status Number bits sec bytes ID IfIndex Status 1 Enabled 21 1536000 0 1 28 INACTIVE 1 Enabled 22 1536000 0 2 29 INACTIVE 1 Enabled 23 1536000 0 3 30 INACTIVE 1 Enabled 24 1536000 0 4 31 INACTIVE ...

Страница 43: ...configured for operation Power is off or the HSIM W87 is not connected properly Link LNK LED is RED The WAN interface is configured but there is no signal indicating that a valid connection is present on the WAN interface Check that the device at the other end of the segment is powered up Use management to make sure that both WAN interfaces local and remote are configured correctly Check to ensure...

Страница 44: ...evice is in Yellow alarm mode A Yellow alarm indicates that the HSIM W87 is receiving proper framing from the Telco but the Telco is not receiving proper framing Check for faulty or incorrect cabling between the Telco and the HSIM W87 Request that the Telco verify the configuration and operation of the circuit Status STS LED is AMBER blinking Device is in test mode The HSIM W87 is running its Powe...

Страница 45: ...e configured for D4 Ensure that the local and remote DS1 devices are configured with the same line Framing type Ensure that the DS1 loopback is not configured default is none using the dsx1 command 5 1 3 Problems with the Firmware Image The firmware image for the HSIM W87 is supported on the host platform therefore if there is a problem with the firmware image for the HSIM W87 the image for the pl...

Страница 46: ...Chapter 5 Troubleshooting 5 4 HSIM W87 User s Guide ...

Страница 47: ...rs Cable Type 75 Ohm unbalanced Coaxial cable Maximum Link Distance 450 feet 137 m T3 Cable Part Number 9310039 10ft 9310039 xx Microprocessor i960HD66 Power Supply 5V supplied by host device Power Consumption 18 75 Watts maximum Memory 8 MB of DRAM Local memory 4 MB of DRAM Shared memory Dimensions 4 8H x 20 6W x 28 7D cm 1 9H x 8 1W x 11 3D in Weight 0 45 kg 1 0 lb MTBF Predicted 200 000 hours O...

Страница 48: ...ULATORY COMPLIANCE This equipment meets the following safety and electromagnetic compatibility EMC requirements Safety UL 1950 and CSA C22 2 No 950 Electromagnetic Compatibility EMC FCC Part 15 EN 55022 CSA C108 8 EN 50082 1 VCCI V 3 89 336 EEC and AS NZS 3548 ...

Страница 49: ...on of single T1s or multiple T1 IMUX groups to the backbone The HSIM W87 has an internal M13 and the Telco side M13 as shown in Figure B 1 is supplied for CPE aggregation The HSIM W84 in the diagram can be any device that is compatible with the HSIM W87 which runs HDLC WAN protocol NOTE In Figure B 1 the 2E42 27 is used as an example platform It could be any platform into which the HSIM W87 can be...

Страница 50: ...guration B 2 HSIM W87 User s Guide Figure B 1 HSIM W87 IMUX Operational M13 Telco Cloud 28 T1 Lines T3 configW87 2E42 27s with HSIM W84s 2E42 27 with an HSIM W87 CSX400 T1 Configuration IMUX Configuration CSX400 CSX400 CSX400 ...

Страница 51: ...greater than T AMI Alternate Mark Inversion line coding used with both E 1 and T1 A digital 1 is encoded as a mark pulse and a 0 is encoded as a space The marks alternate polarity ANSI American National Standards Institute the US member of the ISO Bearer B Channel A 64 Kbps channel used with BRI and PRI ISDN services BPV Bipolar Violation the occurrence of two successive pulses of the same polarit...

Страница 52: ...CPE Customer Premises Equipment Telecommunications equipment on the customer site such as CSU DSUs PBXs etc that reside past the network interface Data D Channel A 16 Kbps channel used with BRI and PRI services for signaling and control D4 D4 Framing a popular framing format in T1 Uses 12 T1 Frames to identify both the channel and the signaling bit DI Drop and Insert a function provided on the Cab...

Страница 53: ... any zero string length equal to or greater than 3 for B3ZS or greater than 4 for HDB3 Fractional T1 Use of a portion less than the full 24 channels of a T1 line Frame Relay A network protocol that allows for many point to point virtual connections over a single access channel HDB3 High Density Bipolar 3 used with E 1 a bipolar coding method that does not allow more than 3 consecutive zeros HDLC H...

Страница 54: ...not generated internally by a source within the equipment This is the typical situation when using public lines Also may be referred to as clock slave timing LLB Line Loop Back a full T1 loopback on D4 or ESF framed lines LOS Loss of Signal DS3 signal where a predetermined amount of pulses without polarity are deemed a defect M13 pronounced M one three DS1 into a DS3 multiplexer MIM Media Interfac...

Страница 55: ...ed in C bit Parity DS3 applications after detecting the Yellow Alarm Signal on the alarm channel SDLC Synchronous Data Link Control layer 2 link layer protocol developed by IBM for SNA connectivity Basis for HDLC SEFS Severely Errored Framing Seconds is a second with one or more OOF errors or a detected incoming AIS SNA Systems Network Architecture data communication network architecture developed...

Страница 56: ...ble Seconds the number of seconds that the DS3 interface is unavailable WAN Wide Area Network a network spanning a large geographic area WPIM WAN Physical Interface Module Cabletron Systems modules that provide connectivity functionality for WAN modules such as the BRIM W6 ...

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