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U10C034 MSO User’s Manual v1.4 June 2008

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RF

Radio Frequency

SHA-1

Secure Hash Algorithm. A one-way cryptographic function which takes
a message procedures to a 160-bit message digest.

SNMP

Simple Network Management Protocol.

TDD

Telecommunication Device for the Deaf. An electronic device for text
communication via a telephone line, used when one or more the parties
has hearing or speech difficulties. Other names for TDD include TTY
(Telephone TYpewriter), textphone (common in Europe), and minicom
(U.K.).

VoIP

Telephony over IP. The AMBIT implementation of PacketCable-
compliant telephony services over an HFC network..

UGS

Unsolicited Grant Service. A Service Flow type used for applications
such as telephony in which latency and jitter are critical. Packets have a
fixed size and interval. Within the constraints of IP networking, UGS
flows attempt to deliver a constant bit rate stream of data.

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Содержание U10C034

Страница 1: ...U10C034 Telephony MSO User s Manual Version 1 4 Date Aug 2008 ...

Страница 2: ...U10C034 Telephony Version v1 4 June 2008 ii ...

Страница 3: ... Author Prime Description of changes 1 2 ISSUED 19th May 08 Billy Lo Issued for customer 1 3 ISSUED 5th June 08 Billy Add new mib object provisionalResponseEnable in section 2 2 15 1 4 ISSUED 5th August 08 Billy Add description about digital loopback Digital loopback support in section 6 5 ...

Страница 4: ...U10C034 Telephony Version v1 4 June 2008 iv ...

Страница 5: ...rade During Calls 30 2 2 5 Configuring the Jitter Buffer 30 2 2 6 Configuring for Network Maintenance Operations 33 2 2 8 EndPoint Provisioning 37 2 2 9 Telephony Port Diagnostics 40 2 2 10 Audible Tone Tables 45 2 2 11 DQoS Lite Enable 48 2 2 12 RFC2833 Enable 48 2 2 13 Configure MTA syslog server Ip address 48 2 2 14 Configure Battery Low Threshold 49 2 2 15 Configure MGCP Provisional Response 5...

Страница 6: ... 4 5 PINGHELPER 68 4 6 SYSTEM 70 BATTERY OPERATION 71 5 1 Battery operation in different termperature 72 5 2 Adaptor Mode 72 5 3 Battery Mode 73 5 4 Battery Trap 74 TROBULE SHOOTING 76 6 1 Ambit EMTA supports following troubleshooting interface 77 6 2 Using MIB for Troubleshooting 77 6 3 LED Verification 86 6 4 Troubleshooting the USB driver Installation 87 6 5 Digital Loopback Support 88 APPENDIX...

Страница 7: ...ersions are indicated in this document See the Release Notes Letter of Operational Considerations accompanying your firmware for further details AUDIENCE If you are evaluating U10C034 Telephony products for use in your VoIP network you should read this entire manual This manual assumes that you have a basic understanding of DOCSIS and PacketCable standards and a working knowledge of cable data and...

Страница 8: ...INOLOGY The following is a list of terms and abbreviations used in this manual AckCel A Broadcom proprietary protocol which is to increase TCP based performance AES Advanced Encryption Standard A symmetric 128 bit block cipher that has been adopted by the US Federal Government as its symmetric data encryption standard in October 2000 replacing the DES encryption it used CM Cable Modem Typically a ...

Страница 9: ...device such as the AMBIT U10C034 Telephony Modem that contains both an MTA and a Cable Modem Euro DOCSIS The European version of DOCSIS Euro DOCSIS specifies an 8 MHz downstream bandwidth vs 6 MHz for DOCSIS other minor differences exist as well G 711 G 711 is an ITU T standard for audio companding It is primarily used in telephony This audio standard is mandatory for all video conferencing system...

Страница 10: ... QoS signaling The MTA is an integral part of U10C034 Telephony embedded MTA eMTA products NCS Network Call Signaling The PacketCable protocol used to control calls PacketCable A CableLabs led initiative aimed at developing interoperable interface specifications for delivering advanced real time multimedia services over two way cable plant PHS Payload Header Suppression A technology used to descri...

Страница 11: ...n one or more the parties has hearing or speech difficulties Other names for TDD include TTY Telephone TYpewriter textphone common in Europe and minicom U K VoIP Telephony over IP The AMBIT implementation of PacketCable compliant telephony services over an HFC network UGS Unsolicited Grant Service A Service Flow type used for applications such as telephony in which latency and jitter are critical ...

Страница 12: ...scribes U10C034 Telephony hardware and firmware features U10C034 Telephony eMTA also referred to as Embedded MTAs or eMTA provide the subscriber connection to the HFC IP network U10C034 eMTA firmware complies to following standards DOCSIS 1 1 and DOCSIS 2 0 PacketCable 1 5 ...

Страница 13: ...ephony Modems supported by the current release of U10C034 firmware U10C034 Telephony Modems are the latest generation of AMBIT eMTA providing improved technology and features As with previous generations U10C034 Telephony Modems provide telephony via MGCP 10 100BaseT Ethernet and USB data connections ...

Страница 14: ...bridging functionality FIRMWARE FUNCTIONALITY The firmware provides the following functionality Standards compatibility as follows DOCSIS 2 0 and DOCSIS 1 1 PacketCable 1 5 Interoperability with main CMTS products MGCP signaling protocol support PacketCable provisioning with SNMPv2 Network Management capabilities Support USB and Ethernet interfaces to CPE Support Telnet access to a troubleshooting...

Страница 15: ...4s TR 57 Both Yes 3 3 900 2160 20 45 On 2s Off 4s Japan Both Yes 3 3 600 1000 20 45 On 1s Off 2s Germany Both Yes 10 4 220 820 115 25 45 On 1s Off 4s Sweden Both Yes 10 4 270 750 150 25 45 On 1s Off 5s UK Both Yes 9 4 300 1000 220 16 66 45 On 0 4s Off 0 2s On 0 4s Off 2s France Both Yes 10 4 600 50 45 On 1 5s Off 3 5s Belgium Both Yes 6 3 150 830 72 25 45 On 1s Off 3s Finland Yes 10 4 270 910 120 ...

Страница 16: ...oth Yes 6 4 220 820 115 25 45 On 1s Off 4s Czech Both Yes 6 4 600 45 45 On 1s Off 4s Slovakia Both Yes 6 4 220 820 115 25 75 On 1s Off 4s Ireland Both Yes 6 4 270 750 150 25 45 On 0 4s Off 0 2s On 0 4s Off 2s Slovenia Both Yes 6 4 270 750 150 20 45 On 1s Off 3s Romania Both Yes 6 4 270 750 150 20 45 On 1s Off 3s ...

Страница 17: ...U10C034 MSO User s Manual v1 4 June 2008 17 ...

Страница 18: ...od overview and enough information for understanding the purpose and how to control objects but additional details will be provided where appropriate Throughout the descriptions to MIB objects are references to interfaces Ambit s software can support 8 IP stacks or interfaces The assignments of IP addresses is different if an ePS is included in conjunction with an eMTA but for the purposes of this...

Страница 19: ...U10C034 MSO User s Manual v1 4 June 2008 19 brcm cm mgmt mib Broadcom eMTA Proprietary MIBS brcm emta mgmt mib ...

Страница 20: ...o true 1 will be rejected with an inconsistent error 2 1 2 Resetting non volatile Memory to Factory Default brcm cm mgmt ext mib MIB Default Value Access cmResetFactoryDefaults NA read write cmResetFactoryDefaults 1 3 6 1 4 1 4413 2 2 2 1 2 1 6 0 Integer32 Setting this object to true 1 will cause the device to reset all non volatile settings to their factory default state Note that only dynamic se...

Страница 21: ...4413 2 2 2 SEQUENCE OF CmScanEntry A table of the most recent known good frequencies to which the CM has registered The most recent good frequency will be at index 1 with subsequent entries being in chronological order from newest to oldest Note that the table will not grow unbounded Once the maximum number of entries is reached which is currently 16 the oldest entries will be discarded cmScanEntr...

Страница 22: ...13 2 2 2 1 2 1 4 0 Integer32 Specifies the behavior of the CM with regards to retrying DSD requests when no reply is received If set to true 1 the CM will continue to retry the request until a reply is received or roughly one hour of time has passed If set to false 2 the CM will stop retrying after three retries as required by the DOCSIS specification Note that this setting is not persistent acros...

Страница 23: ...te emtaPhsConfiguration enabled 1 read write emtaMaxResetDelay 86400 read write emtaPostCallCompletionResetDelay 30 read write emtaDhcpRebindRule strict 1 read write emtaDhcpIgnoreNaks disabled 2 read write emtaPhsUpstreamMask BITS 111110111101111010000 000 read write emtaPhsDownstreamMask BITS 110011010110100000000 000 read writ emtaPhsDownstreamVerification auto 3 read write emtaSignalingMaxNumb...

Страница 24: ...value of zero disables the reset delay and reset the unit immediately after a software download emtaIncludedInCmMaxCpe 1 3 6 1 4 1 4413 2 2 2 1 6 1 4 0 Integer32 This object specifies whether the EMTA MAC address will be included when calculating the number of CPEs allowed by the CM as specified in the CM configuration file Setting of the MIB takes effect on the next re boot Note that the eDOCSIS ...

Страница 25: ...trol the DHCP client behavior for the MTA when a DHCP REBIND T2 timeout occurs The value strict 1 will only allow the MTA to accept a valid DHCP ACK only from the DHCP server that provided the initial lease The value relaxed 2 will allow the MTA to accept a valid DHCP ACK from any DHCP server strict 1 relaxed 2 emtaDhcpIgnoreNaks 1 3 6 1 4 1 4413 2 2 2 1 6 1 14 0 Integer32 This object controls the...

Страница 26: ...413 2 2 2 1 6 1 17 0 BITS This object sets the PHS mask for downstream voice DQoS flows using IPv4 addressing Setting a bit to 1 will cause the CMTS to suppress this field for downstream voice flows The default configuration is the ethEthertype 0 ipVersionIHL 1 ipIdent 4 ipFlagsFragOffset 5 ipProtocol 7 ipSA 9 ipDA 10 and udpDestPort 12 bits are set If silence suppression will never be enabled by ...

Страница 27: ...t is auto 3 When set to auto 3 the MTA will automatically disable PHSV if the ipTOS 2 ipTTL 6 ipHeaderChecksum 8 or udpChecksum 14 bits are set in emtaPhsDownstreamMask When set to disabled 2 the MTA will disable PHSV at all times When set to enabled 1 the MTA will enable PHSV at all times This setting should be used with caution as it is possible to create a non working configuration if verificat...

Страница 28: ...data mode for fax transmission instead emtaSignalingEcanTailLength 1 3 6 1 4 1 4413 2 2 2 1 6 4 15 0 Integer32 This object specifies the echo cancellation tail length If the echo cancellation tail length is changed through SNMP then those changes take effect starting with the next phone call in process calls are not affected Also note that the value of this object will persist across a MTA reset e...

Страница 29: ...ing the DSCP for RTCP packets When the value of this object is updated by SNMP the MTA MUST use the new value as a default starting from the new connection Existing connections are not affected by the value s update 2 2 2 Disabling the eMTA firewall 1 3 6 1 4 1 4413 2 2 2 1 6 1 2 0 Integer32 The eMTA stack has what is referred to as a lightweight firewall that has a default value of enabled true b...

Страница 30: ...tter buffer holds RTP frames for a configurable period of time in order to smooth out network jitter In the case of a fixed jitter buffer the frames are held for a fixed period of time A fixed jitter buffer with a high holding period is appropriate for VBD because delay is not as important as reducing packet loss but in the case of voice calls where minimizing delay is more important than reducing...

Страница 31: ...ive 2 emtaSignalingVoiceJitterNomValue 1 3 6 1 4 1 4413 2 2 2 1 6 4 4 0 Unsigned32 If the voice jitter buffer value is changed through SNMP then those changes take affect starting with the next phone call in process calls are not affected This MIB sets the target hold time for the voice jitter buffer in milliseconds This is the initial hold time for the adaptive jitter buffer The actual target hol...

Страница 32: ... 4413 2 2 2 1 6 4 7 0 Unsigned32 If the jitter buffer value is changed through SNMP then those changes take affect starting with the next phone call in process calls are not affected This object controls the hold time for a fixed VBD jitter buffer The jitter buffer always fixes itself when VBD is detected and never adapts below this level so this value serves as a minimum too The default value is ...

Страница 33: ...b MIB Default Value Access MaintenanceWindowBegin read write MaintenanceWindowDuration 0 read write MaintenanceControlMask maintenanceOnCm Reset 0 maintenanceOnRFL oss 1 maintenanceOnMta Reset 2 maintenanceOnCM SLoss 3 read write MaintenanceQuarantineTimeout 0 read write MaintenanceDisconnectedTimeout 0 read write MaintenanceRFDisconnectTimeout 0 read write You can also configure these values via ...

Страница 34: ... the value of this object to the default value of zero will cancel the maintenance window Note that the value of this object will persist across a system reboot MaintenanceControlMask emtaMaintenanceControlMask 1 3 6 1 4 1 4413 2 2 2 1 6 2 3 0 BITS This object identifies the bit mask to control the line voltage behavior of the eMTA in various scenarios maintenanceOnCmReset 0 if this bit is set to ...

Страница 35: ...ngth of time in seconds that the MTA should maintain the line voltage after any of the endpoints is disconnected If any of the endpoints remains disconnected for longer than this period the line voltage is dropped unless the maintenanceOnCMSLoss bit is set in the emtaMaintenanceControlMask MIB Note that the value of this object will persist across a system reboot MaintenanceRFDisconnectTimeout emt...

Страница 36: ...taMaintenanceControlMask emtaMaintenance Timers Policy 1 None OnCmReset 0 OnRFLoss 1 OnMtaReset 2 OnCMSLoss 3 None Policy 2 None OnCmReset 0 OnMtaReset 2 OnCMSLoss 3 emtaMaintenanceRF DisconnectTimeout Policy 3 pktcEnNcsEndPntLVMgmtMaintTimer Not Required emtaMaintenanceWindowBegin emtaMaintenanceWindowDuration emtaMaintenance QuarantineTimeout emtaMaintenance DisconnectTimeout emtaMaintenance RFD...

Страница 37: ...oth voice lines have been on hook for a period greater than the value defined via this MIB object This will guarantee that orphaned connections and or service flows are properly cleaned up and freed when the CMTS and CMS fail to perform the correct clean up operations It will also ensure that the EMTA state machine DSP voice channels NCS connection handling etc are also restored to a default state...

Страница 38: ...eset the telephone line of the corresponding endpoint Setting this object to false 2 does not have any affect Reading this object always returns false 2 emtaSignalingEndptCtrlBoostedLoopCurrent 1 3 6 1 4 1 4413 2 2 2 1 6 4 1 1 8 x Integer32 This object indicates whether the loop current should be boosted true 1 or not false 2 The particular value for the loop current depends on the particular hard...

Страница 39: ...this object will persist across a system reboot emtaSignalingEndptCtrlToneDetectionControl 1 3 6 1 4 1 4413 2 2 2 1 6 4 1 1 12 x Integer32 This MIB object is used to provide enhanced tone detection control on an EMTA endpoint When set to AllDetectorsEnabled 1 the EMTA must enable all the tone detectors on the specific endpoint This includes the following detectors fax modem tones 1100 2100Hz V18 T...

Страница 40: ... while the setting of trapezoidal 2 would result in a trapezoidal ring waveform with crest factor of 1 25 Sinusoidal 1 Trapezoidal 2 2 2 9 Telephony Port Diagnostics TPD testing can be used to diagnose problems with customer cabling terminations and unexpected foreign voltages sources Testing encompasses the ability to detect the hook state the ability to communicate with a CMS detect shorts opens...

Страница 41: ...he thresholds stated Notes In this test if the T G or R G DC voltage is greater than 6 volts this test will be failed in normal way but due to the hardware design there has tolerance detected by our SW Receiver Off hook Test ROH This test determines if the telephone receiver is in the off hook state A receiver off hook is identified by sequentially generating two AC voltages across Tip and Ring on...

Страница 42: ...S acknowledges this NTFY and sends an RQNT to play dial tone If all of these conditions occur within two second the test passes After the test is completed the relay is disabled and the off hook condition ceases regardless of whether the test was successful or not Note this test will not pass unless a CMS is active that will request dial tone upon receiving a notification of off hook from the MTA ...

Страница 43: ...st is completed the MTA sets ifOperStatus to the value corresponding to the current state of the line The selected tests will not run if the corresponding endpoint is offhook To force execution of the selected tests regardless of the endpoint status set the corresponding startForceTestExecution 11 BIT startTipToGroundShortDetection 0 startRingToGroundShortDetection 1 startTipToRingShortDetection 2...

Страница 44: ...that was initiated using emtaSignalingEndptCtrlDiagTestsStart MIB If the corresponding completed successfully the bit will be set and if the test failed the bit will be cleared or 0 stopTipToGroundShortDetection 0 stopRingToGroundShortDetection 1 stopTipToRingShortDetection 2 stopRingerEquivalenceNetwork 3 stopSelfTestNoReboot 4 stopOffHookSimulationTest 5 stopTip1ToRing2Short 6 Not currently impl...

Страница 45: ...the MIB emtaSignalingAnnouncementCtrl and the settings for the tones can be configured by the MIBs within the emtaSignalingDevToneTable and the emtaSignalingDevMultiFreqToneTable The emtaSignalingDevToneTable is indexed by tone type which is the pre defined service interruptions of RF Loss Endpoint Disabled and Endpoint Disconnected and the pre defined UPS battery condition of Loss of AC Power Low...

Страница 46: ...Loss 3 is set the MTA MUST play an audible tone announcement upon detecting the loss of AC Power The announcements are required to be played if the phone is off hook and before dial tone Otherwise the bit is cleared the MTA MUST NOT play the announcement If bit announcementOnLowBatt 4 is set the MTA MUST play an audible tone announcement upon detecting the low battery condition The announcements a...

Страница 47: ...nged by the configuration file emtaSignalingDevToneDbLevel 1 3 6 1 4 1 4413 2 2 2 1 6 4 25 1 4 x Integer32 This object contains the decibel level for each analog signal tone that is locally generated versus in band supervisory tones and sourced to the a b terminals TE connection point Each tone in itself may consist of multiple frequencies as defined by the MIB table emtaSignalingDevMultiFreqToneT...

Страница 48: ...Setting this object to disabled 2 causes the eMTA not to use RFC2833 for DTMF Tone Relay Setting this object to subtract 3 causes eMTA to subtract DTMF tones from the encoded audio but not generate RFC2833 packets enabled 1 disabled 2 subtract 3 2 2 13 Configure MTA syslog server Ip address pktcEvent mib MIB Default Value Access pktcDevEvSyslogAddress Prov Server IP read write pktcDevEvSyslogAddre...

Страница 49: ...it were to be lost and remain off upsEstimatedChargeRemaining 1 3 6 1 2 1 33 1 2 4 0 Integer32 An estimate of the battery charge remaining expressed as a percent of full charge upsConfigLowBattTime 1 3 6 1 2 1 33 1 9 7 0 Integer32 The value of upsEstimatedMinutesRemaining at which a lowBattery condition is declared describes in minutes For agents which support only discrete discontinuous values th...

Страница 50: ...provisionalResponseEnable 1 3 6 1 4 1 4684 36 1 99 3 0 Interger32 U10C034 can support MGCP provisional response for MGCP CRCX and MDCX According to MGCP spec provisional response will not be applied to DLCX Its default setting is disabled Note that this setting is persistent across reboot ...

Страница 51: ... for debugging Basically the web interface supports two users One is user user and another one is admin cableroot The web interface also supports POTD features so that advanced webpage has a daily changes password Administer needs to know correct seed and date of access time to generate correct password to access advanced webpage ...

Страница 52: ...or Open the web browser and set the address to http Cable RF IP address for remote access Click LOGIN Enter user for User name and user for Password and then click OK User Name user Password user only can access to basic web page User Name admin Password cableroot can access to advanced web interface The admin account only available if web access is from remote ...

Страница 53: ...53 3 2 Web User Interface Home Page A main menu is shown at the top of the pages and the user can select different options to view the cable modem information They include 3 3 Status ...

Страница 54: ...U10C034 Telephony Version v1 4 June 2008 54 3 4 CM Hardware ...

Страница 55: ...55 3 5 Event Log ...

Страница 56: ...U10C034 Telephony Version v1 4 June 2008 56 3 6 CM State ...

Страница 57: ...ed web page only available for admin account access to web interface The advanced web page was protected by Password of the Day POTD the POTD was changed every day need to use a utility to generate POTD Chapter 5 will show you how to generate the POTD ...

Страница 58: ...U10C034 Telephony Version v1 4 June 2008 58 3 8 Product Display status interface information ...

Страница 59: ...59 3 9 DHCP Display CM and MTA DHCP information ...

Страница 60: ...U10C034 Telephony Version v1 4 June 2008 60 3 10 MTA Display some detail MTA parameters ...

Страница 61: ...61 3 11 QoS Display service flow information ...

Страница 62: ...U10C034 Telephony Version v1 4 June 2008 62 3 12 Config Params Display CM and MTA config files information ...

Страница 63: ...63 3 13 Event Log Display CM and MTA event logs ...

Страница 64: ...rforming any of the tasks in this procedure please run the application POTD exe from windows DOS command line Generating the Password Follow these steps to generate a single password 1 Execute the POTD exe tool if you have not done so already 2 POTD tool can use a default seed to generate the password of the day For added security you can create a different seed to change the password pattern You ...

Страница 65: ...dem settings battery settings etc all can be changed The SSH server can only be accessed from CM s IP address It cannot be accessed by MTA and local IP address SSH is only allowed to login by admin user account is not allowed The login password changed every day so a POTD utility is needed to general correct password Regarding the usage guideline of POTD please refer to chapter 3 15 ...

Страница 66: ...ion and control downstream channel upstream channel log display ON or off and firewall gotoDownstream Changes to specific downstream channel gotoUpstream Changes to specific upstream channel log Enable or disable message logging ping Pings to the specific IP address from CM IP stack set Enable or disable CM mini firewall show Show various information including ARP table BPI status CM certificates ...

Страница 67: ... a Log Event in the MTA sending a SysLog or SNMP Trap if necessary Force one of the processor to assert and crash Prints voice statistics at specified intervals log Enable or disable message logging ping Pings to the specific IP address from EMTA IP stack reset Reset the mta now set Many MTA parameters could be configured like Requested DHCP option number 122 177 Inhibit SW download during call RF...

Страница 68: ...cluding Call history MTA certificates Supported codec list MTA config file content Kerberos ticket and state MTA IP address and DHCP options for the current lease Line states NCS message history Shows PHS settings for voice calls Provisioning state RTP info Security association info State of any NCS connections List of supported countries and active country Processor debug information IPC Statisti...

Страница 69: ... number that the pings should be sent to ip_sweep Pings all IP addresses on the specified subnet number_of_pings Sets or shows the number of pings to be sent ping Begins pinging the specified IP address using the current settings restore_defaults Restores all of the options to their default values show_settings Displays the current ping settings start_size Sets or shows the size of the first ping ...

Страница 70: ...the number of milliseconds that the ping helper will wait for a ping response before continuing 4 6 SYSTEM The system commands have two major functions First one is the log packets function Packets are logged when receiving from the specific interfaces sending to the specific interfaces Another function is to show all system relative information like flash memory etc log_packets This enables disab...

Страница 71: ...battery is within 0 degree C and 45 degree C If room temperature is out of this range charger or discharger might be disabled You can refer the following description to understand its details Modem will enter power saving mode CPE interface is disabled and PWR LED flashing if high temperature 55 degree C occurs Battery charger will be disabled in this case too ...

Страница 72: ... into power save mode After temperature is over 60 degrees C or under 10 degrees C the battery charge discharge both will be disabled If then it goes down below 57 degrees C the battery discharge will be re enabled hysteresis mechanism and the modem remains in power save mode If it goes down below 42 degrees C the battery charge will be re enabled If battery is fully charged the battChargerStat va...

Страница 73: ...73 5 3 Battery Mode The figure show you how battery and LED works in different room temperature if AC adaptor is not existing ...

Страница 74: ...ined to require replacement upsAlarmShutdownImminent 1 3 6 1 2 1 33 1 6 3 23 0 The UPS will turn off power to the load in less than 5 seconds this may be either a timed shutdown or a low battery shutdown upsAlarmShutdownPending 1 3 6 1 2 1 33 1 6 3 22 0 A upsShutdownAfterDelay countdown is underway upsAlarmUpsOutputOff 1 3 6 1 2 1 33 1 6 3 14 0 The output of the UPS is in the off state upsAlarmOut...

Страница 75: ...imatedChargeRemaining is less than or equal to the value of battChargerLowChargeThreshold bcmAlarmBatteryMissing 1 3 6 1 4 1 4413 2 2 2 1 10 4 4 0 There are no batteries installed in the device and the device will not be capable of sustaining power in the event of utility power loss ...

Страница 76: ...U10C034 Telephony Version v1 4 June 2008 76 6 Trobule Shooting This Chapter defines how to run trouble shooting procedure in U10C034 product ...

Страница 77: ...tem as opposed to interface MIBs which operate on a single interface DocsDevServer MIB These variables display and control the status of communications with network servers CMTS DHCP server and so forth docsDevServerBootState If operational 1 the cable modem has completed loading and processing of configuration parameters and the CMTS has completed the registration exchange If disabled 2 then the ...

Страница 78: ... their factory default reporting Reading this object always returns useDefaultReporting 2 docsDevEvSyslog The IP address of the Syslog server If 0 0 0 0 Syslog transmission is inhibited docsDevEvIndex Provides relative ordering of the objects in the event log This object always increases except when the log is reset via docsDevEvControl the cable modem reboots and does not keep the event log in no...

Страница 79: ...d otherwise exceed the threshold manualThresholding 3 trap transmissions cease at the threshold and do not resume until directed to do so eventsInhibited 4 suppresses all trap transmission and Syslog messages A single event is always treated as a single event for threshold counting That is an event causing both a trap and a Syslog message is still treated as a single event Writing to this object r...

Страница 80: ...ly support all options for all event classes but at minimum must allow traps and Syslog to be disabled The value is a collection of bits local 0 bit log to the internal log raps 1 bit generate a trap syslog 2 bit send a Syslog message assuming the Syslog address is set inform 3 bit generate an inform none 4 bit this event is not generated pktcDevEvProgrammableText A programmable event display stri...

Страница 81: ... increase except when 1 The log is reset via pktcDevEvControl 2 The device reboots and does not implement non volatile storage for this log 3 It reaches the value 2ˆ31 The next entry for all the above cases is 1 This also serves as a indicator of event sequence PktcDevEvTime Provides a human readable description of the time at which the event occurred pktcDevEvLevel The priority level of this even...

Страница 82: ...es in the mandatory parameters passWithWarnings 4 the configuration file had proper values for all the mandatory parameters but had errors in the optional parameters including any vendor specific OIDs which are incorrect or not known to the MTA passWithIncompleteParsing 5 the configuration file is proper but the MTA cannot reflect the same in its MIB for example too many entries leading to memory ...

Страница 83: ... provisioning and configuration parameters to this device Returns NULL if the server address is unknown Supports both TFTP and HTTP pktcMtaDevSnmpEntity The FQDN of the SNMP V3 entity of the Provisioning Server to which the MTA has to communicate in order to receive the access method location and the name of the Configuration file during MTA provisioning This would also be the entity which caters ...

Страница 84: ... management policy pktcMtaDevCmsFqdn The fully qualified domain name of the CMS This is the index into the pktcMtaDevCmsTable When used as an index the upper case ASCII representation of the associated CMS FQDN MUST be used by both the Manager SNMPv3 Entity and the MTA pktcMtaDevCmsMaxClockSkew The maximum allowable clock skew between the MTA and CMS pktcMtaDevCmsSolicitedKeyTimeout This timeout a...

Страница 85: ...k Call Signaling a derivation of MGCP Media Gateway Control Protocol version 1 0 dcs Distributed Call Signaling a derivation of SIP Session Initiation Protocol RFC 3261 pktcSigDevCodecTable This table describes the MTA supported CODEC types pktcSigDevCodecIndex The index value which uniquely identifies an entry in the pktcSigDevCodecTable pktcSigDevCodecType A CODEC type supported by this MTA pktc...

Страница 86: ...ontains the error status for this interface The operational state indicates that all operations necessary to put the line in service have occurred The noSecurityAssociation status indicates that no security association yet exists for this endpoint The disconnected status indicates one of the following 1 If pktcMtaDevCmsIpsecCtrl is disabled then no security association is involved with this endpoi...

Страница 87: ...rical outlet and plugging it back in Wait several minutes for the cable modem to re establish communications with your cable service provider Remove any other USB devices from your computer and connect the cable modem USB cable directly to the USB port on your computer If you are using a cable splitter try removing the splitter and connect the cable modem directly to the cable wall outlet Wait sev...

Страница 88: ...h your cable service provider Your Ethernet or coaxial cable may be damaged Try using another cable If none of these suggestions work contact your cable service provider for further assistance 6 5 Digital Loopback Support The model can support digital loopback support by two connection MGCP NCS modes network loopback and network continuity If the mode is set to network loopback the audio signals r...

Страница 89: ...89 7 Appendix A eMTA LED Behavior This section describes a matrix details the U10C034 LED behavior ...

Страница 90: ...U10C034 Telephony Version v1 4 June 2008 90 U10C034 Telephony MSO User s Manual ...

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