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Multi-Tech Systems Mvp-2400/2410/3010, Mvp-210/410/810 Voice/ip Gateways S000249C User Guide
Multi-Tech Systems Mvp-2400/2410/3010, Mvp-210/410/810 Voice/ip Gateways S000249C User Guide
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MultiVOIP User Guide Operation and Maintenance 341 T1 Statistics: Field Definitions Field NameValues Description Red Alarm Integer tally of alarms counted since last reset.The alarm condition declared when a device receives no signal or cannot synchronize to the signal being received. A Red Alarm is generated if the incoming data stream has no transitions for 176 consecutive pulse positions. Blue Alarm Tally since last reset.Alarm signal consisting of all 1’s (including framing bit positions) which indicates disconnection or failure of attached equipment. Loss of Frame AlignmentTally since last reset.Loss of data frame synchronization. Excessive ZeroesTally since last reset.Displayed value will increment if consecutive zeroes beyond a set threshold are detected. I.e., tally increments if more than 7 consecutive zeroes in the received data stream are detected under B8ZS line coding, or if 15 consecutive zeroes are detected under AMI line coding. Status Freeze Signalling ActiveSignaling has been frozen at the most recent values due to loss of frame alignment, loss of multiframe alignment or due to a receive slip. Line Loopback Deactivation SignalLine loopback deactivation signal has been detected in the receive bit stream. Transmit Line ShortA short exists between the transmit pair for at least 32 consecutive pulses. Transmit Data OverflowFor use by MTS Technical Support personnel. Transmit Slip PositiveThe frequency of the transmit clock is less than the frequency of the transmit system interface working clock. A frame is repeated.
Operation and Maintenance MultiVOIP User Guide 342 T1 Statistics: Field Definitions (cont’d) Field NameValues Description Yellow AlarmTally since last reset.The alarm signal sent by a remote T1/E1 device to indicate that it sees no receive signal or cannot synchronize on the receive signal. Frame Search Restart Flag[To be supplied.] Loss of MultiFrame AlignmentTally since last reset.In D4 or ESF mode, displayed value will increment if multiframe alignment has been lost or if loss of frame alignment has been detected. Transmit SlipTally since last reset.Slip in transmitted data stream. Slips indicate a clocking mismatch (or lack of synchronization) between T1/E1 devices. When slips occur, data may be lost or repeated. Pulse Density ViolationThe pulse density of the received data stream is below the requirement defined by ANSI T1.403 or more than 15 consecutive zeros are detected. Line Loopback Activation SignalThe line loopback activation signal has been detected in the received bit stream. Transmit Line OpenAt least 32 consecutive zeros were transmitted. Transmit Data UnderrunFor use by MTS Technical Support Personnel. Transmit Slip NegativeThe frequency of the transmit clock is greater than the frequency of the transmit system interface working clock. A frame is skipped.
MultiVOIP User Guide Operation and Maintenance 343 T1 Statistics: Field Definitions (cont’d) Field NameValues Description Bipolar ViolationInteger tally of violation count since last reset.Two successive pulses of the same polarity have been received and these pulses are not part of zero substitution. On an AMI-encoded line, this represents a line error. On a B8ZS line, this may represent the substitution for a string of 8 zeroes. Receive Slip Tally since last reset.A receive slip (positive or negative) has occurred. Slips indicate a clocking mismatch (or lack of synchronization) between T1/E1 devices. When slips occur, data may be lost or repeated.
Operation and Maintenance MultiVOIP User Guide 344 E1 Statistics Screen E1 Statistics: Field Definitions Field NameValues Description Red Alarm Integer tally of alarms counted since last reset.The alarm condition declared when a device receives no signal or cannot synchronize to the signal being received. A Red Alarm is generated if the incoming data stream has no transitions for 176 consecutive pulse positions. Blue Alarm Tally since last reset.Alarm signal consisting of all 1’s (including framing bit positions) which indicates disconnection or failure of attached equipment. Loss of Frame AlignmentTally since last reset.Loss of data frame synchronization.
MultiVOIP User Guide Operation and Maintenance 345 E1 Statistics: Field Definitions (cont’d) Field NameValues Description Receive Timeslot 16 Alarm Indication SignalDetected alarm indication signal in timeslot 16 according to ITU-T G.775. Indicates the incoming time slot 16 contains less than 4 zeros in each of two consecutive time slot 16 multiframe periods. Transmit Line ShortA short exists between the transmit pair for at least 32 consecutive pulses. Transmit Data OverflowFor use by MTS personnel. Transmit Slip PositiveThe frequency of the transmit clock is less than the frequency of the transmit system interface working clock. A frame is repeated. Yellow AlarmTally since last reset.The alarm signal sent by a remote T1/E1 device to indicate that it sees no receive signal or cannot synchronize on the receive signal. Status Freeze Signalling ActiveSignaling has been frozen at the most recen tvalues due to loss of frame alignment, loss of multiframe alignment or due to a receive slip. Loss of MultiFrame AlignmentTally since last reset.In D4 or ESF mode, displayed value will increment if multiframe alignment has been lost or if loss of frame alignment has been detected. Receive Timeslot 16 Loss of SignalThe time slot 16 data stream contains all zeros for at least 16 contiguously received time slots.
Operation and Maintenance MultiVOIP User Guide 346 E1 Statistics: Field Definitions (cont’d) Field NameValues Description Receive Timeslot 16 Loss of MultiFrame AlignmentThe framing pattern 0000 in 2 consecutive CAS multiframes were not found or in all time slot 16 of the previous multiframe all bits were reset. Transmit Line OpenAt least 32 consecutive zeroes were transmitted. Transmit Data UnderrunFor use by MTS Technical Support Personnel. Transmit Slip NegativeThe frequency of the transmit clock is greater than the frequency of the transmit system interface working clock. A frame is skipped. Bipolar ViolationInteger tally of violation count since last reset.Bipolar Violation (or BPV) refers to two successive pulses of the same polarity on the E1 line. On an AMI-encoded line, this represents a line error. On a B8ZS line, this may represent the substitution for a string of 8 zeroes. Excessive ZeroesTally since last reset.Displayed value will increment if consecutive zeroes beyond a set threshold are detected. I.e., tally increments if more than 7 consecutive zeroes in the received data stream are detected under B8ZS line coding, or if 15 consecutive zeroes are detected under AMI line coding. Transmit SlipTally since last reset.Slip in transmitted data stream. Slips indicate a clocking mismatch (or lack of synchronization) between T1/E1 devices. When slips occur, data may be lost or repeated. Receive Slip Tally since last reset.Slip in received data stream. Slips indicate a clocking mismatch (or lack of synchronization) between T1/E1 devices. When slips occur, data may be lost or repeated.
MultiVOIP User Guide Operation and Maintenance 347 MultiVoip Program Menu Items After the MultiVoip program is installed on the PC, it can be launched from the Programs group of the Windows Start menu ( Start | Programs | MultiVOIP ____ | … ). In this section, we describe the software functions available on this menu. Several basic software functions are accessible from the MultiVoip software menu, as shown below. MultiVOIP Program Menu Menu Selection Description Configuration Select this to enter the Configuration program where values for IP, telephony, and other parameters are set. Date and Time Setup Select this for access to set calendar/clock used for data logging. Download CAS ProtocolTelephony CAS files are for Channel Associated Signalling. There are many CAS files, some labeled for specific functionality, others for countries or regions where certain telephony attributes are standard.
Operation and Maintenance MultiVOIP User Guide 348 MultiVOIP Program Menu (cont’d) Menu Selection Description Download Factory Defaults Select this to return the configuration parameters to the original factory values. Download Firmware Select this to download new versions of firmware as enhancements become available. Download User Defaults To be used after a full set of parameter values, values specified by the user, have been saved (using Save Setup). This command loads the saved user defaults into the MultiVOIP. Set Password Select this to create a password for access to the MultiVOIP software programs (Program group commands, Windows GUI, web browser GUI, & FTP server). Only the FTP Server function requires a password for access. The FTP Server function also requires that a UserName be established along with the password. Uninstall Select this to uninstall the MultiVOIP software (most, but not all components are removed from computer when this command is invoked). Upgrade Software Loads firmware (including H.323 stack) and factory default settings from the controller PC to the MultiVOIP unit. “Downloading” here refers to transferring program files from the PC to the nonvolatile “flash” memory of the MultiVOIP. Such transfers are made via the PC’s serial port. This can be understood as a “download” from the perspective of the MultiVOIP unit. When new versions of the MultiVoip software become available, they will be posted on MultiTech’s web or FTP sites. Although transferring updated program files from the MultiTech web/FTP site to the user’s PC can generally be considered a download (from the perspective of the PC), this type of download cannot be initiated from the MultiVoip software’s Program menu command set.
MultiVOIP User Guide Operation and Maintenance 349 Generally, updated firmware must be downloaded from the MultiTech web/FTP site to the PC before it can be loaded from the PC to the MultiVOIP. Date and Time Setup The dialog box below allows you to set the time and date indicators of the MultiVOIP system. Obtaining Updated Firmware Generally, updated firmware must be downloaded from the MultiTech web/FTP site to the user’s PC before it can be downloaded from that PC to the MultiVOIP. Note that the structure of the MultiTech web/FTP site may change without notice. However, firmware updates can generally be found using standard web techniques. For example, you can access updated firmware by doing a search or by clicking on Support.
Operation and Maintenance MultiVOIP User Guide 350 If you conduct a search, for example, on the word “MultiVoip,” you will be directed to a list of firmware that can be downloaded. If you choose Support, you can select “MultiVoip” in the Product Support menu and then click on Firmware to find MultiVOIP resources.