At T1 Error Modem
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Dsl Modem
search faq for details.advanced search: by author, subreddit...this post was submitted on 16 Feb 20152 points (100% upvoted)shortlink: remember mereset passwordloginSubmit a new text postexplainlikeimfiveunsubscribesubscribe10,397,117 readers4,366 users here nowrequest an explanation Rules FAQ Have g1 modem an idea to improve ELI5? Click here! Before posting Make sure to read the rules. This subreddit is for asking for objective explanations. It is not a repository for any question you may have. E is for Explain - merely answering a question is not enough. LI5 means friendly, simplified and layman-accessible explanations - not responses aimed at literal five-year-olds. Perform a keyword search, you may find good explanations in past threads. You should also consider looking for your question in the FAQ. Don't post to argue a
& T3/E3Troubleshoot and AlertsConfiguration Example and TechNotes T1 Alarm Troubleshooting isdn modem Download Print Available Languages Download Options PDF (11.9 KB) View
T Mobile Modem
with Adobe Reader on a variety of devices Updated:Feb 04, 2010 Document ID:14170 Contents
T1 Router
Introduction Prerequisites Requirements Components Used Conventions Identifying the Alarm Troubleshooting the Alarm Receive Alarm Indication Signal (Blue) Receive Remote Alarm Indication (Yellow) Transmit Sending https://www.reddit.com/r/explainlikeimfive/comments/2w1qk3/eli5_cable_modem_timeouts_t1_t2_t3_t4/ Remote Alarm (Red) Transmit Remote Alarm Indication (Yellow) Transmit Alarm Indication Signal (Blue) Related Information Introduction This document explains common alarm types that may appear during T1 operation. An explanation of the alarm and common troubleshooting techniques are provided. Use this document in conjunction with the T1 http://www.cisco.com/c/en/us/support/docs/wan/t1-e1-t3-e3/14170-T1-alarms.html Error Events Troubleshooting and the Internetwork Troubleshooting Guide. For more information on the terms used in this document refer to the DS1, T1 and E1 Glossary Prerequisites Requirements There are no specific requirements for this document. Components Used This document is not restricted to specific software and hardware versions. Conventions For more information on document conventions, see the Cisco Technical Tips Conventions. Identifying the Alarm The show controller t1 command displays the controller status specific to the controller hardware. This information is useful for diagnostic tasks performed by technical support personnel. The Network Processor Module (NPM) or MultiChannel Interface Processor (MIP) can query the port adapters to determine their current status. The show controller t1 EXEC command also provides the following: Statistics about the T1 link. If you specify a slot and a port number, statistics for each 15 minute perio
& T3/E3Troubleshoot and AlertsConfiguration Example and TechNotes DS1, T1 and E1 Glossary Download Print Available Languages Download Options PDF (12.3 KB) View with Adobe Reader on a variety of devices Updated:Sep http://www.cisco.com/c/en/us/support/docs/wan/t1-e1-t3-e3/25540-t1e1-codes.html 09, 2005 Document ID:25540 Contents Introduction Prerequisites Requirements Components Used Conventions T1/E1 Terms Error http://kb.faxback.com/Unsustainable+Connections+-+Connection+Error+Definitions Events Performance Defects Performance Parameters Failure States Other Terms Related Information Introduction This document describes various terms associated with T1 and E1 lines. Use this document in conjunction with the following T1 and E1 troubleshooting documentation: T1 Troubleshooting Flowchart E1 Troubleshooting Flowchart Prerequisites Requirements Readers of this document should have knowledge of the following cable modem topic: The output of the show controllers t1 and show controllers e1 commands. Components Used This document is not restricted to specific software and hardware versions. The information in this document was created from the devices in a specific lab environment. All of the devices used in this document started with a cleared (default) configuration. If your network is live, make sure that you understand the potential impact of at t1 error any command. Conventions For more information on document conventions, refer to the Cisco Technical Tips Conventions. T1/E1 Terms Many of the terms listed below are directly visible in the show controllers t1 or show controllers e1 command output. For more information, refer to the document Understanding the show controllers e1 Command. Error Events Bipolar Violation (BPV) Error Event A BPV error event for an alternate mark inversion (AMI)-coded signal is the occurrence of a pulse of the same polarity as the previous pulse. A BPV error event for a B8ZS- or HDB3- coded signal is the occurrence of a pulse of the same polarity as the previous pulse without being a part of the zero substitution code. Controlled Slip (CS) Error Event A Controlled Slip is the replication or deletion of the payload bits of a digital signal level 1 (DS1) frame. A Controlled Slip may be performed when there is a difference between the timing of a synchronous receiving terminal and the received signal. A Controlled Slip does not cause an Out of Frame defect. Excessive Zeroes (EXZ) Error Event An EXZ error event for an AMI-coded signal is the occurrence of more than fifteen contiguous zeroes. For a binary 8-zero substitu
HELP Contact Support Ask Question Support Plans RESOURCES System Requirements Software Updates Document Library FEEDBACK Service Feedback Support Escalation Unsustainable Connections - Connection Error Definitions Edit 5 … 0 Tags No tags Notify RSS Backlinks Source Print Export (PDF) Unsustainable Connections - Connection Error Definitions Unsustainable Connections are generically a failure of the fax machines or fax servers to communicate with one another. The most common cause of these errors are line impairments such as noise or echo on the line. Line impairments can be either on the fax server's line, somewhere in the telephone network (PSTN), or on the remote fax machine's line. List of Unsustainable Connection Errors Here are technical descriptions of each specific Unsustainable Connection error. The exact error code will vary depending on fax driver used. 27987 Can't Agree on Bit Rate The modem and the remote unit couldn't fall back to or agree upon any bit rate. There are two things that could cause this: - The driver was set up to connect at only certain bit rates which the remote unit wasn't capable of. For example, let's say that only 7200 and 9600 bps were enabled to prevent fall back to 4800 bps or slower on a noisy line(hence keeping phone bills smaller). If a connection is made to a remote unit that only supports 2400 or 4800 bps, then a connection can not be made, so this error results. - The more likely suspect is that the telephone line is either very noisy, or the frequency response of the line is servely attenuated at the high end of the pass band. If the connection doesn't sound really "hissy" or "crunchy" when you dial that number with a regular phone, the line length compensation settings may help. 27988 Invalid Training Response After sending 1.5 seconds of training data, the remote unit should have sent a CFR or FTT frame. It sent something else. 27989 Send Max TSI DCS Training This occurs if a FTT or CFR is not received at least once after s