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Topic: Bipolar violation


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In the News (Mon 28 May 12)

  
  DDS Overview and Operation
So, Bipolar Violation sequences are used to workaround this problem.
Additionally, specific Bipolar Violation codes are used for diagnostic tests by the phone company.
For 56 KBPS channels, the Bipolar Violation codes are based upon B7ZS (Bipolar 7 Zero Substitution).
telecom.tbi.net /ddsops.htm   (838 words)

  
  Bipolar Disorder Daily News Blog: Bipolar Disorder Advocacy Archives
Most importantly stigma was discussed; and the significance of realizing that actions of people with bipolar are out of their control until they receive treatment.
The survey revealed that almost half (47%) of all people with bipolar disorder - or 'consumers' as many mental health patients prefer to be referred to as - feel that their disease has had a Read more...
While not specifically about bipolar disorder, it is a good overview of the important problems with Hollywood when it comes to mental illness.
www.pendulum.org /bpnews/archive/cat_bipolar_disorder_advocacy.html   (1273 words)

  
  Cisco - NTM Bipolar Errors
A bipolar violation (BPV) error measures the number of times pulses of the same consecutive polarity are received on the T1 or E1.
A BPV error event for a B8ZS or HDB3 signal is the occurrence of a pulse of the same polarity as the previous pulse that is not part of the zero substitution code.
Bipolar errors are typically caused by equipment on a local cable such as a NTM receiver, cable, channel service unit (CSU) and network termination (NT) transmitters.
www.cisco.com /warp/public/74/wansw_tsa/igx/docs/ntm_ntc/ntm_bipolar.html   (653 words)

  
 Understanding WAN Bandwidth Delivery > Hierarchy of Dedicated Digital Services   (Site not responding. Last check: )
A bipolar violation occurs when two consecutive pulses in the same polarity are received; this is an indication of one or more bit errors.
Bipolar violations are sometimes created intentionally because the bipolar error can be used as a third signal of sorts.
B8ZS, bipolar with 8-zero substitution, encodes a string of eight consecutive 0s into a series of 1s, 0s, and a specific pair of bipolar violations.
www.informit.com /articles/article.asp?p=21318&seqNum=4   (847 words)

  
 Grass Valley Dictionary
In telecommunications, a DS3 coding method in which strings of three data 0's are replaced with either a B0V or 00V.
B is a bipolar pulse, and V is a pulse of the same polarity as the previous pulse.
In telecommunications, a DS2 coding method in which strings of six data 0's are replaced with 0VB0VB.
www.thomsongrassvalley.com /docs/Miscellaneous/Dictionary/DictionaryB2_B.html   (2362 words)

  
 San Antonio Probation Violation Lawyer Texas Parole Attorney TX Juvenile Criminal Drug Sex Charge Bexar County New ...
At the Law Offices of Gary Churak, P.C., in San Antonio, Texas, our probation violation attorney represents people who are facing a motion to revoke probation (MTR) for violating the terms of probation.
Probation violations can include the failure to pass a urinalysis, to perform community service, or to report regularly to a probation officer.
Sex crime charges: Don't be sent back to prison for violating the terms of your probation without speaking to a lawyer dedicated to getting you the treatment you need and to keeping you out of jail.
www.garychuraklaw.com /PracticeAreas/Parole-Probation-Violations.asp   (491 words)

  
 What is B8ZS? - a definition from Whatis.com - see also: channel 64, clear channel, binary 8-zero substitution, bipolar ...
- B8ZS (bipolar 8-zero substitution, also called binary 8-zero substitution, clear channel, and clear 64) is an encoding method used on T1 circuits that inserts two successive ones of the same voltage - referred to as a
The device receiving the signal interprets the bipolar violation as a timing mark, which keeps the transmitting and receiving devices synchronized.
B8ZS uses bipolar violations to synchronize devices, a solution that does not require the use of extra bits, which means a T1 circuit using B8ZS can use the full 64 Kbps for each channel for data.
searchnetworking.techtarget.com /sDefinition/0,,sid7_gci752446,00.html   (449 words)

  
 Human Rights Watch: Prison Conditions in the United States
Thirty percent of prisoners are estimated to have major depression and 15 percent may have a psychotic disorder.
Human Rights Watch has found that children who served as soldiers in Burundi are subjected to harsh and brutal prison conditions, and treated as adults in the country's judicial system.
The evidence is overwhelming that it is cruel and a violation of basic human dignity to force prisoners with serious mental illness to spend years confined round the clock in claustrophobic cells, with nothing to do, and no one with whom to have a normal conversation.
www.hrw.org /prisons   (1495 words)

  
 Bipolar Disoder or Manic Depression Starts at College Age
Bipolar Disorder, or Manic Depression, often begins to show itself in college-age students.
violation of others' sexual boundaries, many different sexual partners), prolonged periods of sleeplessness, high levels of risky behavior that may result in injury or death, delusions of grandeur (i.e.
Bipolar disorder in its early stages can be misdiagnosed as alcohol or drug dependency, anxiety disorders, schoid-affective disorder, major depressive disorder, or personality disorders such as narcissistic personality disorder.
www.selfcounseling.com /help/depression/bipolar.html   (425 words)

  
 B8ZS - a Whatis.com definition
B8ZS (bipolar 8-zero substitution, also called binary 8-zero substitution, clear channel, and clear 64) is an encoding method used on T1 circuits that inserts two successive ones of the same voltage - referred to as a
The device receiving the signal interprets the bipolar violation as a timing mark, which keeps the transmitting and receiving devices synchronized.
B8ZS uses bipolar violations to synchronize devices, a solution that does not require the use of extra bits, which means a T1 circuit using B8ZS can use the full 64 Kbps for each channel for data.
searchwebservices.techtarget.com /gDefinition/0,294236,sid44_gci752446,00.html   (301 words)

  
 Cisco - NTM Bipolar Errors
A bipolar violation (BPV) error measures the number of times pulses of the same consecutive polarity are received on the T1 or E1.
A BPV error event for a B8ZS or HDB3 signal is the occurrence of a pulse of the same polarity as the previous pulse that is not part of the zero substitution code.
Bipolar errors are typically caused by equipment on a local cable such as a NTM receiver, cable, channel service unit (CSU) and network termination (NT) transmitters.
cisco.com /warp/public/74/wansw_tsa/igx/docs/ntm_ntc/ntm_bipolar.html   (653 words)

  
 GL Communications - Monitor T1/E1 Line
A remote alarm is defined as the reception of three consecutive bit 3s equal to "1" of timeslot 0 of non-align frames.
HDB3 Violations (E1 Only): High Density Bipolar 3(HDB3) is a ternary transmission code in which the number of consecutive zeros which may occur is restricted to three, to ensure adequate clock recovery at the receiver.
Bipolar violations are recorded within the frame chip in an 8 bit Counter.
www.gl.com /monitort1e1.html   (1085 words)

  
 PL_Physical_Layer_and_T1
One reason you might have a bipolar violation are noise (errors) on the line.
Bipolar violations can also be used as a secondary signaling channel.
For example, bipolar violations can be used to place a DSU or CSU in loop back test mode.
www.vermontel.net /~rickeary/1_Lectures_v1/PL_Physical_Layer_and_T1.htm   (949 words)

  
 Jack2Rack.com, cat5E, wall plates, keystone jacks, cat6, brackets, bezels, rj45, rj12, rj11, boots, rca, hdmi, dvi, ...
Many bipolar coding schemes attempt to minimize radiated emissions by alternating polarities (causing the signal to sum to zero over time).
A bipolar violation may be an error condition or may indicate a special state in the coding scheme.
Additionally, a bipolar violation is intentionally sent for an eighth consecutive "0," in order to meet a minimum number of pulses required to maintain network synchronization.
www.jack2rack.com /B_Definitions.php   (3382 words)

  
 UNITED STATES DEPARTMENT OF AGRICULTURE
First of all, the conversion to bipolar causes the signal's spectral energy peak to be approximately halved, from 1.544 Mhz to 772 kHz.
B3ZS Abbreviation for Bipolar with 3 Zero Substitution; a zero substitution code commonly used at a DS3 transmission rate that, upon the occurrence of three consecutive zeros in a digital bitstream, will insert (prior to transmission) a predetermined code to cause a bipolar violation.
B8ZS Abbreviation for Bipolar with 8 Zero Substitution; a zero substitution code commonly used at DS1 and DS1C transmission rates that, upon the occurrence of eight consecutive zeros in a digital bitstream, will insert (prior to transmission) a predetermined code to cause two bipolar violations.
www.usda.gov /rus/telecom/publications/html/1751h403.htm   (9880 words)

  
 [No title]   (Site not responding. Last check: )
In B8ZS a method was devised to replace long strings of zeroes with a sequence of intentional bipolar violations.
These bipolar violations include pulses and therefore sufficient pulses are always on the line to retain synchronization.
In B8ZS a specific combination of valid pulses and bipolar violations is used to represent a string of eight zeroes, whenever the user data contains eight zeroes in a row, therefore, the user no longer needs to give up one bit in eight as in AMI.
www.verilink.com /craft/html/b8zs.htm   (204 words)

  
 [No title]
Code Violation Error Event A Code Violation Error Event is the occurrence of a received Cyclic Redundancy Check code that is not identical to the corresponding locally-calculated code.
ds1B8ZS refers to the use of a specified pattern of normal bits and bipolar violations which are used to replace a sequence of eight zero bits (see [14]).
In this context, all eight bits in a channel are technically available for data, but care must be taken with D4 encoded data to avoid having HDLC Flag streams imitate spurious Yellow Alarm conditions.
wigwam.sztaki.hu /rfc/?1232   (3356 words)

  
 [No title]
Coding Violation (CV) For all DS3 applications, a coding violation is a P-bit Parity Error event.
Bipolar Violation (BPV) A bipolar violation, for B3ZS-coded signals, is the occurrence of a received bipolar violation that is not part of a zero-substitution code.
For B3ZS-coded signals, a bipolar violation may also include other error patterns such as: three or more consecutive zeros and incorrect parity.
www.ietf.org /rfc/rfc1233.txt   (2080 words)

  
 [No title]
Code Violation Error Event A Code Violation Error Event is the occurrence of a received Cyclic Redundancy Check code that is not identical to the corresponding locally-calculated code.
ds1B8ZS refers to the use of a specified pattern of normal bits and bipolar violations which are used to replace a sequence of eight zero bits (see [14]).
In this context, all eight bits in a channel are technically available for data, but care must be taken with D4 encoded data to avoid having HDLC Flag streams imitate spurious Yellow Alarm conditions.
www.ietf.org /rfc/rfc1232.txt   (3342 words)

  
 Telco Basics
These bipolar violations include pulses and therefore sufficient pulses are always on the line to retain synchronization.
In B8ZS a specific combination of valid pulses and bipolar violations is used to represent a string of eight zeroes, whenever the user data contains eight zeroes in a row, therefore, the user no longer needs to give up one bit in eight as in AMI.
Bipolar Violations This indicates that unintentional bipolar violations have been detected on the circuit.
networking.ringofsaturn.com /Telecommunications/telco.php   (7452 words)

  
 Overview of WAN Protocols
In bipolar format, alternating positive and negative pulses on the digital line signify the number one, and the absence of a pulse signifies zero (Figure 2-10).
B8ZS substitutes a bipolar violation into a string of eight consecutive zeros at the transmitting end, and removes the bipolar violation at the receiving end.
In a bipolar violation, the first pulse is in the same direction (positive or negative) as the previous data pulse (Figure 2-11).
www25.nortelnetworks.com /library/tpubs/html/router/soft1101/115391A/N_17.HTM   (881 words)

  
 Technical Glossary B - C
When eight zeros in a row are detected, a pattern with intentional bipolar violations is substituted.
These violations enable the receiving end to detect the pattern and replace the zeros.
It uses a defined set of control characters and control character sequences for synchronized transmission of binary coded data between stations in a data communications system.
www.nationaldatamux.com /G20001.htm   (724 words)

  
 Glossary of Telecommunications Terms
A signal transmitted in lieu of the normal signal to maintain transmission continuity and to indicate to the receiving equipment that there is a transmission interruption located either at the equipment originating the AIS signal or upstream of that equipment.
A method of encoding a string of 3 zeros by inserting bipolar violations.
A line code that employs a ternary signal to convey binary digits, in which successive binary ones are represented by signal elements that are normally of alternating positive and negative polarity and of equal amplitude, and in which binary zeros are represented by signal elements that have zero amplitude.
www.ncomm.com /frames/main/glossary.html   (914 words)

  
 Internetworking Terms and Acronyms - B  [Internetworking] - Cisco Systems
Bipolar coding scheme originally developed for use in Ethernet.
Clocking information is embedded into and recovered from the synchronous data stream without the need for separate clocking leads.
A one (1) in a bipolar signal that has the same polarity as the preceding one.
www.cisco-systems.se /en/US/tech/tk1330/tsd_technology_support_technical_reference_chapter09186a0080759897.html   (2708 words)

  
 RFC 1407 (rfc1407) - Definitions of Managed Objects for the DS3/E3 Interfa
The original Coding Violation counter has been renamed to PCV to mean coding violations reported via the P-bits.
Error Events Bipolar Violation (BPV) Error Event A bipolar violation error event, for B3ZS(HDB3)-coded signals, is the occurrence of a pulse of the same polarity as the previous pulse without being part of the zero substitution code, B3ZS(HDB3).
C-bit Coding Violation (CCV) Error Event For C-bit Parity and SYNTRAN DS3 applications, this is the count of coding violations reported via the C-bits.
www.faqs.org /rfcs/rfc1407.html   (4344 words)

  
 RFC 1406 (rfc1406) - Definitions of Managed Objects for the DS1 and E1 Int
Error Events Bipolar Violation (BPV) Error Event A BPV error event for an AMI-coded signal is the occurrence of a pulse of the same polarity as the previous pulse.
Line Coding Violation (LCV) Error Event A Line Coding Violation (LCV) is the occurrence of either a Bipolar Violation (BPV) or Excessive Zeroes (EXZ) Error Event.
Path Coding Violation (PCV) Error Event A Path Coding Violation error event is a frame synchronization bit error in the D4 and E1-noCRC formats, or a CRC error in the ESF and E1-CRC formats.
www.faqs.org /rfcs/rfc1406.html   (5060 words)

  
 Promina 800 Series R2.X3 Documentation - Glossary   (Site not responding. Last check: )
A deliberate bipolar violation to solve the ones density problem, or to accommodate the requirements of digital T1-carrier facilities in the public network, while allowing 64 kbps clear data per channel.
A coding scheme substitution for a bipolar violation in a string of eight consecutive zeroes to avoid the ones density problem.
A bipolar coding format, also referred to as Manchester coding, that allows clock information to be imbedded into and recovered from the synchronous data stream without the need for separate clocking leads.
www.net.com /support/manuals/html/glossary.html   (14996 words)

  
 Card Query
A bipolar violation is a measurement of line and signal quality.
BPIn: Bipolar loop-in indicates the digroup is looped-in at the DS1/PRC interface.
BPOut: Bipolar loop-out indicates the digroup is looped-in at the trunk interface.
www.net.com /support/manuals/html/idnx/vm/vm_19.html   (1169 words)

  
 ' + pPage + '
As Figure 16.2 shows, bipolar encoding still uses no voltage to represent a digital zero, but uses alternative positive and negative voltages to represent digital ones.
The CSU handles line coding, including bipolar violation correction and B8ZS signaling (described in the "Line Coding" section of this chapter).
The primary purpose of the DSU is to convert the standard unipolar digital signal from the multiplexer into a bipolar signal.
www.officewizard.com /books/network/ch16.htm   (4133 words)

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