公开(公告)号：US07397385B1

公开(公告)日：2008-07-08

申请号：US11297581

申请日：2005-12-08

申请人： Paritosh Bajpay ,  Carolyn V. Bekampis ,  Hossein Eslambolchi ,  Nino Girardi ,  Wen-Jui Li ,  David Lu ,  John McCanuel ,  John Soares, III ,  Mihail Vasilescu

发明人： Paritosh Bajpay ,  Carolyn V. Bekampis ,  Hossein Eslambolchi ,  Nino Girardi ,  Wen-Jui Li ,  David Lu ,  John McCanuel ,  John Soares, III ,  Mihail Vasilescu

IPC分类号： G08B21/00

CPC分类号： H04L41/0677 ,  G01R31/088 ,  H04L43/106 ,  H04L43/16

摘要： Computer systems and techniques for predicting a cable failure in a network system begin by receiving a remote alarm indicator followed by a remote alarm indicator clear as a transmission alarm indicator of an intermittent short duration failure on the transmission path of a circuit. If the transmission alarm indicator is of a duration less than or equal to a preset threshold D it is considered an acceptable short hit transmission alarm. When at least N acceptable transmission alarms have been received and the time stamps of the last N acceptable transmission alarms have been recorded, then a determination is made as to whether N acceptable transmission alarms have been received within a preset time period. A moving window time period is calculated as the difference between the time stamp of the present acceptable transmission alarm K and the time stamp of the [(K−N)+1] acceptable transmission alarm. If the difference is less than or equal to T, a cable error signature is indicated. Based on the cable error signature, a cable failure may be predicted.

摘要翻译： 用于预测网络系统中的电缆故障的计算机系统和技术首先通过接收远程警报指示符，然后将远程警报指示符清除为电路传输路径上的间歇性短时间故障的传输警报指示器。 如果传输报警指示灯持续时间小于等于预设阈值D，则认为是可接受的短命中传输报警。 当已经接收到至少N个可接受的传输报警并且已经记录了最后N个可接受传输报警的时间戳时，则确定在预设时间段内是否已经接收到N个可接受的传输报警。 移动窗口时间段被计算为当前可接受的传输报警K的时间戳和[（K-N）+1]可接受传输报警的时间戳之间的差。 如果差值小于或等于T，则指示电缆错误签名。 基于电缆错误签名，可以预测电缆故障。

公开(公告)号：US06233225B1

公开(公告)日：2001-05-15

申请号：US09097789

申请日：1998-06-15

申请人： David J. Antonello ,  David L. Carter ,  Nino Girardi ,  Robert J. Hofmann ,  Karl T. Koppany ,  Michael J. Lutz ,  Robert F. Merski

发明人： David J. Antonello ,  David L. Carter ,  Nino Girardi ,  Robert J. Hofmann ,  Karl T. Koppany ,  Michael J. Lutz ,  Robert F. Merski

IPC分类号： G01R3108

CPC分类号： H04L25/4925 ,  H04L1/247

摘要： Line coding mismatches on a transmission channel in a telecommunications network will manifest a constant error signature having a certain number of errored seconds, severely errored seconds, unavailable time and lost sync. errors upon the application of a test pattern comprising a sequence of a first, second and third octet, each repeated a prescribed number of times. The first and second octets remain constant regardless of the nature of the transmission channel, while the nature of the third octet varies according to the transmission rate of the DS0 under test and associated DS1 under test. The test pattern will reveal a line coding mismatch. In a B8ZS environment (64 Kbps clear channel capability), the pattern may be run on any DS0 channel within the DS1. In an AMI-with-ZCS environment (56 Kbps or 64 Kbps restricted), the pattern must run on either channel 1 or 24.

摘要翻译： 电信网络中的传输信道上的线路编码不匹配将显示具有一定数量的错误秒，严重错误秒，不可用时间和丢失同步的恒定错误签名。 在应用包括第一，第二和第三八位字节的序列的测试图案时，每个重复规定次数的错误。 第一个和第二个八位字节保持不变，不管传输信道的性质如何，而第三个八位字节的性质根据正在测试的DS0的传输速率和相关的DS1而变化。 测试模式将显示线路编码不匹配。 在B8ZS环境（64 Kbps清除通道功能）中，模式可以在DS1中的任何DS0通道上运行。 在AMI-with-ZCS环境（限制56 Kbps或64 Kbps）的情况下，模式必须在通道1或24上运行。

公开(公告)号：US07847701B2

公开(公告)日：2010-12-07

申请号：US12166306

申请日：2008-07-01

申请人： Paritosh Bajpay ,  Carolyn V. Bekampis ,  Hossein Eslambolchi ,  Nino Girardi ,  Wen-Jui Li ,  David Lu ,  John McCanuel ,  John Soares, III ,  Mihail Vasilescu

发明人： Paritosh Bajpay ,  Carolyn V. Bekampis ,  Hossein Eslambolchi ,  Nino Girardi ,  Wen-Jui Li ,  David Lu ,  John McCanuel ,  John Soares, III ,  Mihail Vasilescu

IPC分类号： G08B21/00

CPC分类号： H04L41/0677 ,  G01R31/088 ,  H04L43/106 ,  H04L43/16

摘要： Computer systems and techniques for predicting a cable failure in a network system begin by receiving a remote alarm indicator followed by a remote alarm indicator clear as a transmission alarm indicator of an intermittent short duration failure on the transmission path of a circuit. If the transmission alarm indicator is of a duration less than or equal to a preset threshold D it is considered an acceptable short hit transmission alarm. When at least N acceptable transmission alarms have been received and the time stamps of the last N acceptable transmission alarms have been recorded, then a determination is made as to whether N acceptable transmission alarms have been received within a preset time period. A moving window time period is calculated as the difference between the time stamp of the present acceptable transmission alarm K and the time stamp of the [(K−N)+1] acceptable transmission alarm. If the difference is less than or equal to T, a cable error signature is indicated. Based on the cable error signature, a cable failure may be predicted.

摘要翻译： 用于预测网络系统中的电缆故障的计算机系统和技术首先通过接收远程报警指示符，然后将远程报警指示符清除为电路传输路径上的间歇性短时间故障的传输报警指示器。 如果传输报警指示灯持续时间小于等于预设阈值D，则认为是可接受的短命中传输报警。 当已经接收到至少N个可接受的传输报警并且已经记录了最后N个可接受传输报警的时间戳时，则确定在预设时间段内是否已经接收到N个可接受的传输报警。 移动窗口时间段被计算为当前可接受的传输报警K的时间戳和[（K-N）+1]可接受传输报警的时间戳之间的差。 如果差值小于或等于T，则指示电缆错误签名。 基于电缆错误签名，可以预测电缆故障。

公开(公告)号：US20080266127A1

公开(公告)日：2008-10-30

申请号：US12166306

申请日：2008-07-01

申请人： Paritosh Bajpay ,  Carolyn V. Bekampis ,  Hossein Eslambolchi ,  Nino Girardi ,  Wen-Jui Li ,  David Lu ,  John McCanuel ,  John Soares ,  Mihail Vasilescu

发明人： Paritosh Bajpay ,  Carolyn V. Bekampis ,  Hossein Eslambolchi ,  Nino Girardi ,  Wen-Jui Li ,  David Lu ,  John McCanuel ,  John Soares ,  Mihail Vasilescu

IPC分类号： G08B21/00

CPC分类号： H04L41/0677 ,  G01R31/088 ,  H04L43/106 ,  H04L43/16

摘要： Computer systems and techniques for predicting a cable failure in a network system begin by receiving a remote alarm indicator followed by a remote alarm indicator clear as a transmission alarm indicator of an intermittent short duration failure on the transmission path of a circuit. If the transmission alarm indicator is of a duration less than or equal to a preset threshold D it is considered an acceptable short hit transmission alarm. When at least N acceptable transmission alarms have been received and the time stamps of the last N acceptable transmission alarms have been recorded, then a determination is made as to whether N acceptable transmission alarms have been received within a preset time period. A moving window time period is calculated as the difference between the time stamp of the present acceptable transmission alarm K and the time stamp of the [(K−N)+1] acceptable transmission alarm. If the difference is less than or equal to T, a cable error signature is indicated. Based on the cable error signature, a cable failure may be predicted.

摘要翻译： 用于预测网络系统中的电缆故障的计算机系统和技术首先通过接收远程警报指示符，然后将远程警报指示符清除为电路传输路径上的间歇性短时间故障的传输警报指示器。 如果传输报警指示灯持续时间小于等于预设阈值D，则认为是可接受的短命中传输报警。 当已经接收到至少N个可接受的传输报警并且已经记录了最后N个可接受传输报警的时间戳时，则确定在预设时间段内是否已经接收到N个可接受的传输报警。 移动窗口时间段被计算为当前可接受的传输报警K的时间戳和[（K-N）+1]可接受传输报警的时间戳之间的差。 如果差值小于或等于T，则指示电缆错误签名。 基于电缆错误签名，可以预测电缆故障。