公开(公告)号：WO1995007580A1

公开(公告)日：1995-03-16

申请号：PCT/US1994009169

申请日：1994-08-11

Applicant: INTEGRATED NETWORK CORPORATION

Inventor： INTEGRATED NETWORK CORPORATION ,  EMERSON, Earl, A. ,  DESAY, Mahesh, P. ,  GONZALEZ, Henry, J. ,  HONG, Kyung-Yeop ,  SWIM, Martin, L.

IPC: H04L01/18

CPC classification number: H04Q3/00 ,  H04J3/14 ,  H04L1/08 ,  H04Q11/04

Abstract: In a time division multiplex digital communication system, access devices are capable of generating and detecting data sequences that are normally suppressed by end user equipment for establishing in-band communications between the access device and selected intelligent channel units (ICU's). In-band communication is initiated by transmitting a sequence comprising a plurality of first bytes for preventing inadvertent initiation of maintenance operations for digital devices in a particular time slot, followed by a plurality of second bytes in said time slot. In-band communication is established when the selected ICU receives a sequence comprising a plurality of said first bytes, a plurality of bytes which identify the select device and a plurality of said second bytes. Once established, in-band communications can then be used to accomplish automated provisioning, performance reporting, status reporting, alarm reporting as well as other important functions.

Abstract translation: 在时分复用数字通信系统中，接入设备能够生成和检测由终端用户设备正常抑制的用于在接入设备和所选择的智能信道单元（ICU）之间建立带内通信的数据序列。 通过发送包括多个第一字节的序列来启动带内通信，用于防止在特定时隙中数字设备的意外启动，随后在所述时隙中的多个第二字节。 当所选择的ICU接收包括多个所述第一字节的序列，识别选择装置的多个字节和多个所述第二字节时，建立带内通信。 一旦建立起来，可以使用带内通信来完成自动配置，性能报告，状态报告，报警报告以及其他重要功能。

公开(公告)号：WO1989001278A1

公开(公告)日：1989-02-09

申请号：PCT/US1988002566

申请日：1988-07-28

Applicant: INTEGRATED NETWORK CORPORATION

Inventor： INTEGRATED NETWORK CORPORATION ,  HACKETT, Robert, R. ,  KENEPP, Gregory, S. ,  LUNIEWICZ, Michael, M. ,  SWIM, Martin, L.

IPC: H04Q11/04

CPC classification number: H04Q11/04 ,  H04J3/08

Abstract: A line interface module (28, 38) and selected channel unit modules (18) are replaced in a digital terminal which couples time multiplexed digital communications lines (12) to a plurality of voice signal lines (10). The line interface unit (28, 38) is provided with means for responding to a controller (40) to insert PCM data into selected time slots of the PCM signal on the digital line and to latch data received on the line. In addition to receiving pulse amplitude modulated signals from a receive unit (36) in the terminal, voice channel units (18) may also receive the PCM code. A state machine in the channel unit recognizes control sequences of insert data. By means of the insert data, the controller may direct provisioning of the channel unit (18) with such adjustments as gain control and equalization. It may also direct the channel unit to switch to a loopback mode of operation for diagnostics. PCM corresponding to tones may also be inserted by the line interface unit (38) to assist in diagnostics.