Accession Number:

ADA088352

Title:

Digital Group Multiplexers (DGM). Volume 2. Section 3.0, 5.0, 7.0, 15.4

Descriptive Note:

Final rept. May 1975-Feb 1980

Corporate Author:

RAYTHEON CO SUDBURY MA COMMUNICATIONS SYSTEMS LAB

Personal Author(s):

• Hatton, William
• Onthank, Charles
• Graves, Paul

Report Date:

1980-02-01

Pagination or Media Count:

248.0

Abstract:

The technical objective of this program was to develop a family of Digital Group Multiplexers DGM which form an integral part of the communications Nodal Control Element CNCE and the Transmission Facilities associated with the Automatic Central Office Communications, ANTC-39 Automatic Switch. The DGM consists of 13 different equipments which 3 are mentioned in this technical document. These are Loop Group Multiplexer LGM, Remote Loop Group Multiplexer RLGM, and the Remote Multiplexer Combiner RMC. The multiplexers and cable transmission equipments will be employed primarily in technical communications control facilities to serve clusters of digital subscribers in a switched network and to provide digital transmission to the Radio Park Via radio or cable.

Descriptors:

• *DIGITAL SYSTEMS
• *MULTIPLEXING
• *COMMUNICATIONS CENTRALS
• INTEGRATED SYSTEMS
• CLOCKS
• SPECIFICATIONS
• EXPERIMENTAL DESIGN
• MAINTAINABILITY
• REMOTE SYSTEMS
• RELIABILITY
• ELECTROMAGNETIC INTERFERENCE
• TIME DIVISION MULTIPLEXING
• DATA RATE
• MODEMS

Subject Categories:

• Non-Radio Communications

Distribution Statement:

APPROVED FOR PUBLIC RELEASE