Communications System Owner Manual
Table Of Contents
- Table of Contents
- ABOUT THIS DOCUMENT
- 1. INTRODUCTION TO CONNECTIVITY
- 2. COMMUNICATION SYSTEM NETWORKING (em AN OVERVIEW
- 3. TANDEM TIE TRUNK NETWORKS
- 4. MAIN-SATELLITE/TRIBUTARY (MS/T) NETWORKS THROUGH THE UDP OR MULTIPREMISES PACKAGES
- 5. ELECTRONIC TANDEM NETWORK (ETN) THROUGH THE ETN AND PNA PACKAGES
- 6. DISTRIBUTED COMMUNICATIONS SYSTEM (DCS)
- 7. DATA CONNECTIVITY - AN OVERVIEW
- 8. DATA COMMUNICATIONS CAPABILITIES
- 9. DATA COMMUNICATIONS CONFIGURATIONS
- A. RELATED DOCUMENTS
- B. SYNCHRONIZATION OF DIGITAL FACILITIES
- THE NEED FOR SYNCHRONIZATION
- SYNCHRONIZATION HIERARCHY
- CHANGES TO THE SCS SOFTWARE MADE AVAILABLE VIA SOFTWARE PATCHES
- NETWORK SYNCHRONIZATION AND ENGIINEERING
- AVAILABILITY OF SYNCHRONIZATION SOURCES
- CONCLUSIONS ON SYNCHRONIZATION
- USE OF GENERIC 2 AS A SYSTEM CLOCK REFERENCE
- USE OF GENERIC 1 AS A SYSTEM CLOCK REFERENCE
- C. TRUNKING TERMS AND CAPABILITIES
- D. COMMUNICATIONS PROTOCOLS
- E. LEAD DEFINITIONS
- F. NETWORKING FEATURES - AVAILABILITY MATRIX
- ABBREVIATIONS
- GLOSSARY
- INDEX
PUBLIC AND PRIVATE DATA NETWORK CONNECTIONS 8-25
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PUBLIC
SWITCHED
DATA NETWORK
(DOMESTIC)
S85
G1/G2
MPDM,
7400A&B,
7500B
DTE
PRI
POP
POP
PRI
4ESS
4ESS
S85
G1/G2
DTE
MPDM,
7400A&B,
7500B
Figure 8-15. Domestic Public Switched Data Network with ISDN-PRI Facilities (Modes 0, 1, 2, 3)
PUBLIC
SWITCHED
DATA NETWORK
(INTERNATIONAL)
G2
7500B
DTE
BRI
POP
PRI
INT’L
OFFICE
4ESS
TERML
ADPTR
DTE
DCE
Figure 8-16. International Public Switched Data Network with ISDN-PRI Facilities (Modes 0, 1)