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
1-8 TRANSMISSION STATES
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ANALOG TIME-MULTIPLEXED SWITCH
PAM
PAM
ANALOG
VOICE
TERMINAL
ANALOG
VOICE
TERMINAL
ANALOG
VOICE
TERMINAL
A
N
A
L
O
G
T
R
U
N
K
P
O
R
T
L
I
N
E
P
O
R
T
A
N
A
L
O
G
L
I
N
E
P
O
R
T
A
N
A
L
O
G
ANALOG VOICE
ANALOG VOICE
ANALOG VOICE
ANALOG VOICE
P
O
R
T
D
I
G
I
T
A
L
L
I
N
E
D
I
G
I
T
A
L
T
R
U
N
K
P
O
R
T
A
N
A
L
O
G
T
R
U
N
K
P
O
R
T
L
I
N
E
P
O
R
T
A
N
A
L
O
G
ANALOG VOICE
ANALOG VOICE
ANALOG VOICE
ANALOG VOICE
ANALOG VOICE
DIGITAL
VOICE
TERMINAL
DIGITAL
VOICE
TERMINAL
DIGITAL
VOICE
TERMINAL
ANALOG
VOICE
TERMINAL
ANALOG
VOICE
TERMINAL
ANALOG
VOICE
TERMINAL
ANALOG VOICE
PCM
PCM
PCM
PCM
PCM
PCM PCM
PCM
PCM
PCM
PCM
DIGITAL SWITCH
PCM
*
#
0
9 8 7
6 5 4
3 2 1
*
#
0
9 8 7
6 5 4
3 2 1
*
#
0
9 8 7
6 5 4
3 2 1
Figure 1-2. Transmission States for Voice Communication