Digital Voice Systems VC-20-PRJ25, Руководство пользователя

Страница: 7 / 25

VC-20-PRJ25 IMBE™ Vocoder Board
User’s Manual
DVSI Confidential Proprietary
Page v
Table of Contents
T
ABLE OF
C
ONTENTS
Section 1
P
RODUCT
I
NTRODUCTION
............................................................................1
G
ENERAL
I
NFORMATION
...............................................................................................1
Section 2
VC-20-PRJ25 IMBE™ V
OCODER
O
PERATION
..........................................2
O
PERATION
..................................................................................................................2
Section 3
T
ECHNICAL
S
PECIFICATIONS
........................................................................3
VC-20-PRJ25 C
ONNECTOR
S
IGNAL
D
ESCRIPTIONS
................................................6
Section 4
C
HAPTER
2 T
ECHNICAL
D
RAWINGS
............................................................10
Section 5
C
HAPTER
3 DVSI S
UPPORT
S
ERVICES
......................................................16
T
ECHNICAL
S
UPPORT
............................................................................................... 16
L
IST OF
F
IGURES
Figure 1 Silence / Voice Frame Signaling .................................................................................9
Figure 2
VC-20-PRJ25 Connections In Loop-Back Mode.......................................................15
Figure 3
Connections between VC-20-PRJ25 and a Modem .................................................16
Figure 4
Dual VC-20- PRJ25 Vocoder Board Connections ....................................................17
Figure 5
VC-20- PRJ25 Channel Signal Timing Relationships...............................................18
Figure 6
Run Signal Timing ....................................................................................................20
Figure 7
VC-20-PRJ25 Physical Dimensions .........................................................................21