VC-55™ PR Voice Codec Board
(Preliminary)
User's Manual
Specifications
Introduction
This section contains hardware Specifications of the VC-55™ Vocoder Board.
NOTE: All values are typical unless noted otherwise.
All specifications subject to change.
Board Connections
Channel Connection
Serial Port
Type
Connector
VC-55™- PR Vocoder Board RS 232 Serial Port Pin Out
Pin Number
1
2, 5, 6, 8
7
3
4
Table 9 RS-232 Serial Port Pin Out
Audio I/O Connections
Line In
Type
Connector
Maximum Input Level:
Input Impedance
Bandwidth
D/A Resolution
D/A Sampling Rate:
SNR (Non-Weighted)
DVSI Confidential Proprietary
RS-232 asyncronous
RJ-45
Name
Not Used
Connected internally to Ground
Tx Channel out
Not Used
Rx Channel In
Single-ended Input
female 3.5mm Audio Jack
1.41 Volts RMS
10 kOhms nominal
20 Hz to 4 kHz (up to 48 kHz.
available)
16 bits
8 kHz (up to 96kHz. available)
81 dB
Section 6 – Support
Digital Voice Systems, Inc.
The Speech Compression Specialists
Page 17
Need help?
Do you have a question about the VC-55-PR and is the answer not in the manual?