User`s manual

VC-55™ PR Voice Codec Board
User’s Manual Version 1.3
Section 6 – Support
Page 18
DVSI Confidential Proprietary
Line Out
Type: Single-ended Output
Connector: female 3.5mm Audio Jack
Maximum Output Level 1.0 Volt RMS
Output Impedance: <50 Ohms
Bandwidth: 20 Hz to 3.6 kHz (up to 48 kHz.
available)
A/D Resolution: 16 bits
SNR (Non-Weighted) 84 dB
A/D Sampling Rate: 8 kHz (up to 96kHz. available)
Minimum Load 10k Ohms nominal
Handset:
Type: Single-ended
Connector: RJ 4P4C
Bandwidth: 20 Hz to 4 kHz
A/D Sampling Rate: 8 kHz
A/D Resolution: 16 bits
VC-55™- Handset Pin Out
(as viewed from the board)
Pin Number Name
1 and 2 Connected internally to Ground
3 Speaker Out
4 Microphone In/DC Mic Bias out
Table 12 RS-232 Serial Port Pin Out
USB Connection
J3 USB
Pin Number Name
1 No Connection
2 USBA (D-)1
3 USBA2 (D+)
4 No Connection
5 Ground
Electrical Input
J10 Power
Pin Number Name
Center +5 Volts DC
Shield Ground