Clearone CONVERGE Pro VH20 视频会议系统

VoIP Features
SIP V2 (rfc 3261 and compananion rfcs)
Codec Support
g.711u
g.711A
g.722 wideband audio
g.729AB
g.723.1

Security Features
Full Security Capability with TLS, AES,SRTP

Noise Cancellation
Noise Cancellation 6-15 dB attenuation

Audio Performance
conditions: Unless otherwise specified, all measurements are performed with a 20 Hz to 22 kHz BW limit (no weighting)
Frequency Response: 20 Hz to 22 kHz
±1dB Rs=150 Ω
THD+N: <0.02%
Dynamic Range: 100 dB (non A-weighted)
Crosstalk <-91 dB re 20 dBu @ 20 kHz channel to channel

Line Inputs 1, 2
Push-on mini-terminal block, balanced,bridging
Impedance: < 10 kΩ
Nominal level: 0 dBu
Maximum level: 20 dBu

Line Outputs 1,2
Push-on mini-terminal block, balanced
Impedance: < 50 Ω
Nominal level: 0 dBu
Maximum level: 20 dBu

Expansion Bus In/Out
Proprietary network
RJ-45 (2),category 5 twisted-pair cable,200’ maximum cable length between any two converge Pro devices

Ethernet
Autoswitching with Quality of connection(QoC)
10/100 Mbps Ethernet Network Port
10/100 Mbps Ethernet PCPort
RJ-45 Connectors

RS-232
Serial Command Protocol Only (Console software not supported on RS- 232 port)
DB-9 female
9,600/19,200/38,400/57,600/115,200 baud
rate; 8 bits,
1 stop bit, no parity
Hardware flow control on (default)/off

USB
Version 2.0 compatible
Type: B-connector

Control/Status Ports
DB-25 female A/B (2)
Inputs A/B: active low (pull to ground)
Outputs A/B: open collector, 40 VDC max,40 mA each
+3.3 VDCpins (2) (300 mA over-current protected)

Configuration & Administration Software
Converge™ Console

Network
Remote Management & Configuration
HTTP web server
Telnet Client
SMTP Client
SNMP Agent
DNS
DHCP

Power Input Range
Auto-Adjusting
100–240 VAC; 50/60 Hz

Power Consumption
30 W Typical

Dimensions (L x D x H)
17.25” x 10.25” x 1.75”
43.8 x 26 x 4.5 cm

Weight
7.5 lbs/3.3375 kg unit weight
12 lbs/5.4kg shipping weight

Operating Temperature
14°F/-10°Cto 122°F/50°Cambient unit temperature
Approvals & Compliance
AES48-2005: AES standard on intercon-
nections —Grounding and EMCpractices
— Shields of connectors in audio equipment
containing active circuitry (self certified)
U.S.A. & Canada
CSA safety listed
EU Countries
RoHS compliant
WEEE compliant
See product manual for additional details

Optional Accessories
Converge Pro 880
Converge Pro 880T
Converge Pro 8i
Converge SR 1212
Converge SR 1212A
Converge Pro 840T
Converge Pro TH20
Tabletop Controller

Part Number
910-151-825 Converge Pro
VH20
Telephone Interface for Converge/Converge
Pro Platform