ClearOne Converge Pro - Manual (Page 356)

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CONVERGE PRO TH20
Telephone Audio Performance
• Conditions: Unless otherwise specified, all
measurements are performed with Transmit Limiter and
Receive ALC disabled
• Frequency Response: 250Hz to 3.3 kHz ±1dB
• THD+N: <0.3% re-max level 250 Hz to 3.3 kHz
• SNR: > 62 dB re-max level
Telephone Noise Cancellation
• Noise Cancellation 6-15 dB attenuation
Telco Line Echo Cancellation
• Tail Time: 31 ms
• Null: 55 dB nominal
Telco Line
• RJ-11
• POTS (plain old telephone service) or analog extension
from a PBX)
• A-lead supervision provided
Telco Set
• RJ-11
• POTS (plain old telephone service) or analog extension
from a PBX
• A-lead supervision provided
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 kΩ
• Nominal Level: 0 dBu
• Maximum Level: 20 dBu
Expansion Bus In/Out
• Proprietary Network
• RJ-45 (2), 1.9 Mbps
• Category 5 twisted-pair cable, 200’ maximum cable
length between any two CONVERGE/CONVERGE Pro
devices
Ethernet
• Autoswitching with Quality of Connection (QoC)
• 10/100 Mbps Ethernet Network Port
• 10/100 Mbps Ethernet PC Port
• 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 VDC pins (2) (300 mA over-current protected)
Configuration & Administration Software
• CONVERGE Console
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
Operating Temperature
• 14° F/-10° C to 122° F/50° C ambient unit temperature
Approvals
• See Appendix D: Compliance
• AES48-2005: AES standard on interconnections —
Grounding and EMC practices — Shields of connectors
in audio equipment containing active circuitry (self
certified)
Part Number
910-151-820 CONVERGE Pro TH20
Telephone Hybrid for CONVERGE Pro 880, 880T, 840T, 8i, and
CONVERGE SR 1212