ClearOne Converge Pro 840T Specifications download pdf (Page 342)

337

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

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