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: < 5 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

298

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ClearOne comm PRO TH20, PRO 8I, SR 1212 operation manual Converge Pro TH20, 298