Clearone Converge Pro User Manual Page 264

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260 Technical Services: 800-283-5936
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
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