ClearOne Converge Pro - Manual (Page 264)

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
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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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