ClearOne comm CONVERGE SR 1212 - Manual (Page 303)

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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: < 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