ClearOne GT1524 - Manual (Page 23)

Technical Services Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760
Dimensions (LxDxH)
17.25" x 10.25" x 1.75"
43.8 x 26 x 4.5 cm
Weight
7 lb/3.18 kg dry
12 lb/5.4 kg shipping
Operating Temperature
32 to 100° F/0 to 38° C
Humidity
15% to 80%, non-condensing
Power Input Range
Auto-adjusting
100–240VAC; 50/60Hz
Power Consumption
30W typical
RS-232
DB-9 female
9,600 (default)/19,200/38,400 baud
rate
8 bits, 1 stop, no parity
Hardware flow control on (default)/off
Control/Status
DB-25 female
Inputs: active low (pull to ground)
Outputs: open collector, 40VDC max,
40mA each
+5V pins (2), 300mA each
Mic/Line Input
Push-on terminal block, balanced,
bridging
Impedance: 5k
Ω
Nominal Level: adjustable -55dBu,
0dBu
Maximum Level: -33dBu, +20dBu
Echo Cancellation: 120ms tail time
(works with 12dB of room gain)
Phantom Power: 24V, selectable
AUX In
Push-on terminal block, balanced,
bridging
Impedance: 20k
Ω
Nominal Level: 0dBu
Maximum Level: 19dBu
4 Wire/Video Codec In
Push-on terminal block, balanced,
bridging
Impedance: 20k
Ω
Nominal Level: 0dBu
Maximum Level: 19dBu
Line Output
Push-on terminal block, balanced,
bridging
Impedance: 50
Ω
Nominal Level: 0dBu
Maximum Level: 19dBu
AUX Output
Push-on terminal block, balanced,
bridging
Impedance: 50
Ω
Nominal Level: 0dBu
Maximum Level: 19dBu
4 Wire/Video Codec Out
Push-on terminal block, balanced,
bridging
Impedance: 50
Ω
Nominal Level: 0dBm
Maximum Level: 19dBu
Speaker Output
Binding post; 5W max into 4
Ω
Telco Line
RJ-11 connector
POTS (plain old telephone service)
line or analog extension from PBX
Telco Set
RJ-11 connector
Connect analog telephone set
A-lead supervision provided
Audio Performance Conditions
Unless otherwise specified, all measure-
ments are performed with a 22Hz to
22kHz BW limit (no weighting).
Frequency Response: 20Hz to 15kHz
±2dB
Noise (EIN): -125dBu, 15kHz BW,
max gain, Rs=150
Ω
THD+N: <0.1%
SNR: 65dB re 0dBu
Dynamic Range: 85dB
Telco Audio Performance
Frequency Response: 250Hz to 3.3kHz
±2dB (AGC disabled)
SNR: >60dB re -15dBm on/off the
telephone line
THD+N: <0.2%, 250Hz to 3.3kHz
(AGC disabled)
Pre-emphasis: +4dB @ 2kHz
TEC tail time: 31ms
TEC null: 55dB nominal
Approvals
FCC, ASA, CE
Appendices
Appendix A: Specifications