Chapter 1 Tainet Modem Introduction
5
Make/Break Ratio : 33/67, 39/61
±
3 %
Auto Answer
V.32bis/V.32/V.22bis/V.22 comply with ITU-T V.25 & V.25bis
V.34 Comply with ITU-T V.8, V.25/V.25bis
Answer Tone : 2100
±
15Hz
Calling Tone : Comply with ITU-T V.8, V.25
Receive Range : -12 ~ -44 dBm, -2 ~ -35 dBm
Dynamic Range : 0 ~ -44 dBm
Equalization : Automatic Adaptive Equalizer
Frequency Shift : Compensation cancel at least of
±
7Hz offset
Far-end Echo Coverage : Maximum 1.2 seconds.
Scrambler & Descrambler: Comply with ITU-T V.34,V.32bis,V.32,V.22bis,
V.22
Data And Control Signal :
Output Voltage
±
(6 ~ 12)V
(ITU-T V.28) Input Voltage
±
(3 ~ 25)V
Output Impedance
≧
330
Ω
Input Impedance 3000 ~ 7000
Ω
Tx Clock Source
Internal/External/Loopback
Freq. Tolerance :
±
0.01 %
Duty Cycle : 50
±
1 %
Test Features
V.54/V.52 , LAL/DL/RDL
Test Patterns - 511
Power Requirement
90 ~ 265 VAC Auto Range, 47 ~ 63 Hz
DC Power Input : -36 ~ -72 VDC option(Chassis type)
Operating Temperature : 0
°
C ~ 50
°
C
Storage Temperature : -25
°
C ~ 70
°
C
Relative Humidity :95 % (non-condensing)
Physical Size
Stand alone
Ö
W - 180mm, H - 48mm, D - 262mm, Weight 0.9kg
Rack mount card
Ö
W - 220mm, H - 26mm, D - 328mm, Weight 0.6kg
Rack mount shelf
Ö
W - 19", H - 6RU, D - 380mm, Weight 8kg