Data Connect V.3600UI Manual de usuario descargar pdf (Pagina 10)

CHAPTER 1： MODEM INTRODUCTION

Table 1-1B : V.34 Symbol Rate and Carrier Frequency

Symbol Rate (Baud) Low Carrier (Hz) High Carrier (Hz)

2400 1600 1800

3000 1800 2000

3200 1829 1920

3429 1959 1959

• Transmit Level Lease-Line: 0~-31 dBm 1 dB stepadjustable.

Dial-Line: 0~-15 dBm 1 dB step adjustable.

•

Line requirement :

４

２

wires L-L or D-L

• Line Impedenance : Balance 600Ω ± 10 %

• Return Loss :> 20 dB, 300 - 3400 Hz

•

Longitude Balance :> 60 dB

•

Dial Line Characteristics:

Maximum Current :120 mA

Holding Resistance : 50 ~ 220

Holding Current : 25 ~ 110 mA

Ring Detect Range : ON - > 27 Vrms

OFF - < 13 Vrms

Ring Detect Frequency : 16 - 50 Hz

DTMF Characteristics : O/P Lowband -8

1 dBm

O/P Highband -6

1 dBm

Frequency Tolerance

≤

1 %

TONE Duration and Spacing 95 ms (adjustable)

Pulse Per Sec : 10

0.5 PPS

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

1 2 ... 5 6 7 8 9 10 11 12 13 14 15 ... 72 73

Comentarios a estos manuales

Sin comentarios

Data Connect V.3600UI Manual de usuario Pagina 10

Comentarios a estos manuales

Relacionado con productos y manuales para Redes Data Connect V.3600UI