NEC VisuaLink 128 Manual de usuario descargar pdf (Pagina 35)

Specifications 5-5

VisuaLink 128/384 General Description

External Interface Parameters

Parameter

VisuaLink 128

VisuaLink 384

Line Interface

• Applicable Line:

(1) ISDN BRI

(2) High speed digital leased line

• Interface: National ISDN-1

• Connector: 1 Modular jack (RJ-45)

• Transmission speeds:

1) 64/56 Kbps (B)

2) 2x64/2x56 Kbps (2B)

• Applicable Line:

(1) ISDN BRI

(2) High speed digital leased line

• Interface: National ISDN-1

• Connectors: 3 Modular jacks (RJ-45)

• Transmission speeds:

1) 64, 128 192, 256, 320, 384 Kbps

2) 56, 112, 168, 224, 280, 336 Kbps

Video

Input

Video 1 In

• Standard: NTSC composite signal

(525 line, 59.94Hz)

• Connector: RCA pin jack

• Standard: NTSC composite signal

(525 line, 59.94Hz)

• Connector: RCA pin jack

Video 2 In

• Standard: S-Video Component signal

(525 line, 59.94Hz)

• Connector: DIN 4-pin

• Standard: S-Video Component signal

(525 line, 59.94Hz)

• Connector: DIN 4-pin

Video

Output

Video 1 Out

• Standard: NTSC composite signal

(525 line, 59.94Hz)

• Connector: RCA pin jack

• Standard: NTSC composite signal

(525 line, 59.94Hz)

• Connector: RCA pin jack

Video 2 Out

• Standard: S-Video Component signal

(525 line, 59.94Hz)

• Connector: DIN 4-pin

• Standard: S-Video Component signal

(525 line, 59.94Hz)

• Connector: DIN 4-pin

Audio

Input

Line Audio In

• Input level: -10dBv

• Excessive Load Level:+3dB (G711, G728),

+9dB (G722)

• Input Impedance: High impedance,

unbalanced

• Connector: RCA pin jack

• Input level: -10dBv

• Excessive Load Level:+3dB (G711, G728),

+9dB (G722)

• Input Impedance: High impedance,

unbalanced

• Connector: RCA pin jack

Headset Input

(Using recommended headset):

• Microphone: Electric condenser type (power

supply voltage +25V)

• Input impedance:High impedance

(Using recommended headset):

• Microphone: Electric condenser type (power

supply voltage +25V)

• Input impedance:High impedance

Microphone

Input

(Using recommended microphone):

• Number of connections: 3

• Applicable microphone: Electric

condenser type (power supply

voltage + 15V)

• Impedance: Low impedance

(Using recommended microphone):

• Number of connections: 3

• Applicable microphone: Electric

condenser type (power supply

voltage + 15V)

• Impedance: Low impedance

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