Table 2-2: Visualink 128 And Visualink 384 External Interface Parameters - NEC VisuaLink 128/384 User Manual

VisuaLink 128/384 User Guide

Table 2-2: VisuaLink 128 and VisuaLink 384 External Interface Parameters

Parameter
Line Interface
Video 1 In
Video
Input
Video 2 In
Video 1 Out
Video
Output
Video 2 Out
Line Audio In
Audio
Headset Input
Input
Microphone
Input
NDA-24230 Issue 2.0
VisuaLink 128
• Applicable Line:
(1) ISDN BRI
(2) High speed digital leased line
• Interface: National ISDN-1
• Connector: 1 Modular jack (RJ-45)
• Transmission speed: 64/56 Kbps B,
2x64/2x56 Kbps 2B
• Standard: NTSC composite signal
(525 line, 59.94Hz)
• Connector: RCA pin jack
• Standard: S-Video Component signal
(525 line, 59.94Hz)
• Connector: DIN 4-pin
• Standard: NTSC composite signal
(525 line, 59.94Hz)
• Connector: RCA pin jack
• Standard: S-Video Component signal
(525 line, 59.94Hz)
• Connector: DIN 4-pin
• Input level: -10dBv
• Excessive Load Level:+3dB (G711,
G728), +9dB (G722)
• Input Impedance: High impedance,
unbalanced
• Connector: RCA pin jack
(Using recommended headset):
• Microphone: Electric condenser type
(power supply voltage +25V)
• Input impedance: High impedance
(Using recommended microphone):
• Number of connections: 3
• Applicable microphone: Electric
condenser type (power supply voltage +
15V)
• Impedance: Low impedance
VisuaLink 384
• Applicable Line:
(1) ISDN BRI
(2) High speed digital leased line
• Interface: National ISDN-1
• Connectors: 3 Modular jacks (RJ-45)
• Transmission speed:
1) 64, 128 192, 256, 320, 384 Kbps
2) 56, 112, 168, 224, 280, 336kbps
• Standard: NTSC composite signal
(525 line, 59.94Hz)
• Connector: RCA pin jack
• Standard: S-Video Component signal
(525 line, 59.94Hz)
• Connector: DIN 4-pin
• Standard: NTSC composite signal
(525 line, 59.94Hz)
• Connector: RCA pin jack
• Standard: S-Video Component signal
(525 line, 59.94Hz)
• Connector: DIN 4-pin
• Input level: -10dBv
• Excessive Load Level:+3dB (G711, G728),
+9dB (G722)
• Input Impedance: High impedance,
unbalanced
• Connector: RCA pin jack
(Using recommended headset):
• Microphone: Electric condenser type (power
supply voltage +25V)
• Input impedance: High impedance
(Using recommended microphone):
• Number of connections: 3
• Applicable microphone: Electric condenser
type (power supply voltage + 15V)
• Impedance: Low impedance
Chapter 2
Page 2-7