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Specifications 5-3
VisuaLink 128/384 General Description
General Parameters
Parameter
VisuaLink 128
VisuaLink 384
Connection
Line Type
Basic Rate Interface (BRI)
National ISDN-1
Basic Rate Interface (BRI)
National ISDN-1
Line
Transmission
Speed
•Tel
• 64 Kbps (B), 2x64 Kbps (2B)
• Upgradeable to 384 Kbps
Note:
Px56 Kbps mode complies with
B and 2B
•Tel
• 64 Kbps (B), 2x64 Kbps (2B)
• 64, 128, 192, 256, 320, 384 Kbps
• 56, 112, 168, 224, 280, 336 Kbps
Note:
Px56 Kbps mode complies with
B and 2B
Interface
One RJ-45 Modular Jack Three RJ-45 Modular Jacks
Video
Compression H. 261, H.263 H. 261, H.263
Resolution
• CIF (resolution: 352x288)
• QCIF (resolution: 176x144)
• Annex D (720x480) still graphic transmission
/ reception
• CIF (resolution: 352x288)
• QCIF (resolution: 176x144)
• Annex D (720x480) still graphic
transmission / reception
Input / Output
Interface
• NTSC composite: 1 input, 1 output
(RCA pin jack)
• S-Video component: 1 input, 1 output
(DIN 4-pin)
• NTSC composite: 1 input, 1 output
(RCA pin jack)
• S-Video component: 1 input, 1 output
(DIN 4-pin)
Camera
Protcol H/281, NEC video method H/281, NEC video method
Control VCCI, D3O VCCI, D3O
Audio
Compression
• G.711 (3.4kHz)
• G.722 (7kHz)
• G.728 (3.4kHz)
• G.711 (3.4kHz)
• G.722 (7kHz)
• G.728 (3.4kHz)
Echo Control 7kHz built-in echo canceller 7kHz built-in echo canceller
Input / Output
Interface
• Line Audio: 1 input, 1 output
(RCA pin jack)
• Headset: 1 input, 1 output
(stereo mini plug)
• Analog phone port: 1 input 1 output
(RJ-11 modular jack)
• Microphone input port: 3 inputs
(mono mini plug)
• Line Audio: 1 input, 1 output
(RCA pin jack)
• Headset: 1 input, 1 output
(stereo mini plug)
• Analog phone port: 1 input, 1 output
(RJ-11 modular jack)
• Microphone input port: 3 inputs
(mono mini plug)