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NDA-24230 Issue 2.0 Page 2-5
VisuaLink 128/384 User Guide Chapter 2
Table 2-1: VisuaLink 128 and VisuaLink 384 General Parameters
Parameter VisuaLink 128 VisuaLink 384
Line
Connection
Line Type
Basic Rate Interface (BRI)
National ISDN-1
Basic Rate Interface (BRI)
National ISDN-1
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), 2 x 64kbps (2B)
• 128, 192, 256, 320, 384 Kbps
• 56, 112, 168, 224, 280, 336kbps
Note:
P x 56kbps 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) (H.261)
• QCIF (resolution: 176x144) (H.263)
• Annex D (720x480) still graphic
transmission / reception
• CIF (resolution: 352x288) (H.261)
• QCIF (resolution: 176x144) (H.263)
• 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)
Data
Serial
• Ports: 2 Serial (DIN 8-pin)
• Speed: 1.2-38.4 Kbps, asynchronous
• Start-Stop synchronization
• Ports: 2 Serial (DIN 8-pin)
• Speed: 1.2-38.4 Kbps, asynchronous
• Start-Stop synchronization
Control
• PC control
• Camera control
• T/120 data transmission
• Generic data transmission
• PC control
• Camera control
• T/120 data transmission
• Generic data transmission