NEC 128/384 manual VisuaLink 128 and VisuaLink 384 General Parameters, Parameter VisuaLink

VisuaLink 128/384 User GuideChapter 2

Table 2-1: VisuaLink 128 and VisuaLink 384 General Parameters

	Parameter		VisuaLink 128	VisuaLink 384
		Connection	Basic Rate Interface (BRI)	Basic Rate Interface (BRI)
		Line Type	National ISDN-1	National ISDN-1
			• TEL	• TEL
			• 64 Kbps (B)	• 64 Kbps (B), 2 x 64kbps (2B)
Line		Transmission	• 2x64 Kbps (2B)	• 128, 192, 256, 320, 384 Kbps
		Speed	• Upgradeable to 384 Kbps	• 56, 112, 168, 224, 280, 336kbps
			Note: Px56 Kbps mode complies with	Note: P x 56kbps mode complies with B and 2B.
			B and 2B
		Interface	One RJ-45 Modular Jack	Three RJ-45 Modular Jacks
		Compression	H. 261, H.263	H. 261, H.263
			• CIF (resolution: 352x288) (H.261)	• CIF (resolution: 352x288) (H.261)
		Resolution	• QCIF (resolution: 176x144) (H.263)	• QCIF (resolution: 176x144) (H.263)
			• Annex D (720x480) still graphic	• Annex D (720x480) still graphic
Video			transmission / reception	transmission / reception
			• NTSC composite: 1 input, 1 output	• NTSC composite: 1 input, 1 output (RCA pin
		Input / Output	(RCA pin jack)	jack)
		Interface	• S-Video component: 1 input, 1 output	• S-Video component: 1 input, 1 output (DIN 4-
			(DIN 4-pin)	pin)
		Protcol	H/281, NEC video method	H/281, NEC video method
Camera
		Control	VCCI, D3O	VCCI, D3O
			• G.711 (3.4kHz)	• G.711 (3.4kHz)
		Compression	• G.722 (7kHz)	• G.722 (7kHz)
			• G.728 (3.4kHz)	• G.728 (3.4kHz)
		Echo Control	7kHz built-in echo canceller	7kHz built-in echo canceller
Audio			• Line Audio: 1 input, 1 output (RCA pin	• Line Audio: 1 input, 1 output (RCA pin jack)
			jack)	• Headset: 1 input, 1 output (stereo mini plug)
			• Headset: 1 input, 1 output (stereo mini	• Analog phone port: 1 input, 1 output (RJ-11
		Input / Output	plug)	modular jack)
		Interface	• Analog phone port: 1 input 1 output (RJ-	• Microphone input port: 3 inputs (mono mini
			11 modular jack)	plug)
			• Microphone input port: 3 inputs (mono
			mini plug)
			• Ports: 2 Serial (DIN 8-pin)	• Ports: 2 Serial (DIN 8-pin)
		Serial	• Speed: 1.2-38.4 Kbps, asynchronous	• Speed: 1.2-38.4 Kbps, asynchronous
			• Start-Stop synchronization	• Start-Stop synchronization
Data
			• PC control	• PC control
		Control	• Camera control	• Camera control
			• T/120 data transmission	• T/120 data transmission
			• Generic data transmission	• Generic data transmission

NDA-24230 Issue 2.0 Page 2-5