Specifications, 154 | Nortel Networks S640 instruction

Specifications

Technical Notes

Nikon COOLPIX S640 Digital Camera

Type		Compact digital camera
Effective pixels		12.2 million
Image sensor		1/2.33-in. CCD; approx. 12.39 million total pixels
Lens		5× optical zoom, NIKKOR lens
	Focal length	5.0-25.0mm (equivalent with 35mm [135] format picture angle:
		28-140mm)

	f/-number	f/2.7–6.6
	Construction	7 elements in 6 groups
Digital zoom		Up to 4× (equivalent with 35mm [135] format picture angle:
		approx. 560mm)

Vibration reduction		Lens shift
Autofocus (AF)		Contrast-detect AF
	Focus range (from	• [W]: Approx. 45 cm (1 ft. 6 in.) to ∞, [T]: Approx. 70 cm (2 ft.
			4 in.) to ∞
	lens)	• Macro mode: Approx. 2 cm (0.8 in.) to ∞ (wide-end zoom
			position)
	Focus-area selection	Face priority, auto (9-area automatic selection), manual with 99
		focus areas, center

Monitor		2.7-in., approx. 230k-dot, wide viewing angle TFT LCD with
		anti-reflection coating and 5-level brightness adjustment

	Frame coverage	Approx. 100% horizontal and 100% vertical
	(shooting mode)

	Frame coverage	Approx. 100% horizontal and 100% vertical
	(playback mode)

Storage
	Media	Internal memory (approx. 45 MB), SD (Secure Digital) memory cards
	File system	DCF, Exif 2.2, and DPOF compliant
	File formats	Still pictures: JPEG
		Movies: AVI (Motion-JPEG compliant)
		Sound files: WAV
		• 4000×3000 High (4000P)/Normal (4000)
		•	3264×2448 Normal (3264)
Image size		•	2592×1944 Normal (2592)
		•	2048×1536 Normal (2048)
(pixels)
		• 1024×768 PC screen (1024)

		• 640×480 TV screen (640)
		•	3968×2232 16:9 (3968)
ISO sensitivity		• ISO 100, 200, 400, 800, 1600, 3200, 6400
(Standard output		• Auto (auto gain from ISO 100 to 1600)
sensitivity)		• Fixed range auto (ISO 100 to 400, 100 to 800)

154 S640 specifications

Nortel Networks S640, a notable member of the Nortel product line, offers a comprehensive solution for enterprises requiring high-performance network equipment. Known for its reliability and extensive features, the S640 has gained traction in various industries, addressing the demand for robust telecommunications and data networking.

One of the primary characteristics of the S640 is its advanced switching capabilities. It operates at Layer 2 and Layer 3, making it suitable for diverse network topologies. The switch is capable of managing a high volume of data traffic efficiently due to its scalability, accommodating growing network needs without compromising performance.

The S640 is equipped with Power over Ethernet (PoE) technology, which simplifies the deployment of connected devices like IP cameras and VoIP phones. This feature not only reduces the need for separate power supplies but also enhances installation flexibility.

Another vital feature of the S640 is its support for Quality of Service (QoS). This functionality ensures that critical applications receive priority over less essential traffic, leading to improved performance for services such as voice and video over the network. QoS management is especially crucial in business environments where it is necessary to maintain operational efficiency and user satisfaction.

Security is paramount in modern networks, and the S640 addresses this with a range of integrated security features. It supports advanced authentication mechanisms such as IEEE 802.1X, ensuring that only authorized devices can access the network. Additionally, features like virtual LAN (VLAN) support help isolate different segments of network traffic, bolstering security and management capabilities.

The S640 also emphasizes energy efficiency, making it an environmentally friendly option for enterprises concerned about their carbon footprint. Nortel has designed this equipment to meet various energy standards, reducing consumption while delivering optimal performance.

In summary, the Nortel Networks S640 stands out in the crowded networking market through its powerful switching capabilities, support for PoE and QoS, robust security features, and commitment to energy efficiency. This combination of characteristics makes it an ideal choice for enterprises looking to upgrade their networking infrastructure to meet contemporary demands. With its reliable performance and versatile functionalities, the S640 continues to be a significant asset in the evolution of network technology.

Nortel Networks user manual Specifications, 154, Nikon Coolpix S640 Digital Camera

Models: S640

Specifications

Nikon COOLPIX S640 Digital Camera

Lens

lens)

3968×2232 16:9 (3968)

154

S640 specifications