Troubleshooting, 148 | Nortel Networks S640 manual

Troubleshooting

If the camera fails to function as expected, check the list of common problems below before consulting your retailer or Nikon-authorized service representative. Refer to the page numbers in the right-most column for more information.

Display, Settings and Power Supply

	Problem		Cause/Solution	A
		•	Camera is off.	19
		•	Battery is exhausted.	24
		• Standby mode for saving power: press the power		13, 19
			switch or the shutter-release button.
	Monitor is blank.	• When flash lamp blinks red, flash is charging. Wait		33
	Monitor is blank.		until charging has finished.
			until charging has finished.
		• Camera is connected to computer via USB cable.		80
		• Camera and TV are connected via audio/video cable.		79
		• The camera cannot be turned on while connected to		16
			an electrical outlet via the Charging AC Adapter.
	Monitor is hard to	•	Adjust monitor brightness.	123
	read.	• Monitor is dirty. Clean monitor.		140
		•	Battery is exhausted.	24
		• Camera has turned off automatically to save power.		128
		•	Battery is cold.	141
	Camera turns off	• The camera turns off if it is connected to the Charging		16
	without warning.		AC Adapter while it is turned on.
		• The camera turns off if the USB cable is disconnected		81, 82, 86
			while the camera is connected to a computer or
			printer. Connect the USB cable again.
Technical	Date and time of		stamp of “00/00/0000 00:00”; movies will be dated	20, 120
		• Pictures recorded while the clock is not set (“Date not		20, 120
			set” indicator blinks during shooting) will have a time
Notes	correct.		“01/01/09 00:00.” Set the correct date and time using
	recording are not		Date in the setup menu. Set the correct date and
			Date in the setup menu. Set the correct date and
			time using Date in the setup menu.
		• Check camera clock regularly against more accurate		120
			timepieces and reset as required.
	No information	Hide info is selected for Photo info of the Monitor		123
	displayed in monitor.	settings option in the setup menu.		123
	displayed in monitor.	settings option in the setup menu.
	Date imprint not	Date has not been set.		20, 120
	available.	Date has not been set.		20, 120
	available.
	Date not appearing
	on pictures even	A shooting mode that does not support date imprint is		124
	when Date imprint is	selected.
	enabled.

148 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 S640 user manual Troubleshooting, Display, Settings and Power Supply, 148

Models: S640

Troubleshooting

Display, Settings and Power Supply

until charging has finished.

without warning.

AC Adapter while it is turned on.

Date imprint not

148

S640 specifications