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PhoneHub Technical Specification

Specification

	RISC Processor
	128KB Flash
	4MB DRAM memory
	512KB SRAM
	UART with limited modem control
	Power on LED, LED flashes when receiving images
	Internal Modem
	DAA telephone connection, used with MODEM out to the phone line
	Composite Video Decoder, Video Decoder See Rockwell specifications for BT829A
	Power is through an AC adapter 5 VDC, up to 1.5 A
	The unit has two 6 position phone jacks and four 8 position phone jacks
	1, 6 position phone jack is used for a Direct line.
	1, 6 position phone jack is used for a Modem
	4, 8 position phone jacks is used for cameras or camera expansion unit
	A push button switch is used for factory password default

8 position phone jack pin out description

	1 CV+
	2 Power Ground
	3 +5 VDC
	4 special function
	5 Ground if camera expansion unit. Pull up resistor on hub
	6,7,8 1:8 multiplex selector for camera

Camera connection adapter

	Pin 1 of eight position phone jack to pin 1 (conductor) of COAX cable
	Pin 2 of eight position phone jack to pin 2 (Shield) of COAX cable

The PhoneHub is a 4 port Hub. Each Port consists of an 8 position jack. A camera or expansion unit can be plugged into each port. The main hub will support up to 4 cameras or 4 camera expansion units or any combination of the two. Each camera expansion unit supports up to 8 cameras. Therefore with 4 camera expansion units the hub will support up to 32 cameras.

An inexpensive CMOS camera can be purchased with the PhoneHub. However, the PhoneHub will support a range of Composite Video Cameras (NTSC or PAL Composite Video cameras). The PhoneHub consists of an embedded processor, memory, modem for a phone connection, and direct connection.The PhoneHub will auto answer and connect the user when a password is validated. The unit can be set back to the factory default password by powering up the unit with the push button switch held in.

The PhoneHub is in an attractive enclosure that can be mounted on a wall or placed on a table. The PhoneHub gets power through an AC adapter that is plugged into a wall outlet and through a jack to the PhoneHub. Wiring is simple. The PhoneHub plugs into a phone line using standard phone cable.

An 8 position cable (similar to phone cable) will plug between the PhoneHub and camera or expansion box. If a camera requires a BNC type connector, an adapter can be purchased. PhoneHub the software application package will enable the user to dial out and control the PhoneHub. PhoneHub is a windows application program on the PC (Personal Computer). The Program will run under Windows 95/98 2000 or NT 4.0 up to SP6.

The Program will allow the user to connect to the modem, name the cameras, select the cameras, scan all cameras, update images and set picture quality. When using a PC, images can be saved and printed.The PhoneHub can be used world wide.

PhoneHub software application specification

The software application runs under Windows 95/98 2000 or NT 4.0. When PhoneHub is executed a window will come up with a dial up networking screen, under windows. At that point you may dial up the PhoneHub. If a connection cannot be made, an error message will be displayed. Once a connection is made a picture screen will come up.

The window bar is the same as all windows applications. Help is selected through the window bar. The picture image is displayed under the window bar. Under the picture image will be the camera name and 32 numbers to select individual pictures. A pull down on the window bar is used to select the following:

	Next Camera Update Image (Delay in seconds with default set to 0)
	Cancel to stop updating.
	Scan all cameras. (Delay in seconds with default set to 0)
	Cancel to stop updating.
	Picture quality (Default set to 36, Range 1-75)

The numbers will be highlighted in BLACK if an image is available, and gray if not.The Picture quality defaults to #36, the better the quality the longer it takes to bring it in. Camera names can be assigned by selecting the number in black. The image will come up on the screen and a name, if one is already assigned. Otherwise, a name can be keyed into the box that says selected camera name, or the name in the box can be changed by keying in a new name. Help from the window bar can be used to display the names of the cameras.

To select another camera, the user can hit the number box in black or next camera. When a camera is selected, an arrow will point to the camera selected. To continuously update a single image, the user will hit the update image box and the image selected as shown by the arrow will continuously be updated. If the user hits the scan all cameras box, the images will be displayed through all cameras connected with several seconds in between image displays. The user may select a still image using the individual selection and save the image through file save on the window bar. The user exits the application using file exit or the close box. Camera availability will be determined by a timer. If the image does not get into memory within a designated period of time, it will be determined that a problem exists with that camera or it is not available.