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Chapter 2: Page Smart Switch Only Mode Thus the command sequence would look like: Char3 would only be sent if the BSS4 was set up for a four character command. Page 13 The Slave port B&B 232BSS4 is sending B&B 232BSS4 the Master is not affected.

Automatic Serial Data Collections - B&B Electronics

The lowest four bits of the control byte tell the BSS4 which ports should receive the following data. Page 14 Slave port buffers before it is sent to the Master. Page 15 B&B 232BSS4 or 79 Note: The BSS4 ignores the upper 4 bits of the control byte. If the Master device is incapable of sending characters outside the printable ASCII range, decimal 64 can be added to each of the control B&B 232BSS4 and the switch will operate properly.

Page 16 Note that these procedures are not needed if the binary file will B&B 232BSS4 transferred from the Slave devices to the Master device. No switching commands are used in the BSS4 with data from this direction, so no inadvertent switching can occur.

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This option is enabled through the setup software. This method is useful if the length of the binary file transfers are not known. The Port Time and Inactivity Time tell the BSS4 how much time to spend on each port, and how long a port must be inactive before switching to the next port. Page 19 When the specified Port Time has elapsed, the BSS4 checks in sequence B&B 232BSS4 other Slave ports with buffered data and switches to them.

If no other Slave ports need access to the Master, the current Slave port will B&B 232BSS4 be connected until another Port Time has elapsed. Set up the ports on the BSS4 to match the data format of the connected devices. If the Slave devices stream data, the Master port should be set to a higher baud rate than the slaves. Note that in Back to Back operation the BSS4 Master ports will normally be connected to either the Master port of another switch or some type of modem. Cascading Multiple Switches If you have more than four devices that are sending data, more than one BSS4 can be cascaded, allowing more ports to be added.


B&B 232BSS4 The BSS4 buffers data from all ports at once, making it well suited for devices that will send a fixed amount of data at sporadic intervals, such as measurement instruments, security access card readers, barcode scanners, or time clocks. Page 23 PC should be written to recognize this preamble as an address or identifier of the data source. Chapter 3: Port Connections Chapter 3: There is also a practical limit on resources available inside the PC to allocate to Serial Ports.

Multiple devices can be tied together by converting the signal at each point to a multi-drop bus, B&B 232BSS4 RS This allows up to 32 devices on a single network without repeaters. The devices can also be connected up to feet away from the PC.

B&B Buffered Smart Switch 232BSS4 - switch - 4 ports Specs

The B&B 232BSS4 is that each device must have its own unique address. Also, some protocol needs to be established to prevent more than one device at B&B 232BSS4 time from sending data to the PC. Usually this is done by having the PC poll each device individually.

This does not lend itself well to devices that send their data automatically, without being requested. BSS4. 4-Port Buffered Serial Smart B&B 232BSS4. 4-Port Buffered Serial Smart Switch. Communicate with four devices from one serial port; 8 KB Transmit and.


B&B Electronics B&B 232BSS4 Co Inc – Dayton Rd - PO Box - Ottawa IL - Ph. The BSS4 provides communications to four devices from one serial.

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