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| DESCRIPTION SPECIFICATIONS GeneralApplication Drawing Download the Manual How to Order |
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The Multi-Port Controller (MPC) connects to a host computer and provides multiplexing of messages from peripheral devices. Data is buffered until a terminating character is received. The message is then sent to the host, preceded by a control character and a 2-digit port identification number. The host can also select individual device ports to transmit data to while simultaneously receiving data from all device ports.
All ports are easily configured for speed, word length, parity and stop bits using menu-driven commands from the Network Management Port (NMP). In addition, the message terminate character, host control character, and XON / XOFF flow control are also user selectable. The host port may be configured to a speed different from the device ports. Each device port may be configured independently with speed, parity, etc.
The host port is usually connected to a computer and the device ports are connected to peripheral devices such a cash registers, bar code readers, digital instruments, etc.
To transmit data to a peripheral device, the host sends the control character followed by the desired 2-digit device port number. The host will remain connected to that peripheral device until a different device (port number) is selected.
The control character and port number are trapped and not sent to the peripheral device. If you wish to send the control character to the peripheral device, you must send it twice. The first control character is trapped and the second is passed through to the device port.
Data received from the peripheral devices is treated as a message (or block). The message begins when a device port receives a character from the attached device and ends when the port terminate character is received. The block is then sent to the host port using the host terminate character. The MPC automatically inserts the control character and the port number as the first three characters of each block for port identification.
The MPC functions much like the Baytech model 528AC11P programmable controller (and some others) with additional management functions.
MPC
4, 8, 16, 24 or 32 channels
All ports can be 38,400 bps
Data Format1 Start bitRates: 300, 1200, 1800, 2400, 4800, 9600, 19200, 38400 bps individually selectable per port
8 Data bits including parity if used
1 Stop bit
10 Bits total
Interface: CCITT V.24, RS-232-D (RS-422, RS-485/4 wire with adapters )
Connectors: RJ-45 (8-wire)
Buffering: 512 bytes per port
Port Flow Control: Set on an individual port basisXon/Xoff
Clear to Send
Busy High
Busy Low
Power, Activity, Line Error, Modem Ready, Option, Port 1 Setup, Loopback
Interface: CCITT V.24, RS-232-D
Connector: RJ-45 (8-wire)
Can be mapped to Port 1
Network Management Port to terminal cable included
Help Screen
Monitor Transmit
Monitor Receive
System Loopback
Set System ID
Flow Control Active
Show Configuration
Show Network
Configure Ports
Configure Host Port
Port Loopback
Device Type
Reset
Capture Port
Copy Port
Send Test Message
Activity Counters
Power requirements: 120 VAC, 30-43 Watts, .25-.36 Amps (Optional 12, 24, or 48 Vdc Power supplies available)
101/4" x 93/4" x 21/4" (8 or 16 channels)
101/4" x 93/4" x 41/2" (24 or 32 channels)
Temperature: Operating Temperature: -40 to +70C
| MPC-04 | 4 Port MPC | $ 695 |
| MPC-08 | 8 Port MPC | $ 1,195 |
| MPC-16 | 16 Port MPC | $ 2,295 |
| MPC-24 | 24 Port MPC | $ 3,495 |
| MPC-32 | 32 Port MPC | $ 4,695 |
| RK-8/16 | Rack mount for 4/8/16 port unit | $ 49 |
| RK-24/32 | Rack mount for 24/32 port unit | $ 59 |
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