Toshiba SX 2000 - Manual (Page 30)

1.2.5 Programmer port of RS232C
The programmer (T-PDS) is connected to this programmer port.
Connector type of CPU side is female , 9-pin D-SUB connector.
The S2T’s RS232C programmer port can accept the computer link protocol (data
read/write). This results in easy connection to a higher level computer, an operator
interface unit, etc. directly.
General specifications and the connector pin assignment of programmer port are
shown below.
For details of T-series computer link protocol, see T-series User’s manual
- Computer Link (UM-TS03***-E008).
1.2 S2T CPU Module
General specifications
Item Specifications
Interface Conforms to RS232C
Configuration One to One
Transmission distance 15m max.
Transmission speed 9600bps (fixed)
Frame format Start bit 1 bit
Data 8bit
Parity odd/none (selected by SW.3)
stop bit 1 bit
Supported command DR (Data Read)
DW (Data Write)
ST (Status read)
TS (Test text)
Pin assignment of programmer port
Signals No. of pins Symbols Direction
Transmission data 3 TXD S2T ^ Host
Receive data 2 RXD S2T ^ Host
Signal ground 5 SO S2T - Host
Request To Send 7 RTS S2T ^ Host
Clear To Send 8 CTS S2T ^ Host
NOTE
Other pins except the above table should not be connected.
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