35
Block Item Specification Remark
Protocol RS-422 Max. length 1
Km
Synchronization Start/Stop bit Same
specification as
I/F to DT-930.
Method Half duplex
Data bit : 8
Stop bit : 1
Data format
Parity bit : none
Fixed
Baud rate (bps) 9600, 38.4K, 115.2K Bit
switch/Setting
of IrCOMM
I/F level ±2 to 5 V (differential voltage) Logic level
Mark: high
Space: low
6 wired-modular connector
OUT IN
No. 1 RSO+ No. 1 RSI+
No. 2 RSO- No. 2 RSI-
No. 3 SDO+ No. 3 SDI+
No. 4 SDO- No. 4 SDI-
No. 5 RDI+ No. 5 RDO+
Connector
No. 6 RDI- No. 6 RDO-
6-wire modular
connector
Chain
I/F
Usage (example) Basic Cradle
Switch no. 1 2
38.4 Kbps OFF OFF
115.2 Kbps ON OFF
No setting OFF ON
Host PC I/F baud
rate setting
Setting prohibited ON ON
Switch 3 4
Active host connect. OFF OFF
Passive chain connect. ON OFF
Through download OFF ON
Communication
mode switchover
Setting prohibited ON ON
Switch no. 5
In between OFF
Termination
At the end ON
Switch no. 6 7 8
2400 bps OFF OFF OFF
4800 bps ON OFF OFF
9600 bps OFF ON OFF
19.2 Kbps ON ON OFF
38.4 Kbps OFF OFF ON
57.6 Kbps ON OFF ON
115.2 Kbps OFF ON ON
Switch DIP
Switch
Host PC I/F baud
rate setting
Test mode ON ON ON
Continue.
６ ５ ４ ３ ２ １
OUT
RDI-
RDI+
SDO-
SDO+
RSO-
RSO+
RDO-
RDO+
SDI-
SDI+
RSI-
IN
６ ５ ４ ３ ２
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