(No.RA033<Rev.001>)1-9
2.5.2 Adding the RSSI or Reset Terminal on the D-sub 25-pin Connector
The configuration for pin 1 of the D-Sub 25-pin connector can be changed to allow it to supply the power source for RSSI.
Follow the procedure shown below to change the configuration.
Case 1: Add the RSSI.
(1) Remove the Control board.
(2) Join the semi-circular soldering pads by soldering.
Case 2: Add the Reset.
(1) Remove the Control board.
(2) Mount the part (part number: RK73GB2A000J) on R574 of the Control board.
2.5.3 Changing D-sub 25-pin connector (4pin,5pin) configuration
The AUX Input Port (pins 4 and 5) on the D-Sub 25-pin connector can be used as the CTS port and RTS port.
Follow the procedure shown below to change the configuration.
(1) Remove the Control board.
(2) Remove the R550 chip jumpers and solder to R552.
(3) Remove the R551 chip jumpers and solder to R553.
R574
TL340
TL340
TL341
TL341
TL340
TL341
Connector
Pin Number
Signal name
Installing
RK73GB2A000J
NOTE
4
AI1
R550
Default
CTS
R552
RS-232C
5
AI2
R551
Default
RTS
R553
RS-232C
R552
R553