Signal Inputs/Outputs; Switch Setting - Sony BKSI-2440 Series Installation Manual

1-6-3. Signal Inputs/Outputs

Input and output signals of the connectors on the connector
panel are shown below.
RS232C/422A 1, 2, 3, 4, 5, 6 : D-sub 9-pin (Female)
5 1
6
9
<External View>
Pin No.
RS-232C
1 NC
2 RXD I
3 TXD O
4 DTR O
5 GND
6 DSR I
7 RTS O
8 CTS I
9 NC
BKSI-2440
Signal
RS-422A (M) RS-422A (S)
FRAME GND FRAME GND
RX– TX–
TX+ RX+
GND GND
NC NC
GND GND
RX+ TX+
TX– RX–
NC NC

1-6-4. Switch Setting

IO-111 board
COR1 COR2 COR3 COR4
• COR (Slide switch)
COR1, COR2, COR3, COR4, COR5, COR6
:RS-422A signal termination switches
The COR1 to COR6 correspond to the RS-232C/422A
connectors (D-sub 9-pin) 1 to 6 respectively.
Switch setting to each connector individually is possible.
ON
ON : 100 Ω termination (Factory setting)
OFF
ON
OFF : 10 kΩ termination
OFF
COR5 COR6
1-13 (E)