EV6240 Datasheet, PDF (6/47 Pages) CML Microcircuits – Opto-Isolated serial interface capability

Evaluation Kit for CMX624/CMX644A
1.4 Signal Lists
CONNECTOR PINOUT
Connector Connector
Ref.
Pin No.
Signal
Name
J1
1
V_IN
2
V_SS
J2
1
DCD
2
TXD
3
RXD
4
DTR
5
V_SS2
6
DSR
7
RTS
8
CTS
9
-
J3
1,2
-
3
A
4
B
5,6
-
J4
1
-
2
TXA
3
TXB
4
RXA
5
RXB
6
-
J5
1,2
-
3
A
4
B
5,6
-
J6
1
-
2
TXA
3
TXB
4
RXA
5
RXB
6
-
EV6240
Signal
Type
Power
Power
Output
Output
Input
Input
Power
Output
Input
Output
-
-
BI
BI
-
-
Output
Output
Input
Input
-
-
BI
BI
-
-
Output
Output
Input
Input
-
Description
+ve power from external power supply.
0V power from external power supply.
Linked to DTR.
Connection to PC Receive Data Line (RD).
Connection to PC Transmit Data Line (TD).
Connection to PC Data Terminal Ready (DTR).
Connection to PC 0V common.
Linked to DTR.
Connection to PC Request To Send. (RTS)
Connection to PC Clear To Send (CTS).
Not used. No connection needed.
MODEM 1 Not used. No connection needed.
MODEM 1 Bidirectional 2-wire line (A=TIP)
MODEM 1 Bidirectional 2-wire line (B=RING)
MODEM 1 Not used. No connection needed.
MODEM 1 Not used. No connection needed.
MODEM 1 4-wire line Tx output A.
MODEM 1 4-wire line Tx output B.
MODEM 1 4-wire line Rx input A.
MODEM 1 4-wire line Rx input B.
MODEM 1 Not used. No connection needed.
MODEM 2 Not used. No connection needed.
MODEM 2 Bidirectional 2-wire line (A=TIP)
MODEM 2 Bidirectional 2-wire line (B=RING)
MODEM 2 Not used. No connection needed.
MODEM 2 Not used. No connection needed.
MODEM 2 4-wire line Tx output A.
MODEM 2 4-wire line Tx output B.
MODEM 2 4-wire line Rx input A.
MODEM 2 4-wire line Rx input B.
MODEM 2 Not used. No connection needed.
6
© 1999 Consumer Microcircuits Limited
UM6240/3