Delta Tau MACRO CPU BOARD 4Ax-602804-xHxx - Manual (Page 28)

MACRO-CPU Hardware Reference
J7: (JRS232) Serial Port Connector
(10-pin Header at Location C-1) Front View
Pin # Symbol Function Description Notes
1 N.C. No connection
2 DTR BIDIRECT Data Terminal Ready Just tied to “DSR”
3 TXD/ OUTPUT Send Data Transmit data to host
4 CTS INPUT Clear to Send Host Ready bit
5 RXD/ INPUT Receive Data Receive data from host
6 RTS OUTPUT Request to Send PMAC Ready bit
7 DSR BIDIRECT Data Set Ready Just tied to “DTR”
8 N.C. OUTPUT No Connection
9 GND COMMON PMAC Common
10 +5V OUTPUT +5VDC Supply Power supply out
+5V
GND
+5V
TXD- TXD
CTS
RXD- RXD
RTS
CTS-
J7
HEADER 10
1
2
3
4
5
6
7
8
9
10
C16
.1UF
C17
.1UF
C18
.1UF
C14
.1UF
C15
.1UF
U5
MAX202ECSE
(SOL16)
2
1
3
11
12
10
9
16
6
4
5
14
13
7
8
15
+V
C1+
C1-
TXD
RXD
RTS
CTS
VCC V-
C2+
C2-
TXD
RXD
RTS
CTS
VSS
GND
TXD-
RXD-
CTS
RTS
DSR
DTR
(JRS232)
N.C.
N.C.
+5V
J7
Circuitry for J7- JRS232 Interface
3U MACRO-CPU Board Connector Pin-outs 24