Serial Port 3 Dce Configuration -- J13 And J14; Figure 2-6. Serial Port 3 Configured As Dce - Motorola MVME712M Installation And Use Manual

Preparing and Installing the Hardware
Serial Port 3 DCE Configuration -- J13 and J14
2
1
MVME xxxx Processor VMEmodule
SCC
TXD
DTR*
RTS*
TRXC*
RTXC*
RXD
DCD*
CTS*
2-8
To configure Port 3 for DCE (modem to terminal) operation, install
jumpers on header J13 and remove jumpers from header J14 as
shown below. The schematic representation of this configuration is
shown in Figure 2-6.
J13
3 5 7 9 11 13
Driver/Receiver Gates
MC145406 or equivalent
D
D
D
NC
NC
R
R
R
Figure 2-6. Serial Port 3 Configured as DCE
1 3 5
P2 64 PIN
ADAPTER CABLE
BOARD
J14
7 9 11 13
MVME712M
TRANSITION
BOARD
DB25
RXD
3
DCD
8
CTS
5
1.5K
DSR
+12V
6
GND
7
TXD
2
DTR
20
RTS
4
cb216 9212A