J3 And J4 Connectors; Table 3-5. Connectors J3 And J4 Interconnect Signals - Motorola MVME712M Installation And Use Manual

Interconnect Signals
Table 3-4. Connector J2 Interconnect Signals (Continued)
Pin Number
3
C26
C27-C30
C31
C32

J3 and J4 Connectors

Table 3-5. Connectors J3 and J4 Interconnect Signals

Pin Number
1
2
3
4
5
6
3-14
Signal
Mnemonic
DTR4 DATA TERMINAL READY (Serial Port 4) - a signal
from the terminal to the modem indicating that the
terminal is ready to send or receive data.
GND GROUND
CTS2 CLEAR TO SEND (Serial Port 2) - CTS is a function
supplied to the terminal by the modem, and indicates
that it is permissible to begin transmission of a message.
When using a modem, CTS follows the off-to-on
transition of RTS after a time delay.
DCD2 DATA CARRIER DETECT (Serial Port 2) - sent by the
modem to the terminal to indicate that a valid carrier is
being received.
Connectors J3 and J4 on the MVME712M module and connector J3
on the P2 adapter board are 50-pin connectors that are the same pin-
for-pin. Each pin connection, signal mnemonic, and signal
characteristic for these connectors is listed in Table 3-5.
Signal
Mnemonic
GND GROUND
DB00* DATA bus (bit 0) - least significant bit and the lowest
priority during the arbitration phase.
GND GROUND
DB01* DATA bus (bit 1)
GND GROUND
DB02* DATA bus (bit 2)
Signal Name and Description
Signal Name and Description