Motorola MVME712B - Manual (Page 37)

Support Information
3-4 MVME712-12/-13/A/AM/B Transition Modules and LCP2 Adapter Board UserÕs Manual
3
Connector J2 Interconnect Signals (LCP2 Adapter)
Connector J2 on the LCP2 adapter is a 64-pin connector. Each pin connection,
signal mnemonic, and signal characteristic for the connector is listed in
Table
3-4 .
Table 3-4. Connector J2 Interconnect Signals (LCP2 Adapter)
Pin
Number
Signal
Mnemonic
Signal Name and Description
1 C+ COLLISION + (Input) (Ethernet) - a signal to
indicate that multiple stations are contending
for access to the transmission medium.
2 C- COLLISION - (Input) (Ethernet) - part of a
differential pair.
3 T+ TRANSMIT + (Output) (Ethernet) - this line is
intended to operate into terminated
transmission lines.
4 T- TRANSMIT - (Output) (Ethernet) - part of a
differential pair.
5 R+ RECEIVE + (Input) (Ethernet) - a data input
sourced by the MAU.
6 R- RECEIVE - (Input) (Ethernet) - part of a
differential pair.
7 PRSTB* DATA STROBE (Printer) - an active low output
pulse used to clock data from the system to the
printer.
8 +12VF +12 Vdc Power - fused on MPU board.
9 PRD00 DATA (bit 1) (Printer)
10 GND GROUND
11 PRD02 DATA (bit 2) (Printer)
12 PRD01 DATA (bit 0) (Printer)
13 PRD04 DATA (bit 3) (Printer)
14 PRD03 DATA (bit 3) (Printer)
15 PRD06 DATA (bit 4) (Printer)
16 PRD05 DATA (bit 5) (Printer)
17 GND GROUND
18 PRD07 DATA (bit 7) (Printer)
19 GND GROUND