User manual

B. Specifications
123
Connector Descriptions
Connector Function
J1 Peripheral
J2 Frontplane Interrupt
J3 AC Power Fail
J4 Parallel I/O
J5 Memory Expansion
J6 Local Bus
J7 Auxiliary Power
J8 Optional IDE
J9 Reserved
J1 (Peripheral)
J1 is a latching 80-pin (dual 40-pin) male transition connector with 0.05 inch contact
spacing. The serial ports, 1284 parallel port, and an external battery connection are
available through J1. The pin assignments are given in the "J1 Peripheral Pinout" table
following. The pin assignments enable standard D-shell termination for the serial and
1284 parallel ports. The mating connector is an AMP 104892-8 or equivalent.
J1 Peripheral Pinout
Pin Signal Type Description Pin Signal Type Description
1 COM4 DCD In Data Carrier Detect 41 AUX BAT In Auxiliary Battery
2 COM4 DSR In Data Set Ready 42 GND Out Ground
3 COM4 RXD In Receive Data 43 RSV ------ Reserved
4 COM4 RTS Out Request To Send 44 RSV ------ Reserved
5 COM4 TXD Out Transmit Data 45
RSV ------ Reserved
6 COM4 CTS In Clear To Send 46 RSV ------ Reserved
7 COM4 DTR Out Data Terminal Ready 47 /STB Out Strobe
8 COM4 RIN In Ring Indicator 48 /AFD Out Autofeed
9 GND ------ Ground 49 PD0 In/Out Data 0
10 VCC Out +5V 50 /ERR In Error
11 COM3 DCD In Data Carrier Detect 51 PD1 In/Out Data 1
12 COM3 DSR In Data Set Ready 52 /INIT Out Initialize