Owner`s manual

APPENDIX A
SERIAL, PARALLEL, UPS AND
ETHERNET CONNECTOR
CONFIGURATIONS
The types and number of connectors found on the rear panel of your Eagle computer will vary,
depending on the hardware configuration you order.
SERIAL I/O CONNECTORS
The Eagle 100’s main electronics board, the AM-137, includes four or eight on-board
RS-232 serial ports. All on-board ports interface to standard DB-9 connectors and use
the AM318.IDV interface driver starting at octal port #0.
The Eagle 100 CPU has a connector to accomodate one expansion I/O board. The
expansion I/O board can be either an AM-314 four-port board, or an AM-318 eight-port
board. The functional characteristics of the expansion I/O boards is detailed below.
Eagle 300-500 computers have no on-board serial I/O ports, but have connectors to
accomodate up to four I/O expansion boards. These systems boot via the first installed
I/O expansion board, which can be either the AM-314 or AM-318 board. The two
expansion I/O boards can be mixed to meet your system requirements. The functional
characteristics of the I/O expansion boards are as follows:
AM-314 serial I/O boards have four serial ports and support both RS-232
and RS-422 protocols. The AM-314 uses the AM314.IDV interface driver
and standard female DB-9 connectors, which are attached to the rear
panel of your computer.
AM-318 serial I/O boards have eight serial ports and support RS-232 only.
The AM-318 uses the AM318.IDV interface driver and an RJ-21 50-pin
Telco connector. The Telco connector, as it appears on the rear panel, is
identical to the connector used for connecting external SCSI devices to the
Eagle computer. The RJ-21 serial I/O port locations are clearly labeled on
the system rear panel to avoid confusion, and are shown on the rear panel
illustrations in chapter 2 of this manual.
Eagle Series Computer Owner’s Manual, Rev. 03