Drop-in TCP/IP interface for
existing RS-232-controlled equipment.
PC/104 form-factor with
stack-through connector. Can also function stand alone.
Painless TCP/IP capability for new
systems. Leverage existing in-house RS-232 expertise into
network compatible products.
Uses standard TCP/IP socket
interface protocols or TELNET.
Self-contained – No software
license headaches for TCP/IP libraries or real-time
kernels.
Worry-free – No need to
determine how TCP/IP overhead affects your system.
Isolates your system from network traffic loading and
processing.
A "reset out" signal can
reset embedded hardware under TCP-232A control.
10Base-T connector for connections
to twisted pair networks.
AUI connector accepts transceivers
for thin-net, thick-net and fiber-based networks.
RS-232 Port
The RS-232 port supports
asynchronous data rates of 1200, 2400, 9600, and 19,200 baud.
Data format is always 8 bit, no parity, with one stop bit. The
TCP-232A provides four handshake and status signals:
Data Carrier Detect
(output) indicates when a socket connection is active
Data Set Ready (output)
indicates that the TCP-232A can accept data (flow
control)
Data Terminal Ready
(input) indicates to the TCP-232A that the connected
equipment can accept data (flow control)
Ring Indicator (output)
currently driven inactive.
The handshake signals can be
connected directly to the like-named signals of an IBM-PC’s
serial port.
Ethernet Port
The Ethernet port supports TCP
socket services for a single socket. The TCP-232A will reject
requests for more than one simultaneous connection. The TCP-232A
also supports ARP (Address Resolution Protocol) and all ICMP
messages (Internet Control Message Protocol, includes PING). Four
LEDs show network activity (Tx and Rx), collision detect and link
good (for 10Base-T).
Configuration
The TCP-232A has an 8 position
DIP switch that controls the following: Baud rate, Handshake
enable, Handshake type (hardware or XON/XOFF), remote reset
output enable, Ethernet interface select (10Base-T or AUI), and
TCP setup enable. With TCP setup enabled, the serial port can be
used to set the various TCP operating parameters, including IP
address and TCP socket number. These TCP parameters are stored in
NVRAM.
Power
+5V DC ±5% at 240mA
nominal, 500mA maximum.
+12V DC optional, for
attached AUI transceiver.
Connectors
Ethernet: RJ-45
10Base-T twisted-pair interface and DB-15 female AUI
interface (optionally replaced by 4-pin MOLEX and 16-pin
header, respectively, for remotely located connectors).
RS-232: 10-pin
header for ribbon cable to DB-9 female which mates
directly with an IBM-AT serial port. The 10-pin header
also connects directly to any AMPRO PC/104 processor
board.
PC/104: Optional
8-bit "stackthrough" or 8-bit
"non-stackthrough" connector. The TCP-232A uses
this connector for power connections only (+5V and +12V).
System: 14-pin
header for power, remote reset output and Ethernet status
LED outputs (paralleled with on-board status LEDs). Power
can be supplied from the system header for stand-alone
operation or from the PC/104 stackthrough connector.
Mechanical
PC/104 form factor: 3.775
inches by 3.550 inches with four mounting holes and optional
8-bit stackthrough PC/104 bus connector.
Environmental
The TCP-232A is designed to be
integrated into the customer’s equipment. Operating
temperature range should be maintained between 0 degrees Celsius
and 70 degrees Celsius, non-condensing.
TCP-232 and TCP-232A are
trademarks of Practical Micro Design, Inc. AMPRO is a registered
trademark of AMPRO Computers, Inc. PC/104 is a trademark of the
PC/104 Consortium.
TCP-232