mercator0 pages
MERCATOR
PC/104‐Plus Expansion Module with Ethernet and Digital I/O
• 2 PCI‐based 10/100Mbps Ethernet Ports
• NS DP83815 Mac+Phy chips 8 digital inputs and 8 digital
outputs
• 24 digital I/O using 82C55 on ISA bus
• Latching pin headers and RJ‐45 jacks
• Dimensions: 3.55" x 3.775"
• Operating temperature: ‐40°C to +85°C
DESCRIPTION
SPECIFICATIONS
The Mercator PC/104 module integrates 2 PCI‐based
10/100 Ethernet ports with 24 user‐configurable digital
I/O lines in the compact and rugged PC/104 format. This
2‐in‐1 combination of Ethernet and digital I/O can help
lower the size and cost of your embedded system by
eliminating one additional board from your PC/104 stack.
General
No. of controllers
Protocol
Maximum baud rate
I/O headers
The Ethernet ports utilize the National Semiconductor
DP83815 Mac + Phy PCI controller chip and are NE2000
compatible.
Mating cables
The 24 digital I/O lines are based on an 82C55 chip and
feature programmable direction in 4‐ and 8‐bit groups. All
I/O lines contain user‐configurable 10K Ohm pull‐up
resistors for convenience.
Extended temperature capability (‐40 to +85ºC) enables
the board to operate in environments with extreme
temperature swings, such as vehicles or outdoor
installations. In addition, the board may be custom‐
configured with 0‐ohm resistors in place of jumper blocks
for increased ruggedness in high‐vibration environments.
Diamond Systems offers appropriate mating cables for
your convenience. Cable no. C‐PRZ‐02 provides a panel
mountable RJ‐45 connector for the Ethernet, and cable
no. C‐26‐18 is a 26‐conductor ribbon cable for the digital
I/O.
Dimensions
Power supply
Operating temp.
Operating humidity
PC/104‐plus bus
Digital I/O
No. of I/O lines
Direction
Input Voltage
Output Voltage
Output current
Pull‐up resistors
www.diamondsystems.com
1 (MRC‐100) or 2 (MRC‐224)
IEEE 802.3 10Base‐T & 100Base‐TX
compatible
100Mbps
Ethernet ports: RJ‐45 female sockets
and 6‐pin straight male headers
Digital I/O: 26‐pin (2x13) .025”
square pin header on .1” centers
Ethernet ports: RJ‐45 sockets:
Standard CAT5 cable Pin headers:
Diamond Systems cable no. C‐PRZ‐02
Digital I/O: Diamond Systems cable
no. C‐26‐18
3.55” x 3.775” (PC/104 standard)
+5VDC ±10%
‐40°C to +85°C
5% to 95% noncondensing
Both PC/104 and PC/104+
stackthrough headers installed.
24
Programmable
Low ‐0.5V min, 0.8V max
High 2.0V min, 5.5V max
Low 0.0V min, 0.4V max
High 3.0V min, Vcc ‐ 0.4V max
±2.5mA max, each line
10K all lines, selectable w. jumper