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Part# 5103


Low Profile PCI 1-Port RS-232 Synchronous Serial Interface (uses Z85230)


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The 5103 Low Profile PCI serial interface provides one RS-232 synchronous serial port capable of data rates to 128K bps. The board utilizes a Z85230 Enhanced Serial Communications Controller (ESCC). The 5103 implements all modem control signals and is MD1 Low Profile and Universal Bus (3.3V and 5V) compatible.

The 5103 is for use in Low Profile PCI slots only. If you have a standard size PCI slot order the 5103S.

Software support, critical for successful synchronous communication development, is provided through Sealevel's SeaMAC synchronous serial driver. HDLC/SDLC protocols are supported as well as certain configurations of Monosync, Bi-sync and Raw modes.
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Host Interface(s) PCI
# of Ports 1
Electrical Interface RS-232
Communications Controller Z85230
Serial Connector(s) DB25M
PC Bracket Low Profile
Communications Chip 85230-8 ESCC
Max Data Rate 128K bps (burst)
Max Data Distance 50 feet
Operating Temperature 0 - +70C
Storage Temperature -50 - +105C
Humidity Range 10 - 90% Relative Humidity, Non-Condensing
• Z85230 Enhanced Serial Communications Controller (ESCC)
• Data rates to 128K bps
• MD1 Low Profile and Universal Bus (3.3V and 5V) compatible
• All modem control signals implemented
• DB-25M connector

Terminal Block
Terminal Block


Terminal Block Kit
Terminal Block Kit


DB25 Serial Cable
DB25 Serial Cable


Proudly Made in the USA
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