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

Part: 5103S   Model: ACB-232.LPCI

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The 5103S PCI serial interface provides one RS-232 synchronous serial port capable of data rates to 128K bps. The board implements all modem control signals and is Universal Bus (3.3V and 5V) compatible.

The 5103S ships with the standard size PCI bracket to allow installation in a full-size PCI slot. If you have a Low Profile PCI slot order the 5103.

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.


Additional information

Communications Chip

85230-8 ESCC

Communications Controller


Electrical Interface


Humidity Range

10 – 90% Relative Humidity, Non-Condensing

Host Interface(s)


Max Data Distance

50 feet

Max Data Rate

128K bps

Operating Temperature

0°C to 70°C (32°F to 158°F)

PC Bracket

Standard Height

# of Ports


Serial Connector(s)


Storage Temperature

-50°C to 105°C (-58°F to 221°F)

• Z85230 Enhanced Serial Communications Controller (ESCC)
• Data rates to 128K bps
• Universal Bus (3.3V and 5V) compatible
• All modem control signals implemented
• DB-25M connector


Datasheet: 5103S


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