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

Part: 5103   Model: ACB-232.LPCI

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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.


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 (burst)

Operating Temperature

0°C to 70°C (32°F to 158°F)

PC Bracket

Low Profile

# 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
• MD1 Low Profile and Universal Bus (3.3V and 5V) compatible
• All modem control signals implemented
• DB-25M connector


Datasheet: 5103


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