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CB-108 Series

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8-port RS-232 PC/104-Plus modules

Product Feature

  • 921.6 kbps maximum baudrate for fast data transmission
  • On-chip hardware and software flow control
  • Onboard Tx and Rx LED indicators for each port
  • Supports Windows, Windows CE 5.0/6.0, and Windows XP Embedded operating systems
  • Wide-temperature model available for -40 to 85°C environments
  • Easy maintenance with built-in LEDs and management software

The CB-108 PC/104-Plus modules come with 8 RS-232 ports, and can be used with PC/104-Plus CPU boards that accept the PC/104-Plus expansion interface. Optional DB9 and DB25 connection cables are available for connecting to serial devices, and versatile driver support makes the modules suitable for a wide range of applications. The CB-108 modules can be used on the PC/104-Plus (PCI) bus, and provide a reliable, high-performance solution for multiport serial communication.

Serial Interface

Comm. Controller16C550C or compatible x 4
BusPC/104 plus bus
Connector40-pin box header
DIP SwitchesSerial interface
IRQAssigned by BIOS
I/O AddressAssigned by BIOS
FIFO128 bytes
Max. No. of Boards per PC8
No. of Ports8
Serial StandardsRS-232
Baudrate50 bps to 921.6 kbps
Data Bits5, 6, 7, 8
Stop Bits1, 1.5, 2
ParityNone, Even, Odd, Space, Mark
Flow ControlNone, RTS/CTS, XON/XOFF

Serial Signals

RS-232TxD, RxD, RTS, CTS, DTR, DSR, DCD, GND

Power Parameters

Input Current153 mA @ 5 VDC
Input Voltage5 VDC

Physical Characteristics

Dimensions90 x 96 mm (3.54 x 3.78 in)

LED Interface

LED IndicatorsBuilt-in Tx, Rx LEDs for each port

Environmental Limits

Operating TemperatureCB-108: 0 to 55°C (32 to 131°F)
CB-108-T: -40 to 85°C (-40 to 185°F)
Storage Temperature (package included)-40 to 85°C (-40 to 185°F)
Ambient Relative Humidity5 to 95% (non-condensing)

Standards and Certifications

EMCEN 55032/24
EMICISPR 32, FCC Part 15B Class A
EMSIEC 61000-4-2 ESD: Contact: 4 kV; Air: 8 kV
IEC 61000-4-3 RS: 80 MHz to 1 GHz: 3 V/m
IEC 61000-4-4 EFT: Power: 2 kV; Signal: 1 kV
IEC 61000-4-5 Surge: Power: 0.5 kV
IEC 61000-4-6 CS: 150 kHz to 80 MHz: 3 V/m; Signal: 3 V/m
IEC 61000-4-8 PFMF
Environmental TestingIEC 60068-2-1
IEC 60068-2-2
IEC 60068-2-3
IEC 60068-2-14
SafetyEN 60950-1, UL 60950-1
VibrationIEC 60068-2-6

MTBF

Time403,631 hrs
StandardsTelcordia (Bellcore), GB

Warranty

Warranty Period5 years
DetailsSee www.moxa.com/warranty
Name Type Version Release Date
CB-108 Series Datasheet 1.0 15 March 2021

CB-108

Serial Bus PC/104-Plus
Serial Standards RS-232
No. of Serial Ports 8
Operating Temp. 0 to 55°C

CB-108-T

Serial Bus PC/104-Plus
Serial Standards RS-232
No. of Serial Ports 8
Operating Temp. -40 to 85°C

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