Our wide selection of industrial-grade PC/104 and PC/104-Plus serial boards are a popular choice for embedded applications that require connections to multiple serial devices with high data throughput.

PC/104-Plus bus, 4-port RS-422/485 module with 2 kV optical isolation, 0 to 55°C operating temperature

Serial Interface
– Comm. Controller 16C550C or compatible x 4
– Bus PC/104 plus bus
– Connector 40-pin box header
– DIP Switches Serial interface
– Max. No. of Boards per PC 8
– IRQ Assigned by BIOS
– I/O Address Assigned by BIOS
– FIFO 128 bytes
– No. of Ports 4
– Serial Standards RS-422, RS-485
– Baudrate 50 bps to 921.6 kbps (supports non-standard baudrates)
– Data Bits 5, 6, 7, 8
– Stop Bits 1, 1.5, 2
– Parity None, Even, Odd, Space, Mark
– Flow Control None, XON/XOFF

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

Serial Software Features
– Windows Drivers DOS, Windows 95/98/ME/NT/2000, Windows XP/2003/Vista/2008/7/8/8.1/10 (x86/x64), Windows 2008 R2/2012/2012 R2/2016/2019 (x64), Windows Embedded CE 5.0/6.0, Windows XP Embedded
– Linux Drivers Linux kernel 2.4.x, Linux kernel 2.6.x, Linux kernel 3.x
– UNIX Drivers QNX 6, Solaris 10, UnixWare 7

Power Parameters
– Input Current 153 mA @ 5 VDC
– Input Voltage 5 VDC

Physical Characteristics
– Dimensions 90 x 96 mm (3.54 x 3.78 in)

LED Interface
– LED Indicators Built-in Tx, Rx LEDs for each port

Environmental Limits
– Operating Temperature 0 to 55°C (32 to 131°F)
– Storage Temperature (package included) -40 to 85°C (-40 to 185°F)
– Ambient Relative Humidity 5 to 95% (non-condensing)

Standards and Certifications
– EMC EN 55032/24, EN 61000-6-2/-6-4
– EMI CISPR 32, FCC Part 15B Class A
– EMS
IEC 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 Testing
IEC 60068-2-1
IEC 60068-2-2
IEC 60068-2-3
IEC 60068-2-14
– Vibration IEC 60068-2-6

Declaration
– Green Product RoHS, CRoHS, WEEE

MTBF
– Time 403,631 hrs
– Standards Telcordia (Bellcore), GB