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Products   >   I/O Expansion Modules   >   Communications Modules

Small Form Factor Communications Modules

Diamond's line of rugged, wide-temperature Communications Modules feature standard and optoisolated RS-232/422/485 serial interfaces, Ethernet, CAN bus, GPS, and digital I/O functions. We have modules available in the following form factors: PC/104, PC/104-Plus, EMX and PCIe MiniCard.

Click below for details on our small form factor communications modules:

 
PC/104
Emerald-MM-8P 8-Port Serial Module

8-port Programmable PC/104 Serial Port Module
Emerald-MM-4M 4-Port Serial Module

4 RS-232/422/485 ports, extensive address/interrupt configurations, extended temperature
Emerald-MM-Opto 4-Port Opto Serial Module

Quad Opto-Isolated RS-232/422/485 Port PC/104 Module with DIO
PC/104-Plus
Emerald-MM-8PLUS 8-Port Serial Module

High Performance PC/104-Plus 8 Port RS-232/422/485 Serial I/O Module
Janus-MM-LP Dual or Quad CAN Module

Dual or Quad CAN Port Module with 16 DIO
Mercator II LAN & DIO Module

PC/104-Plus I/O Expansion Module with Quad Ethernet and Digital I/O
PCI/104-Express
Emerald-MM-8EL 4- or 8-Port Serial Module

High Performance PCI/104-Express 4- or 8-Port RS-232/422/485 Serial I/O Module with Opto-isolation
PCIe MiniCard
DS-MPE-SER4M Quad Serial MiniCard

4-Port High Speed Serial PCIe MiniCard Module
DS-MPE-SER4OPT Opto Serial Module

4-Port Opto-Isolated Serial PCIe MiniCard Module
DS-MPE-GE210 Gigabit Ethernet MiniCard

Gigabit Ethernet PCIe MiniCard Module
DS-MPE-CAN2L CANbus MiniCard

Dual CANbus 2.0 PCIe MiniCard Module

  > >  See our Serial Port Modules feature comparison chart  < <



Other Expansion Modules

Diamond's product line also includes the following expansion module families:

top
Comparison of Serial Port Modules

Serial Ports Miscellaneous
Product Form Factor RS-232 RS-422 RS-485 Max Prot Cfg Addr Cfg Digital I/O XT
PCI/104-Express 4 or 8 4 or 8 4 or 8 10Mbps Software Software 8 I/O Yes
PC/104 4 4 4 115.2K Jumper Jumper   Yes
PC/104 8 8 8 460.8K Software Software 8 I/O Yes
PC/104 4 4 4 230.4K Jumper Jumper 24 I/O Yes
PC/104-Plus 8 8 8 1.832M Jumper Software 8 I/O Yes
EMX 6 4 4 921.6K Jumper Jumper 14 I/O Yes
EMX 6 4 4 921.6K Jumper Jumper 14 I/O Yes
PCIe MiniCard 4 4 4 10Mbps Software
or Jumper
Software
or Jumper
Yes

Headings

Max Max baud rate
Prot Cfg Protocol config
Addr Cfg Address config
XT -40ºC to +85ºC
*EMM-OPTO-XT has 4 individually opto-isolated serial ports