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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-8PL-XT

8-port RS-232/422/485 PC/104 Module
Emerald-MM-4M

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

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

High Performance PC/104-Plus
8 Port RS-232/422/485 Serial I/O Module
PCI/104-Express
Emerald-MM-8E/EL

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

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

4-Port Opto-Isolated Serial 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:

Back to 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