With our SI-PEX15055 2 Port DB9 Serial Card, you are able to provide RS-232 Serial Ports with +5 or +12 VDC Power Output via COM 1st or 9th pin.  The  Operating Temperature Range: 0 to 70°C or -40 to +85°C.  It comes with Low Profile Bracket as well.  Intended to be used with applications such as Serial Attached Devices, Serial Networking/Monitoring Equipment,  Data Acquisition System,  POS Terminal & Industrial PC,  Add-On I/O Cards -Serial /USB, and Embedded systems -For I/O expansion.