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TDM1600 - 16 Port FXO/FXS

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TDM1600 - 16 Port FXO / FXS PCI Card for UCA-5520 PBX

The TDM1600 card is a hardware module for UCA-5520 PBX to add support for analog interfaces such as FXO & FXS interfaces. The TDM1600 is a PCI compliant card that supports upto sixteen (16) FXS or FXO interfaces. It supports a combination of S2 or O2 modules for a total of 16 FXS or FXO interfaces. S2 modules come with 2 FXS ports where as the O2 module comes with 2 FXO ports.

Designed for

  • Dreamwave UCA-5520-EE, UCA-5520-CCE PBXs
  • Asterisk®, Trixbox CE®, Elastix®, FreePBX® Open Source software based PBX / Phone Systems
  • Images & Screenshots

  • Highlights

  • Electrical Features

  • Physical Features

  • Ordering Info

Product Highlights

The TDM1600 card is a hardware module for UCA-5520 PBX to add support for analog interfaces such as FXO & FXS interfaces. The TDM1600 is a PCI compliant card that supports upto sixteen (16) FXS or FXO interfaces.

The TDM1600 supports a combination of S2 or O2 modules for a total of 16 FXS or FXO interfaces. S2 modules come with 2 FXS ports where as the O2 module comes with 2 FXO ports.

The TDM1600 is PCI compliant and can be installed in any standard PC or Server with a PCI slot running asterisk based pbx software. It is Zaptel / DAHDI compatible hardware and is fully supported by any Asterisk based PBX running the appropriate zaptel / dahdi drivers.

Electrical Features

  • Interface Standard PCI 2.2 with 3.3- or 5-volt power
  • 4P hard disk power supply with 12-volt
  • FXS relevant RJ11 port supply DC Feed -48V and loop current 20mA
  • Two color LED: Red for FXO port; Green for FXS port

Physical Features

  • required 1 available PCI slot for installing the card and a dummy card slot for housing the 2nd card!
  • TDM1600 mother card: Length: 4.76" (121mm)
  • Maximum EIGHT (8) daughter modules (O2 or S2);
  • Package Size: 10"x6.3"x2.4" (255mm*160mm*60mm)
  • Weight: 0.99 lbs (0.45kg)

Environmental Conditions

  • Operation Range: 32° to 122°F, 0°to 50°C
  • Storage Range: 4° to 149°F, -20° to 65°C
  • Humidity: 10-90% non-condensing

Ordering Information

Number of FXO or FXS ports you'd need for your PBX depends on how many phone lines you have and how many analog telephones or fax machines you'd like to connect to the PBX. If you need assistance with choosing the right hardware, please feel free to email This e-mail address is being protected from spambots. You need JavaScript enabled to view it . We will be glad to work with you in getting you the right hardware that meets or exceeds your requirements and fits your budget!
For pricing information, bulk orders, reseller inquiries, help finding the right solution, etc., please contact Dreamwave sales at This e-mail address is being protected from spambots. You need JavaScript enabled to view it
Dreamwave Sales Team

The following combination of FXO & FXS modules are supported with TDM1600 card.

Part # / SKU # of FXO ports # of FXS ports
TDM164O 4 x FXO None
TDM164S None 4 x FXS
TDM168O 8 x FXO None
TDM168S None 8 x FXS
TDM168O8S 8 x FXO 8 x FXS
TDM1610O6S 10 x FXO 6 x FXS
TDM1612O4S 12 x FXO 4 x FXS
TDM16O 16 x FXO None
TDM16S None 16 x FXS