TDM400 Instruction
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Hardware Installation
In order to successfully install the TDM400 card into your PC, please follow these
directions carefully. Otherwise, your hardware maybe will not function properly and
could become damaged.
Steps
1. Power down the PC
2. Unplug the PC from its main AC power supply
3. Insert the TDM400 into a 3.3- or 5-volt PCI slot (PCI 2.2 or greater required)
4. If your card have S2 (FXS) module (Green module), plug the hard disk power supply
cable to power jack.
5. Fix the TDM400 Card, connect the telephone lines.
6. Power on the PC
After following these steps, hardware installation is complete.
TDM400 can install 2 modules S2 (FXS) or O2 (FXO), each one with 2 ports for
connecting more analog telephones.
Red light: it stands for the FXO port.
Green light: it stands for the FXS port.
Port1 Port2
Port3 Port4
+5V(NC)
Ground
Ground
+12V
LED1
LED2
LED3
LED4
Module 2
Position2
S2
Module 1
Position1
O2
Power Jack
PCI 2.2 Slot
Figure 1: TDM400 Modules
