User manual
3. Chapter 3: Getting started with PSTN Simulator
3.1 Connecting PSTN simulator to a PC
After unpacking your PSTN simulator, connect DB9 port on a simulator to a COM port on your PC with a
supplied RS-232 cable. RS232 cable is included with every simulator sold.
RS-232 cable is a standard straight-through serial cable with 9 pins Male/Female connectors.
3.2 Powering up PSTN simulator
Make sure that Power switch is in OFF position.
Connect output power jack from power adapter to a DC jack on a simulator labeled "Power"
Turn power switch into an ON position
3.3 Installing PSTN Manager software
Install PSTN Manager from the oppy or CD which came with a simulator kit.
PSTN Manager requires 2Mb of free space on your hard drive and can be installed on the following OS:
Windows 2000 and XP.
3.4 Connecting analog telephones to simulator
To connect analog telephones to FXS ports you can use regular RJ11 cables which are usually supplied with a
telephones. Thought FXS ports on simulator are equipped with RJ45 jacks they can accept RJ45 connectors
as well.
You can test the connection by lifting a handset and verifying a presence of the dial tone.
3.5 Connecting T1/E1/PRI devices to simulator
To connect devices with T1/E1/PRI interfaces to PSTN simulator you need to use straight-through CAT5 or
CAT3 cable with RJ-45 connectors. RJ45 Jacks on simulator are wired for T1/E1 Network side.
Note: If your CPE device is also wired as network side you need to use T1/E1 crossover cable.
3.6 Monitoring/recording calls with Audio out port
You can congure PSTN simulator to duplicate the audio stream associated with any of the FXS ports and
route it to "Audio Out" port. By connecting the "Audio Out" port to a speakers or audio amplier you can
broadcast, listen or record Rx or Tx audio streams associated with a particular FXS port.
3.7 Conguring Music on Hold with Audio In port
You can congure PSTN simulator to play a "Music on Hold" after calling or called party is placed on Hold.
Connect a source of music (CD player or FM radio) to an "Audio In" port and verify it by calling a special test
phone number "09". You should hear music in your handset.
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User Manual
Public Switched Telephone Network (PSTN) Simulators