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Webcast-Catalyst9k
New Member

Cisco 1800 series integrated security router

Hi, i have doublt on how to differentiate between ADSLoISDN and ADSLoPOTS?

What is firmware?How to choice between 1)Firmware for 850/870 Series,2)Custom DSL Firmware Certified by Specific Carriers Only and 3) Firmware 2.6.4 for DSL Fixed Configuration and HWIC?

Thanks

2 REPLIES
Silver

Re: Cisco 1800 series integrated security router

The firmware version is A388.

The ADSL line is connected and is using pins 3 and 4. For more information on the ADSL connection, see the hardware guide for your router.

The ADSL CD LED is on. If it is not on, the router may not be connected to the DSL access multiplexer (DSLAM). For more information on the ADSL LEDs, see the hardware installation guide specific for your router.

The correct Asynchronous Transfer Mode (ATM) virtual path indentifier/virtual circuit identifier (VPI/VCI) is being used.

The DSLAM supports discrete multi-tone (DMT) Issue 2.

New Member

Re: Cisco 1800 series integrated security router

Hello

A PSTN or POTS line has a voltage of +-50V and a ISDN line 96V. These are DC voltages.

You can test this by using a volt-or multimeter.

As for I know this is always marked on the back of the router or on the WIC.

In Belgium we use the middle pins(2&3) on a RJ11 connector(4pins).

An ADSL line uses QAM on DMT and SHDSL uses PAM in Belgium.

I don't know if this is different in other countries.

Hoping this helps you.

Greetings

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