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Knowledge Base / Hardware / Products / Digital Interface Cards / Dual Span / TE207P
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Articles
 
document I am hearing an echo. What can I do to fix this?
Please upgrade to the latest release of Zaptel available from .  Recent versions of Zaptel include a significantly improved software echo...
14 Mar, 2008
document How do I install Zaptel drivers on a system running Redhat?
You need to download the kernel source, and make two folders, linux, and either linux-2.4 or linux-2.6, (depending on which kernel you have, 2.4 or...
14 Mar, 2008
document Which pins of the crossover cable are for TX- TX+ RX- RX+?
1: RX-, 2: RX+, 4: TX-, 5: TX+
14 Mar, 2008
document What kernel modules are used for which piece of Digium hardware?
Card Module
14 Mar, 2008
document Why do I hear echo when I make a call?
In the analog phone world, FXS and FXO interfaces combine the receive and transmit signal on a single pair using a device called a hybrid. Because...
14 Mar, 2008
document What do I do if I can't compile Zaptel package on my system ?
In order to compile zaptel package on your system you need to have the kernel source version matching the kernel version that is already running on...
14 Mar, 2008
document How do I install Digium's T1/E1 cards?
To install any of Digium's T1/E1 cards: Ensure that your system has an unused PCI slot. Power down the system. Unplug the system from...
14 Mar, 2008
document How do I configure Digium's T1/E1/J1 cards?
To properly configure Digium's T1/E1/J1 cards, you will need the following information from your telco or other information source: line type...
14 Mar, 2008
document How do I set the Dual/Quad span card in T1/E1 mode?
T1/E1 Select Dual Span or mode can be set via a row of two jumpers towards the right end of the board or via a module parameter...
14 Mar, 2008
document How do I configure multiple Dual/Quad span cards in same machine?
Ident Dial When placing multiple Dual/Quad span cards in a machine the red dial labeled "Ident" can be used to make the...
14 Mar, 2008
document I'm using E&M Wink channels on a T1/E1 line and Asterisk is not getting the correct CallerID or DID numbers. What is the problem?
There are several variations of E&M Wink that telcos use, but the telcos generally group them all under the heading E&M Wink regardless of what...
14 Mar, 2008
document How do I troubleshoot problems over email with Digium's Technical Support staff?
Before troubleshooting via email to Digium's technical support team, please read all the information on the knowledge base that may pertain to your...
14 Mar, 2008
document I am getting error messages about PCI Master Aborts. What is wrong?
This is a very rare case.  When your computer's PCI subsystem experiences serious problems with Digium's cards upon initialization of the card,...
14 Mar, 2008
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