R1T1 and RXT1 EC-Hardware Upgrade on trixbox CE 2.2
If you currently have a Rhino digital PCI card and are purchasing, or have the NEW Rhino Echo Cancellation Add-On Module, these are the steps that you must take to install the card to work properly with TrixBox 2.2, 2.2.3, and 2.2.4:
1 Install the EC module onto your R1T1, R2T1 and R4T1 Digital PCI card.
(If you have purchased the NEW R1T1 with on-board EC then please skip steps 6,7, and 
2 Turn on machine
3 Uninstall any current rhino drivers
- yum remove -y rhino*
4 Contact Rhino Support for the appropriate Driver Package
The driver package with include the following:
- H/W update for R1T1 R2T1 and R4T1 Digital Cards
- All other standard drivers will be installed (R1T1 and RCBFX)
5 Unpack rhino-2.2.1.tbz2
- wget ftp://ftp.rhinoequipment.com/Drivers/rhino-current.tbz2
- tar -xjvf rhino-current.tbz2
6 Run the r1T1 or RXT1 H/W upgrade
Look for whatever file is applicable to the card you are installing
- r1T1_to_37
- rxt1_to_36
7 Turn off Server completely
- init 0
8 Turn Server back on and login
9 Extract the zaptel sources (DO NOT COMPILE ZAPTEL)
Use the wget command and download the following zaptel file:
http://ftp.digium.com/pub/telephony/zaptel/releases/zaptel-1.2.1.17.1.tar.gz (trixbox 2.2 only)
Or whatever version of zaptel you are running, you can tell by typing:
modinfo zaptel
10 Run the Rhino install
- ./usr/src/rhino-2.2.1-current/make install
11 Now Test out your new Echo Canceler!