Telos Zephyr Xstream - Manual (Page 73)

USER’S MANUAL
Section 4: BASIC OPERATION & INSTALLATION 61
One Source for an appropriate unit is American Power Conversion. Their model "PdigiTel” is
suitable for use on either the S or U interface (also suitable for T1). See
http://www.apcc.com/products for additional information.
Another source would be Panamax. Their model “Max ISDN” Allpath is suitable for the ISDN S or
U interfaces (also suitable for T1).
Another source is Allcom model "552‐U", suitable for the ISDN S and U interfaces. See:
http://www.allcomtlc.com
Another possible source for an appropriate unit is Polyphaser. See http://www.polyphaser.com/
Users have reported good results with their multi‐conductor twisted pair models. (a unit with 65
kHz bandwidth should be correct) They also have a number of good papers on lightning
protection on their site.
A source for protection on Switched‐56 or DDS circuits (model 22‐64) protectors is Telebyte
corp. See
http://www.telebyteusa.com .
Many other sources are available. Search "surge+ISDN" for numerous sources.
4.2 Introduction to Zephyr Xstream’s Menu System
The Zephyr Xstream has seven menus. The four primary menus are AUDIO, CODEC, TEL and
SYSTEM. Repeated presses of the associated menu button, located immediately below the LCD
screen, access these menus. The following information is meant as a quick introduction only.
Section 11 (Detailed Menu Reference) covers the menu selections for the primary menus in
detail.
The Default Display
The default display will appear after the system has been left idle for 60 seconds. It gives
summary information on system status. At the bottom, in inverse text is the status of each ISDN
"line" or V.35 port.
The Primary Menus; AUDIO, CODEC, TEL & SYSTEM
Pressing of any of these primary menu buttons once gives a summary status
screen for the functions related to that menu.
Repeated presses of the menu button pages through the menu’s screen one
at a time. The intention is that frequent users will learn the locations of
commonly accessed items, and will be able to jump directly to the associated
menu page in question.
Once a desired page of menu selections is shown on the display, you must