Telos Zephyr Xstream Two-Way Radio User Manual


 
USER’S MANUAL
Section 3: GUIDED TOUR of the HARDWARE 27
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IMPORTANT!
Do Not enable PS2 power if you plan to connect the S interface of your Xstream to a Zephyr
Classic or ZephyrExpress.
Doing so could cause damage to one of the units!
i
ISDN TIP!
If you are connecting to ISDN using the S (4-wire) Interface you can ignore the status of the
NT1 U Sync LED. It will be flickering rapidly if the U (2-wire) interface is not used.
V.35/X.21 Interface Option
Offersinterfacetodigitalsynchronousserialbitstreams,primarilyfornonISDNapplications.
BothV.35andX.21equipmentcanbeaccommodatedwiththeuseoftheappropriatecable.
MoreinformationcanbefoundinmanualSection9(TheV.35/X.21Interface).
Communications and Control Ports
RS232(DCE)
Usingafemale9pinDsubconne
ctor,thisisan
RS232serialportusingthestandardmodem
styleformat.Thedefaultlineprotocolis:8bits,1
StopBit,NoParity,andnoflowcontrol.Bitrate
canbeadjustedfrom2400to57,600bpsusing
thers232menuselectioninthefirstSYSTEM
Menu.Thedefau
ltforthissettingis19,200bps.