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Telos Zephyr Xstream Two-Way Radio User Manual

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USER’S MANUAL

Section 9: The V.35/X.21 Interface Option 160

ThecompactplugatoneendofthecablesnapsontothematingconnectorontheZephyr

Xstreamwithalockingaction.Toreleasetheplug,thetwopushbuttonsateitherendofthe

plughousingarepressedsimultaneouslyandtheplugiswithdrawn.

w

IMPORTANT!

We had to use a small socket in order to make more room on the rear panel (sorry), so you

cannot plug directly into it with off-the-shelf cables. You must have the appropriate cable

from Telos to connect!

The Xstream uses the same cables as the Zephyr.

TheV.35/X.21interface,whileasinglephysicalplug,hastwoelectricalports,ofwhichoneor

bothmaybeused.

Theplugsattheotherendarelabeled“PORT1”and“PORT2”andareconnectedto

theTA/CSUasfollows:

One Port Operation

• Forone‐portmonooperation,onlythePORT1plu

gisused.Itconnectsto

theTA/CSUV.35/X.21socket.

• Inthemono64modes,onlyoneV.35/X.21connectionisrequired.Audio

channelAcorrespondstoPORT1andaudiochannelBcorrespondstoPORT

2(usuallynotusedinthiscase).

V.35/X.21

INTERFACE

(

MINI-40 PIN

)

Ze p h y r™

Xstre a m

Lin e Po rt

Data Port

(V.35/ X.21)

CSU/DSU

To SW 5 6

PO RT1

PO RT2

(not used)

Single port operation supporting 56 or 64 kbps for mono operation on a single V.35/X.21 port.

Interface in the TEL menu should be set to" V.35 Split"

• Forhighbit‐rateapplicationsusingoneport

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