Support User Manuals

Telos Zephyr Xstream Two-Way Radio User Manual

Open as PDF

of 381

USER’S MANUAL

Section 9: The V.35/X.21 Interface Option 153

9 The V.35/X.21 Interface Option

9.1 Installing the V.35/X.21 Interface option

SomeZephyrXstreammodelsincludetheV.35/X.21interfaceoption.Thiscanbeidentifiedbya

miniaturehi‐density40‐pinDconnectorininterfaceslotB.TheV.35/X.21optioncanbeeasily

addedinthefieldasdiscussedbelow.

e

IMPORTANT! WARNING! DANGER!

Always disconnect AC (mains) power and Telephone Circuit Before

removing the Zephyr Xstream’s cover.

Potentially lethal voltages are inside! Failure to observe the above warning

may result in injury or even death!

Refer all servicing to qualified personnel.

w

TheoptionalV.35/X.21Interface(Telospart#1701‐00006[old#9167‐0000])canbeinstalledas

follows:

1. Removepowerfromunit

2. Removetoplidscrews(18or14screws)usingaPhillipsscrewdriver.6

screwstop(thesewillbe1/16thinchAllen‐headscrewsonmodelMXP),6

(o

r4)screwsoneachside.Liftcoverstraightofftheunit.

NOTE:ScrewsonthetopsurfaceofmodelMXPwillrequirea1/16thInch

Allenwrenchtoremove.

3. Lookingattherearoftheunit,notetheInterfaceslots.LocateInterfaceslot

B.Usinga1/16thInchAllenwrench,removeslotBcoverplatescrews.

4. TurntheZephyrXstreamsothefrontpan

elisfacingyou.Orientthe

V.35/X.21optioncardsothatthegreymulti‐pinconnectorisfacingdown

andthemountingplateandV.35/X.21Interfaceconnectorisawayfrom

you.

5. Holdtheoptioncardbetw

eenthetwoconnectorsonthemotherboardfor

slotsBandC.MovethecardtowardtherearpaneluntiltheV.35/X.21

Interfaceconnectorisprotrudingthroughtherearpanelopeningofthe

ZephyrXstream.Liftthecardslightly,keepingitparallelwiththebottomof

theunit,andmoveittotheright,aligni

ngitwiththeSlotBconnector.

previous next