Black Box SHM 128 User manual

SHORTHAUL,
ASYNCHRONOUS / SYNCHRONOUS
4WIREMODEM FOR PRIVATELINES
1.2to128 Kbps
SHM®128
USER'SGUIDE
ORIGINALISSUE:FEBRUARY01, 2000
UPDATE:NOVEMBER25, 2004
P/N: 511004311

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RECOMMANDATIONS
Thelinecircuit aswell astheinterfacecircuitsat thebackof the
product areSELVcircuit.Compliancewith EN60950 isonly
maintainediftheyareconnectedtolineor portonother
equipmentswhichonlycontainSELVcircuit asspecifiedin
EN60950.
DISCONNECTINGTHE PRODUCT
Beforeopeningthehousingservicing,product mustbe
disconnectedfromthemainpowersupply.Toenable this,power
must beinstalledneartheproduct and must beeasilyaccessible.
AETA.COMreservestheright tomodifytheproductsdescribedin
thisguideat anytimeand without prior notice.
DECLARATIONOF CONFORMITY
Themanufacturerdeclaresthat theAEMOD 128 shorthaul
modemconforms tothefollowingstandards:
EN55022 Ed. 94 Electromagnetic radiations
EN55024 Ed. 98 Electromagnetic immunity
EN60950 Ed. 98 Safetyrequirements
CE MARK
TheCEmarkonthisproduct appliestotheEMC directive
89/336/EEC and totheLowVoltageDirective73/23/EEC.

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CONTENTS
I
PRESENTATION
II
INSTALLATION
III
INTERFACES
IV
DISPLAYS AND TESTSFEATURES
V
OPERATIONS
VI
RANGE
VII
MICROSWITCHPOSITIONS SUMMARY

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I–PRESENTATION
Front panel
Rearpanel V28,V35 and 230V~ unpluggable terminalblock
RxTx
Jonction Al. 230V
50Hz
15mA
Rearpanel V11 and 230V~ unpluggable terminalblock
Tx Rx
Jonction
Al.
230V
50Hz
15mA

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Chassisfront panel
Therack-mount chassiscancontain:
up to16 modemcards
up to2powercards

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II -INSTALLATION
1. Powersupply
Connectall secondarysupply wiresbefore connectingthe
mainspower plug.
Standalone versions:
Standalone230Vversion: plugthepowercordtothemainspower
socket.
The“Alim”LEDmustlight on.Ifit doesnot, checktheF1fuseon
theboard(250Vdelayed400mA).
Standalone48Vversion :connect the48Vsupplytothe48V
screwterminals(polaritydoesn't matter).
The“Alim”LEDmustlight on.Ifit doesnot, checktheF1fuseon
theboard(250Vdelayed63mA).

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Rack-mount versions:
Rack-mount 230Vversion:
Plugthe230Vpowercardinslot Aor B of thechassis.
For backup, pluga second 230Vpowercardintheotherslot.
Plugthemainscordin theoutletat thebackof thechassisand in
themainspowersocket.
The“Alim”LEDof thepowercardmustlight on.Ifit doesnot,
checktheF1fuseontheboard(250Vdelayed1A).
The“Alim”LEDof amodemcardmustlight on.Ifit doesnot,
checktheF1fuseontheboard(250Vdelayed400mA).
Rack-mount 48Vversion:
Plugthe48Vpowercardinslot Aor B of thechassis.
For backup, pluga second 48Vpowercardintheotherslot.
Connect the+48Vwireof thepowersupplytothescrewconnector
blocktagged0B and locatedat thebackof thechassis.
Connect the0Vwireof thepowersupplytothescrewconnector
blocktagged–48Vand locatedat thebackof thechassis.
The“Alim”LEDof thepowercardmustlight on.Ifit doesnot,
checktheF1fuseontheboard(250Vdelayed2A).
The“Alim”LEDof amodemcardmustlight on.Ifit doesnot,
checktheF1fuseontheboard(250Vdelayed400mA).

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2. Line wiring:
Warning:Theefficiencyof AEMOD128 isguaranteedonly
with atwo twistedpairscable.
ThetwoTxlinewiresareconnectedtothetwoRxlinewiresof the
otherend.
Screwconnector blockstandalone or chassisversion:
Tx
Thetransmit lineisconnectedto
theterminals:
Thereceivelineisconnecttothe
terminals:
Rx
RJ45 standalone unit:
RJ45 pinouts:
RJ45
receptacle
pinnumber
Description
1Not used
2Not used
3Rx
4Tx
5Tx
6Rx
7Not used
8Not used

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REMARK:
Thewayof pluggingthetwoTxwireshasnoimportance.The
samefor thewayof pluggingthetwoRxwires.
NOTE:Asanoption,a3meterlongcordfittedwith aRJ45 plug
at oneend and a spadelugat theotherend canbedelivered.
3. Terminal connection:
V28 version: connect directlytheterminaltoAEMOD 128 usinga
DB25 female connector .
V35 version: connect theDB25M /M34Fadaptor cord(delivered
with thedevice)tothe'Jonction'connector of AEMOD 128.Then
usea M34 cordtoconnect theterminaltoAEMOD 128.
V11 version: connect theDB25M / DB15Fadaptor cord(delivered
with thedevice)tothe'Jonction'connector of AEMOD 128.Then
usea DB15 M34 cordtoconnect theterminaltoAEMOD 128.
4. Alarmcontact:
A2pinscontact ('Al.')isavailable at therearsideof AEMOD
128.
Thedeviceprovidealoopwhichisopenwhennolinesignalis
detectedbythemodem.

SHM128 -511004311 -Update: 11/25/2004 10/31
III -INTERFACES
1. V28 interface
ITU-T:V24 + V28 (RS232)
ISO :2110
Circuit Pin MeaningNameSignal
source
ITU-T
EIA
102 AB7Signalground GND
103 BA2Transmit data TD →
104 BB 3Receivedata RD ←
105 CA4Request tosend RTS →
106 CB 5Cleartosend CTS ←
107 CC 6Data set readyDSR ←
108 CD20 Data terminalreadyDTR →
109 CF8Data carrierdetect DCD ←
113 DA24 Externaltransmit clockExtClk →
114 DB15 Modemtransmit clockTC ←
115 DD 17 ModemreceiveclockRC ←
140 RL21 RemoteloopbackRLB2 →
141 LL 18 LocalloopbackLLB3 →
142 TM25 Test indicator TI ←
→Terminalsignalsource
←Modemsignalsource