RTS 810B User manual

SERVICE MANUAL
I MODEL 8108 1
Master Station
Series
800
With PanelMicrophone
Without PanelMicrophone
9360-5729-00Rev
E 8/97

PROPRIETARY NOTICE
The informationand design disclosed herein wm
originatedby and
an tbc woDmY of RTS Svstems. RTS
Systemsresines
all nahit aroOrietv desina.
niaoufacmin$, repductioi. r$e and hesZ&ts thmto.
and to any amcledisclosed therein,exceptto the extent
rights are expresslygranted to othem.
-
COPYRIGHTNOTICE
CopynghtlW6by RTS Systems. All rights resewed.
R uchon m whole or
m pan without prior written
permission from RTS Systems is prohibited.
PATENTNOTICE
This equipment containsand uses a design embodied in
United StatesPatentNo.
4,358,644: "A BilateralCurrent
Sourcefora Multi-urmmal Intercom". Thisdesien
-
employsa twc-wire to four-wire convener.
UNPACKINGAND INSPECTION
Immediatelyupon receiptof theequipment, inspectthe
shippingcontainer
and the contentscarefullyforany
dimepancies
or damage. Should then be any, notify the
freightcompany andthedealer at
once.
WARRANTY INFORMATION
The productsof RTS Systems are warrantedto be free
from defectsin materialsand workmanshipfora period
of three years from the date of sale.
RTS Systemssoleobli ation during the warranty
period
istoprovide, withoutc%arge, pam and labornecessary to
remedy
mered defects
-' g inproductsreturned
ddtoRTS Svstems.%%%umntv doesnot cover
~~~
. ---- ---
by' defect malfu6kionor failure causedbeyond the
control of RTS Systems,includinnunreasonableor
nedimto~eration.
abuse. acci&t failuretofollow
inhictionjin
the Senice~Manualor the User ~&ual,
defectiveorimproper associated equipment,attempts at
modification aid revair not autludd bv RTS Svitems.
and ship ing damage. Roductswith the& serialhumbek
removecforeffaced
are not covered by this w-ty.
Toobtain warranty service, follow the proceduresentitled
"Procedure For Rerums" and "Shiminnto Manufacturer
-- -
forRepairorAdjushnent".
This
warrantv is the sole and exclusive exmesswarrantv
given with 6-t to RTS Systemsproduk. It is the
'
responsibility of the urnto dnaminebefore purchase
that thisproduct is suitable forthe user's intended purpose.
ANY AND ALL IMPLlED W-,
INCL.UDING THE IMPLIED WARRANTY OF
MERCHANTABILITY ARE LIMITED TO TEE
DURATION OF THIS EXPRESS LIMITED
WARRANTY.
NEITHER RTS SYSTEMSNOR THE DEALER WHO
SELLSRTS SYSTEMSPRODUCTS IS
LIABLE FOR
INCIDENTAL OR CONSEQUENTIALDAMAGES OF
ANY KIND.
CUSTOMER SUPPORT
Technical questionsshould be directed to:
RETURNSHIPPING INSTRUCTIONS
PROCEDUREFOR RETURNS
If a repair isnecessary, contact the dealerwherethisunit
was
pure-
h
the dealer is not possible, obtaina
E%KNAAORIZATION
from:
DO NOT RETURN ANY EQUIPMENT DIRECnY
TO TEE FACTORY WrmOIJT FIRST
OBTAlMNG A RETURNAUTBOREATION.
Be
prepared toprovide the companyname, address,
phone number, a
person to contactregardink the
the
type andquanti'y of equipment, e descnption%d
problemand
the senal number(s).
SHIPPINGTO MANUFA- FOR REPAIR OR
ADJUSTMENT
AU shipmentsof RTS Systemsequipmentshould be
made via United Parcel Service or the best available
shimr.
maid. The ffluiomentshould be shid in the
- --
ori&al&king carton;lfhat isnot available,=isean
suitablecontainerthat is rigid and of adequate size. da
substitutecontaineris
used the eauiDmedt shouldbe
wrapped in paper and surmunded.dth at least fourinches
of excelsior or
similar shock-abatiimarerial. AU
shipmentsmust be sent to the followinn addressand must
-
includetheReturn Authorization.
Customer ServiceDeparrment
Telex Communications,Incorporated
West 1stStreet
Blue
Earth, MN 56013 U.S.A.
Upon completionof any theequipment will
be
returned vla United k=ice or specified shipper
collect

TABLE OFCONTENTS
Proprietary Notice ........................................................................................................ 2
copyright Notia ......................................................................................................... 2
Pateat Norice .............................................................................................................. 2
Printing Histoty ........................................................................................................... 2
Unpacking Infdon and Inspection ................................................................................ 2
Quick Table of Content8 ................................................................................................. 2
Table Of Content6 ........................................................................................................ 3
Warranty
................................................................................................................... 8
Shipping Infotmatk .................................................................................................... 8
SECTION
1: DESCRTPTION AND SPECIFICATIONS
Ref . No . m
"
l2kmstim. Inputs md outputs ............................................................... 10
Model 810B Specificdons ...................................................................... 10
Modal 865 Specificatiolvl ........................................................................ 11
SECTION
2: INSTAUATION
Ref.No.
Mecbaaical ......................................................................................... 13
Power ............................................................................................... 13
Wim and Cable cademtiom ................................................................. 13
SystemTumination
............................................................................... 13
SECTION
J: OPERATINGlNSlRUCTIONS
Configurations & SystemCompnrisons ........................................................ 14
Sidetone
AdjusEmnts ............................................................................. 14
Level Adj-ts
................................................................................ 14
....................................................................
Chanuel Output Signalhl 14
Squawk StyleSystsms
............................................................................ 17
Receive
Chpnael Selection ....................................................................... 17
Talk Chaanel
Selection ........................................................................... 17
Dip Switch
&signum& .................................................................. U)
.........................................................
'Stringing' SquPwk SfationsTO@M 20
.............................................................
Squawk System Pin in&m 20
lkdemxe StyleSystems ........................................................................ 21
............................. ...................................................
Model 810B-CL -.- 21
Tennillation
........................................................................................ 21
.....................................................
~~OB-CL -tim TO TW system 21
Talk
Assigmlmts ................................................................................. 22
Listen Assignments ............................................................................... 22
Page 3

TABLE OF CONTENTS (ewtinued)
SECTION 3: OPERATINGINslraUCXLONS (-
3.3.6 Self Tdly ........................................................................................... 23
3.3.7 Dip Switch kssignmu~ts .................................................................. 23
3.4 Model 810B-5Cn ................................................................................ 27
3.4.1 810B-5CIZTdk
kssivts .................................................................. 27
3.4.2 8lOB-5
Cn. Listm Assignmars ................................................................ 27
3.4.3 8lOB.5
Cn. T* kssiw ................................................................. 27
3.4.4 Dip Switch
Ansignmmts ...................................................................... 27
3.4.5 81OB-5Cll
Inkuwmedon To TW Syh ................................................. 27
3.5
M.trix Systsm Coaf~on (81OB-M) ..................................................... 30
3.5.1 810B-AA
T& Assimts ..................................................................... 31
3.5.2 81OB-M
Listm Assignmentrr ................................................................... 31
3.5.3 810B-AATally
Assigm~~ts .................................................................... 32
3.5.4 81OBB-AA
Dip Switch kssi&anm~ts ....................................................... 32
3.6
Combinntions Systems ......................................................................... 33
......................................................................................
3.7 810B FePtures 33
3.7.1
Dynsmic Micropb Headset .................................................................. 33
.............................................................
3.7.2 GooseadMinophons (Optid) 34
...................................................
3.7.3 Alternnte Electret Microphone ComwAion 34
...................................................
3.7.4 Alternnte Dynamic Mimophone Gd 34
3.7.5 Extemd Headset ................................................................................. 34
3.7.6 Remote Mi- Switch ..................................................................... 35
...............................................................
3.7.7 Unswitched Microphone Output 35
3.7.8
Remote Speaker Switch .......................................................................... 35
3.7.9
Listen Outfrdk In ................................................................................ 37
3.7.10
Extd SpaLerOutput ......................................................................... 38
......................................................................
3.7.11 Microphone Limiter (R43) 39
...............................................................
3.7.12 Microphone Level Control (R81) 39
..........................................................................
3.7.13 Am Spealrer On (Sl-3) 39
..................................................................
3.7.14 Instaat Microphone On (S1-4) 39
3.7.15 Speaker
Dim Enable (Sl-1 and S1-2) ......................................................... 39
3.7.16 Speaker
Dim Mjwtmea t. ....................................................................... 39
..........................................................................
3.8 Special . . Applications 41
3.8.1
bfmmum Volume ................................................................................. 41
................................................................................
3.8.2 A* B& 42
...................................................
3.8.3 Interface TO Md 802 Mnster Station 42
...................................................
3.8.4 Interfict To TW Intacom Speaker Station 43
.............................................
3.8.5 /&itrary System Inkranmedon Requh- 43
3.8.6 OperPting
Controls ................................................................................ 45
3.8.7
Rear Panel Connections ......................................................................... 46
SECTION 4: THEORY OF OPERATION
Ref . No . T& ks%
........................................................................................
4.1 Intmdu&on 48
.....................................................................................
4.2 Sys~mThaory 48
.........................................................................................
4.2.1 Signal Path 48
.........................................................................................
4.2.2 T@ hth~ 48
.................................................
4.3 Modal 810B Ovadl Fumtkd Mfion 50
.............................................
4.4 Operating Dibca ad Special Considerations 50

TABLE OF CONTENTS (continued)
SECTION 5: MAINTENANCE
Ref . No . m!? bl!?
5.1 Inhdwtim ........................................................................................ 51
5.2
Setvic8 Infomation ............................................................................... 51
5.3
Gd MaiUbnsocs ............................................................................ 51
snwr-
5.3.1 OM ............................................................................. 51
5.3.2
ClePning ............................................................................................ 51
5.4
Test Procedurt .................................................................................... 51
5.4.1
set Up ............................................................................................... 55
5.4.2
Po~gSupply ...................................................................................... 55
5.4.3
Microphone Preamplifier & Limiter ......................................................... 55
5.4.3.1
USM O~iput ....................................................................................... 55
5.4.4
Line Driver Outputs .............................................................................. 55
5.4.4.1
Listm Select. ...................................................................................... 55
5.4.5
ListcaSumAmp ................................................................................... 56
5.4.6
spaLa Amp, Extend SpePlrcr Jack aad Speplrsr *-Off Switch ........................ 56
5.4.7
Auto Sm ON Function ..................................................................... 56
...............................................................................
5.4.8 Sm Dim (R86) 56
5.4.9 H* Amp .................................................................................. 57
5.4.10
Listm In/Tdk Out Jumpem ..................................................................... 57
5.4.11
Continuity Checks ................................................................................ 57
...................................................................................
5.4.12 Logic Fdm 57
5.4.13
Fi AdjustmatP ............................................................................ 57
SECTION 6: LISTS OF REPLACEABLE PARTS
me ?as
6.1 Inkduction ........................................................................................ 58
6.1.1
Division of Parts List Into Sub-puts LiM .................................................... 58
6.2
How To Obtain Plrts ............................................................................. 58
6.3
Shipping List ..................................................................................... 58
......................................................................
6.3.1 Model 810B Shipping List 58
6.3.2
Model 865 Shipping List ......................................................................... 58
...................................................................
6.4 Fi Assembly, Model 810B 59
............................................................
6.5 Rep Panel Assembly, Model 81OB 59
6.6
cknssis Assembly . Model 810B ............................................................. 60
................................................................
6.7 Switch Board, Model 810B 60
.....................................................
6.8 Printed (%wit Assambly, Mothehod 60
6.9 Model 865 Final Assembly ...................................................................... 75
.................................................
6.10 Model 810B Final Assembly, Power Supply 75
Page 5

SECTION 7: MODEL 865
TABLE OFCONTENTS (continued)
SECTION 8: DIAGRAMS
Number
List of Di .......................................................................................... 78
OD2625
Outline Drawing. Model 865 CmhPl Matrix ......................................................... 79
ILL6505 Illustration. Mrsttr Station & Related Componats. Model 810B ................................. 80
OD5729 Outline Drawing. Master Station. Model 810B ....................................................... 81
ASS606 Assembly Drawing. P.C.B. SwiUModel 810B ............................................ 82
SD5W Schdc Di. Switchboard. Model 810B ...................................................... 83
SD5732
Schematic Diagram. FunctidBlock Repmeatation. Model 810B . sht 1 of 6 ................ 84
SD5732
Scbmtic Dim. Microphone PreampISwitching. Model 810B. sht 2 of 6 .................. 85
SD5732
Schematic Di HeadpWSpesLea Amps &PowerSupply. Model 810B. sht 3 of 6 ... 86
SD5732
Schdc Dignm, Bii Cwrd Swroe Transceiver. Model 810B sht 4 of 6 ............ 87
SD5732
Scbenvtic Diagxam. Switch Matrix. Model 81OB. sht 5 of 6 ...................................... 88
SD5732
Schuumtic DirgrPm, Listen Switching. Model 810B. sht 6 of 6 ................................... 89
......................................
WD5732 Wiring Diagram. Mothemonrd. Mpster Station. Model 810B 90
FAB2608 FAB Detail. P.C.B.. Squawk Jdm Unit. Model 865 ........................................... 91
AS2625
Top Assembly. Central Matrix. Model MS ........................................................... 92
WD2625 WagDiagrem. Squawk Junction Unit. Model 865 ................................................ 93

INDEX OF Fl
Ref . No .
1-1 Typical Model 810B &-Up .................................................................... 12
Model 810B MguratioaslSystem Coqmimns ........................................... 14
Sidetom awl Level Adj- ................................................................ 15
Talk & Listea Assipmats ..................................................................... 16
Receive ChamelSelection ....................................................................... 17
Squaw% Talk Chd Assignmmt ............................................................. 17
Squawk Dip Switch Assignmats ............................................................... 18
System Trsmhdon Plug ...................................................................... 18
'Stringing* Squawk StyleStations Together ................................................ 19
Conf- StyleSystem Block Di8gnm .................................................... 21
.. .
CaaF.rara Talk Assim ................................................................... 22
~ListmAMi~ ................................................................ 22
SelfTally Assilplmeats for 8lOB-CL ...................................................... 23
.............................................................
810B-CL Dip Switch Assignments 23
.....................................................................
810B-CL Pin GxQwntian 24
thfe#ace StyleSystem To TW System ...................................................... 25
.......................................................
Tennidng a Confsrraa StyleSystem
26
810s-SCTL Talk Assignmmta .................................................................. 27
........................................................................
810s-SCTL Assignmalts 27
...........................................................
8lOE5CTL Self Tally Assigtuneats 28
..........................................................
SlOB.5 Crr. DipSwitch Assignmeats
28
..................................................................
8lOB-SCTL Pin Mguratian 28
................................................................
810s-5CTL To 802fIW System 29
..................................................................
MMix System Block Diagram 30
.....................................................................
8lOB-AA Talk Assipmats 31
...................................................................
81OB-AA Listen Assipmznb 31
....................................................................
810B-AA Tdy Assipumnts 32
.............................................................
8lOB-AA Dip Switch Assiv 32
DynamicMic- Hadsst Camx&ons .................................................. 33
E;td Headset ccmwxions ............................................................... 34
Remote MicmobSwitch Coaaections ..................................................... 35
.....
.
................................................
UnswitchedMicrophone Output Cmumtions 36
...........................................................
Remote Speakex Switch Camx&ons 36
Listen OutlTalk In Jump;rs ...................................................................... 37
...................................................................
Extd Speaker Canuectioas 38
Miom Adjustmeats ........................................................................ 40
Switchable Options ................................................................................ 40
...............................................................
Miuimum Volume Modifications 41
............................................................................
SlOB 11 To 802 42
810B
Iatuface To TW Speaker Station ....................................................... 43
.........................................................................
Model 810B Front Panel 44
opsntinlr Cootrok ................................................................................ 45
Model 810B Rear .......................................................................... 47
............................................................
Basic Block Diagnm, Model 810B
94
Model 810B Test Fixlure ........................................................................ 95
Model 810B Test cbmections .................................................................. 53
Model SlOB Test Set-up ..................................................................... 54
Model 865 Back Pnnd ............................................................................ 77
Model 865 Outb Drawing .............................................................. 79
Page 7

Tbis page is inteatidy left blank,

SECTION 1: INTRODUCTION AND
SPECIFLCATlONS
The Model 810B Master Station is a multi-puqwe
intercom station designed for use in professid
applications.
The Model 810B an be factoryadigured in
fouc
different modes of opesation to satisfy a wide variety
of inteM&& req-ts.
The Model 810B
is compatible with otha RTS Series 800
products. AU interam hes are balanced hlevel, and
opaPte in a fullduplex (both talk and listen) mode. The
Model 810B intermmects to
TW Intercomcircuits through
additional equipmat.
TheModel 810B nllows voice communiclton from my one
of up to ten user stations to my one, or Wmbination of,
nine other
user stPhOlLP. It is 0th referred to as a 'squawk
system' or M .all master system'.
The Model 810B may
be used as a completely self-
contained communications system or m addition to a
coaferencbline intercom system, providing point-to-point
communicationsindepadent of the confereacc-line
buses.
1.2 Description
The Model 810B fits into a single 19" rack space. AU
operationalcontrols are mounted on the frontpelfor easy
~ccess. The optional20inch gooseneck minophone can be
coiled for close operating conditions or
extended towards
the user. Adding nn extemnl lodqedm nllows for m
open listming condition
whea opemting in eoojunction
with the gooseaeck micqhom. For private
communication, a dynamic microphone
head& an be
plugged intoa front
ppnel colloector.
1.3 Operational ControIs
Three latching pushbuttoo switches contml the operations
of
the Model 810B: The PANEL MIC switch selects the
goosez~~kmicrophone or the
head& microphone.
The MIC ON switch actiMtes the microphonepreamplifier
circuit regardless of
which microphone is being used. The
SPKR ON switch hms on my user-supplied external
loudspeaker.
A
limited rnnge volume control provides a minimum
speakermeadphone volume to easure that the opator can
hear all incoming messages.
1.4 Selection ConfroIs
The selection swi* in the Model 810B are a group of
eleven
pushbuttas. The first ten pushbuttom directly
roess the htercom line8 pnd an be lntching or
nmmentqrction. The elevd pushbutton
is a
nmmentq4on
ALL TALK pushbutton which nllows
mystationtotalktonllintercomlinesatonce.
AU frontpsnel pushbuttons have two levels of
illumination;m activated
button has a higher brightness.
1.5
s* CwTitioD5
The Model 8lOB can be ordered in four versions to
occommodnte@fic~~inaeety
of svstcmMMpemmts. l'he ten selection mshbuttons take
on kffemt funfunctionsin each version of the Model 810B.
special versions may
be designed as required. CoDW the
f=W.
The Model 810B an be used as a 10 x 10 point-to-point
squawk systcm. Any one of ten Model 810B User Stations
caa talk to my other station or combiion of stations.
Communication
is dedhted to each raspective station and
the receiving station will automatidy hear dl incoming
-$es.
There isone momentary pushbutton for each station.
A station cao talk to my number of stations simultaumusly
by pressing my combbation of
buttons. Migthe ALL
TALKbultoaPddressesnllstntionsatthespmtime.
Astadad 10x10systemcanbeexpmcMby incmshg
the nnmbe~of stations
in a 'string' urnfiguration. Each
pup of stations on a string sharea the spme receive
sddreas~eachstationonthestriaganE.ILtomyother
stationinthesystem.
When tbe Model 865
Central Mntrix is used with the
squnwk system, it adds a CPU Wy feature to the
dgurotion, telling a us+r ViarPlly which station is
&g. TheModel865pmvideslinctembtionvua
tenohlionplug.
Altanate Adion Matrix Svstem
The Model 810B-AA an be used as a user station within a
10~1OmPtrixintacomsystem. Anyoneoftenstations
an Wk to my other station or combination of stations. All
ten pushbuttons ua latching action for maintpined ad
dedicated communicatimto other stations. The receiving
station
will mtomntidy hear dl incoming mssages.
TheALLTALKpushbuttonismomea~taryactionnndcan
page nll stations €inlultaumusly.
Page9

Tally idmtification is not used in the matrix system so the
Model 865 CeatrPl Matrix is not negsslry. The Model
81OBstatimcanbe~uslngaModel4025A
Splitter. Line termination must be provided by a system
termination plug. This terminntion csn be ordered from
RTS Systemsor nmde by the user (see Figure 3-2D).
Each latching-action pushbutton illuminates when engaged,
indicating switch stPtus (on or oft).
Tm Channel Conf~ere Line S'Pstsq
1.7 MODEL 810B SPECIFICATIONS
The Model 810BCL can be used as a use^ station within a
10-Cbanml
confereme line intearan system. AU
pushbuttons are latching action to allow continuow
communicationon my channel or combinationof channels.
The
call tdly feature b not used in this configuration.
Ihe810B-cLcanbeusedinavarietyofw~ysWithin
conferw~ce line systems. One example of an mangemeat
consists of a single 810BCL cwpled
With tea TW
intercom User Statim. The Model 4012 System
In-t
is normslly used for this prpose. The Model
4012 provides inhwm~&on
behveen the 81OB-CL. and
the TW Inte-rmm User Stations. The Modal 4012 also
pmvides line terminntion for the 81OBCL. This
amtngement
allows the 81OBCL to talk directly with each
TWstationonchannel2mdallTWstatiomcantalkto
each other onchannel 1.
VariaIiom on system anangemeats can easily be made by
reconfiguring
and/or adding equipment. Consult the
foaory for more idomation.
Kve Channel Conference Line Svh
The Model 810ESCIL can be used within a Schmnel
conference
line inkmom system. AU pu&buttons are
latching action to allow continuous wdcationon my
channel or combination of channels.
Each chnnael has
sepPrnte talk and listen pusha this allows my
wmbiition of
trilling and listening to selected channels.
Ihe call tally fealure isnot used in this configuration.
Contact
the factory for systemmg-t.
1.6 Connectioas, Inpuk & Outpuk
Interconnection to the 810B is accomplished by using
standard SGpin micmribbon cmnechs. A rear panel
multi-pin
"D' mectorpmvides ~ccess to various circuit
ports. These various circuit ports can be used to couple the
81OB to other intercom equipmeat or to externally control
mme of the 810B functions.
!hm4
RequiuodMmLiolhapcd.sse: MoDbrma(SI*stlbk)
800otua
hlqpltlq4Uwe: 10.000 cbma
late.MmAndbalowloulpul:
N0mio.l:
3 VOb ~rlimii)
Diaurc: 10,ood~~ p.ir
cmb!e@ooobmb
inpcd.oc)N~wlcwirc
l-aopllau)
Uxt Sutim: 10000ohrm,~
&id.gingimpd.ase: ~obrntomm
-
Transfer Ruio anput:
N0mio.l:
Pram*
470cbma
m dims. r.dd
150 millivolu
54dB
34
dB
lM)IL.u,lOIMz,
3
dB
Hudrcl Mic %lpul R.ogs: 12to 123 milli&
Huda Micmphon Sauce
pul;w
lnpcauvciluuc: 100to1OOOobrm
(200obrmiS~
Headdwae.4md&
Onnu Vhp Win: 24 dB
Inroz5ohmk.d: 9vh@
oulpulParr: 0.3 wuo, hTobrm
F-Y -: ISOlbu,8KHz,
3
dB
HudpbnuIqduxell.npc: 25to600obrm
-Am*
24 dB
15OHzto8KHz.3dB
4wll.
la0 s ohm- 2 wuo
kdspe&=R.ogs: 4to 16cbma
~~~ 14vobACu1Ia~rsr
(AC d.p(cr pmvidcd)
1.75' H x 19- W x 13.5'0
45mmHx483mmWx343
lnmD
We*: 6.5
pormd.. 2.93 Lilqnrm
Fd:
Fmrn p.acl:
Btu H*:
-Ria,Gghrwy
Gold lridii
Page 10