Vodavi Triad 1/2/3 Product Description Manual

Triad 1 /2 Gen era l De scription 10 -3
Tr iad 1/2Gen era l D escr ipt ion
TheTr iad 1/ 2Sys te ms are ful l y Di gi ta l Hybr id Key Te le phone S ystems ,
designed to meet the telecommunication needs of medium-sized
busi ne ss offi ces. Th eTriad 1/2Sys te ms incorporate state of the art d igita l
te chnology fo r com mand pro ce ss ing and voice s witching, us ing a Pulse
Code Modulation/Time Division Multiplexing (PCM/TDM) distributed
switching matrix. The system supportsMUlaw encoding based on the...

10-4 Triad 1 Com mon Control Equipment
TheTr iad 1/ 2Sys tems support a combination of D igita l Keys ets a nd
Electronic Keysets as well as single line devices. With the keysets,
commonly used features are activated by direct button selection. Many
functions may be accessed by dialing specific codes or optionally, by
assigning these dial codes to flexible buttons on the keyset. In addition to
key telepho nes, an array of op tional terminals a re also ava ilable,
inc l udi ng D SS/ D LS c on sole s.
Wi...

Triad 1 Com mon Con trol Equipment 10 -5
Fi gure 10 -1 :Tr ia d 1Sys te m Di ag r am
Ba s ic KSU
8003-00 

10-6 Triad 1 Com mon Control Equipment
Fi gure 10 -2 :Tr ia d 1Defa ul t Card Layout
D
T
I
BD
T
I
BL
C
O
BN
O
N
EM
P
B DEF AULT CARD LAYOUT
012 67SLOT S
MP B
D
T
I
B 

Triad 1 Com mon Con trol Equipment 10 -7
Fi gure 10 -3 :Tr ia d 2Defa ul t Card Layout
D
T
I
BD
T
I
BL
C
O
BN
O
N
EM
P
B DEF AULT CARD LAYOUT
01 267SLOT S
MP B
D
T
I
B 

10-8 Triad 2 Com mon Control Equipment
Tr iad 2Common Control Equipment
Basic Key Service Unit (BKSU)
The BKSU is wa ll mounted . It is of metal cons truction w ith a backp la ne
motherboardthathas9cardslots.Thefirstslot(righttoleft)isforthe
Master Proces sor Board (MPB) w hich is a com mon control ca rd. Th e
second s lot can be used fo r the Mis cella neous Serv ice Unit Board (MISU)
or a s ta tion/CO card. The rema ining 7 s lots are f or p erip heral cards. Th is
system is installed using industry...

Comm on Con trol Cards 10 -9
Master Processor Board (MPB)
The MPB card controls all sys tem a ctivity. Th e MPB contains the ma in
microprocessor a 16-bit (68302), the real time clock, and all support
circuitry. T he MPB is resp onsible f or all control functions , execution of a ll
logic op erations , a nd contro l of sy stem m odules. Th e MPB a ls o provides
soft war e and har dwar e supp ort t o e nsur e the fol l owing:
†Watc h do g ti mer a nd r ec o ve r y.
†St at e/ eve nt sof twa re de si gn....

10-1 0 Com mon Control Cards
Mi sce llaneo us Se rv ice Unit (MISU)
The MISU p rov ide s the circuitry to interface misce llane ous typ e inputs/
outp uts . T his boar d i s opt ion al a nd i nst al ls in t he p er ip her al c ar d sl ot ne xt
to the M P B . Thi s b o ar d al so su pp o rt s a ddi ti o nal s er ia l p o rt s by i nst al l ing
an o pti onal S IU modul e.
Wiring/Pinouts/Connections-- The MIS U cont ai ns the ci rcui tr y to
supp ort 2 e xte rnal pag e p orts, 4 re la y contacts, and 2...

Pe rip hera l Bo ards 10-11
Pe ri p h e r a l B o ar ds
Peripheral boards provide the interface from system PCM ports to
stations or the switching ne twork. T he p erip heral cards may be placed in
any univ er sal ca rd sl ot in ei the r th e Ba si c Cab ine t or Exp ansi on C abi net .
The se car ds ar e d escr i bed as fol lows :
CO Line Interface Board - Loop Start (LCOB)
The LC OB int er fac e s six (6 ) l oop s ta rt C O l i nes to th e s yst em and c an b e
plugged into any d es igna te d p eriph...