Vodavi Triad 1/2/3 Installation Manual

Prelimina ry Proce dures 4-3
Preliminary Procedures
1. Make sure th at the Ba sic Key Service Unit (BKSU) is properly
grou nded.
2. Verify that all PCBs are firmly plugged into the correct card slot
positionsorexpandermodulesarefirmlyseatedonto their
connectors.
3. Ins pect the MDF for shorted wiring and improper p ola rity that would
affect the Digital Terminal or DSS console.
4 . M ake c er t ai n t hat t he li th iu m bat te r y s wit c h o n the M as te r Pr o c es so r
Boa rd (MPB) is s et to the ON...

4-4 Po we r Up S equence
Ta ble 4- 1: Powe r S upply Tes ts
Voltage Designation Voltage Reading Test Point Location
117 Vac +1 17 Vac,
±10%Co mmer ci al Powe r Sou rce
Note: The power supply is preset at the time of manufacturing, but should be
checked at system initialization with a digit al volt meter having an accuracy of ±1%
Tabl e 4 -2:Tri a d 3DCCU Te st Points
Voltage Designation Voltage Reading Test Point Location
+5V dc
±5%Front P anel
-5 V dc
±5% 

5
Maintenance and
Troubleshooting
This chapter is provided as a guideline in isolating and resolving
functional problems that may be encountered as a result of improper
use or component failure of theTriad 1/2/3S y s t e m s. Ot h e r f ai l u r e s,
such as no dial tone from the central office, must also be considered
as an overall troubleshooting procedure. 

Syst em Programmin g and Verificat ion 5-3
System Programming and Verification
Sys te m op er at ion shoul d b e v er if ie d as pe r th e p rogr amm ed c ust omer
dat aba se once al l cu sto mer dat aba se prog ra mming has b ee n compl et ed.
A hard cop y of the customer databa se can be printed from the sys tem
and shoul d b e k ept on- si te an d up to dat e for fut ure r ef er ence .
TheTriad 1/2/3Sys te ms a re highly fe ature d digital switche s and as such,
fea ture activ ation ca n s ometim es...

5-4 Telephone a nd Termina l Trouble shooting
Telephone and Terminal Troubles hooting
This section discusses general functions on a variety of key telephones
and te rm ina ls ava il abl e for use on the s yst em. I t is ass ume d t hat ba sic
troubles hooting skills in the iden tifica tion a nd res olution of bas ic
pr oble ms ar e alr ea dy p osse ss ed (e. g. s ta ti c / nois e he ar d on c onve rs at ion,
one phone only; Re place worn hand set cord).
Ke ys et S e lf Te s t
TheTriad 1/2/3Sys tems con...

Key s et S el f Tes t 5- 5
Keyset LC D/LED Te st
This test outputs a series of continuous ly repeated L CD string m ess ages
to LCD lines 1 and 2. The set of strings consists of the lettersAth ro u ghX
andath ro u ghx.Thenextsetofstringsare:
The st r ing s a re al te r nat el y di sp lay ed on l ine s 1 a nd 2 of t he L CD dis pl ay.
Keyset Button Test
1. Press a keyset button to turn on the LED and display an LCD message
id ent ify ing th e b utt on num ber.
Eac h ti me t he sel ec te d bu t t o n i s p...

5-6 Keys et Self Tes t
2 . Pr es s t he di al pa d ke ys to dis pla y an LCD mes sage t hat i ndi cate s
wh ic h d igi t was pr es sed.
Depress ing the H- T- P switch from one pos ition to another d is pla ys
one the fo llowing word s: H_POS, T_POS, or P_POS.
3 . Te st LE Ds in depe nde ntl y of t he Keys by pre ss ing the fl e x LE D but t on.
DSS LED/Button Test
When the DSS test is selected and a DSS test is invoked, ALL DSS units
associated with the keyset are placed in the test mode.
If no D SS unit...

Key s et S el f Tes t 5- 7
Key Tele phones/Te rminals
The following actions apply to multi-line key telephones:
Tabl e 5 -2 : Key Te le pho nes /Termi nal s
Func ti o n Faul t O pti o ns
No Pow er to Keyset Veri fy t hat keyset i s co nnect ed t o c orr ect type of
station card (digital or ele ctr onic.
No Ha n ds f r e e Ans w e r-b ac k on
in terc omOn d ig ital key sets, t he mo d e of in terc om an swer i s
p rog ra mm ab le.
On el ect ronic keyset s, make sure t he i nter co m
mo de sw itc h i s in...