Vodavi Triad 1/2/3 Installation Manual

2-40 CO/ PBX Conne ctions
The sy st em can b e e qui ppe d wi t h t wo (2 ) T -1 I nte rf ace Boar ds a nd t he
T1 IB c an b e i ns tal l ed in Sl o ts 0 t hru 2 in theTr iad 1Basic KSU, while the
T1 IB c an b e i ns tal l ed in Sl o ts 0 t hru 5 in theTr iad 2Basic KSU. The Pha se
Locke d Loop Uni t (PLLU) must be i nst al le d on the MPB whe n t he T1I B i s
ins ta lled . T he DTMF4- A board which contains 4 DTMF receive rs can be
optiona lly installed on the T 1IB.
The clock control cab le s hould be...

CO/PBX Conn ections 2 -41
†Thi s b oar d su ppor t s s ta ndar d D4 f ram ing for mat wi th rob bed bi t
si gnal ing. Ex te nded Sup er Fr ame (E SF) for mat i s a lso supp or te d.
†The bo a rd re qu i re s a n ex te rna l CSU u ni t.
†The T -1 boar d ca n acce pt t wo (2 ) DT MF4 -A uni t s i n a daug hte r boar d
ty pe arra ngeme nt. E ach unit has 4 DT MF Re ceivers ins ta lled on it.
Thi s b oar d can be in st all ed on t he SL IB, and T1 IB boar ds.
†The boa rd h as a 15- pin D S ub conne ctor f or...

2-42 CO/ PBX Conne ctions
The following ta ble s ummarize s the ope ration of the s ystem.
Ta b l e 2 - 8 : C a l l R o u t i n g C r i t e r i a
ANI DNIS Operation
N N Calls routed based on normal CO operation (CO Ring Assignments.
N Y C a lls r ou ted ba sed on D ID ta b les wi th DI D op era tio n.
Y N C a lls r ou ted ba sed on IC L ID ro ut ing a n d I CL I D o p era tio n.
Y * Y C a lls r ou ted on IC L ID first , if n o ro ut e is fo un d, t he D NI S d igi ts a re
c omp a red to th e DI D t a bl...

CO/PBX Conn ections 2 -43
T-1 Orderin g In form atio n:When ordering a T-1 circuit from a carrier,
re que st eithe r D 4 fram ing a nd Alternate Mark Inve rs ion (AMI) Line coding
using the superframe (SF) or the Extended Superframe (ESF-B8ZS) format.
The following are additional ordering information specifications:
Tab l e 2 -10 : T-1 Or d er i ng S p eci f ic at io n s
If o rd e r in g…ANI/DNIS/
DID/TIELoop S ta rt/
Ground Start Signaling*
C irc ui t In f or ma ti on 2 wir e 2 wi re
Sup erv iso ry Sig...

2-44 CO/ PBX Conne ctions
Figure 2-17: T-1 Clock Connect Cable Installation (Multiple Cards)1
SW-3
CT R L
CL KO U T
CT R L
CL K IN
CO N 3T1- 2DN T1-3
45678
UP
T-1 Lines from Tel co
Clock Cable
In the case of a Master system , the cl ock
cable does not get connected and SW3 on
a ll T-1 Bo a rd s is in th e d own p osi tio n. Two
(2) T-1 Cards maximum in the system.
MULTI PLE CA RD ARR ANGEMENT 

CO/PBX Conn ections 2 -45
Figure 2-18: T- 1 Clock Connect Cable Installa tion (Single Card)
1
SW-3
CON3T1-2 T1 -3
45678
UP
T-1 Li nes from Telco
SINGLE CARD ARRANGEMENT 

2-46 CO/ PBX Conne ctions
In sta l li ng t he DT MF- A Modu les
1. Unpack the DTMF-A Modules from their antistatic conductive bags in
the p ac ki ng b oxe s.
2 . Locat e t he CO NN5 and CO NN6 conne ctor s on t he DTMF -A modul e s.
3. Locate the CON4, CON5, CON8 and CON9 connectors on th e T1IB
(outlined).
4. Pos ition one of the DT MF-A m odule s so that the CON N5 and CON N6
connectors match up with the CON8 and CON9 connectors on th e
T1IB respectively.
5. Pus h the DT MF -A mod ule onto thes e conn...

CO/PBX Conn ections 2 -47
Figure 2-19: T1IB w/DTMF4_A Module Installation
DT
M
F-
A
D
T
M
F-
A
CONN6
CONN6
CO N 9
CO N 8CO N 5
CO N 4 

2-48 CO/ PBX Conne ctions
Primary Rate Interface Board (PRIB)
This interface provides one Prima ry Rate Interface circuit. Each circuit
conta ins 23 bea re r and one data cha nnel (23B+D ). W hen a PRIB card is
progra mmed into theTr iad 1/ 2sys te m, t he sy st em int er pr et s all
B chann els a s trunks. Thus , one PRIB which contains 23B+D circuits
pr ovid es 23 l i ne appe ar ance s t o t heTri ad 1/2s ystem. A ma ximum of two
PRIB b oards m ay b e ins talled into the sys te m. The PRIB card use s...

CO/PBX Conn ections 2 -49
Fi gure 2 -2 0: PRIB ( Pri m ary Rat e Inte rf ac e Bo ard)
The PRIB is off ered as a s ta nd-alone card or a s a kit which include s the
PRIB, CSU , an d cab les.
Basic Rate Interface Board (BRIB)
This interface provides four Basic Rate Interface circuits. Each circuit is
compris ed of two b earer ( 64Kbps ea ch) an d one da ta (16Kbp s) cha nnels
(2B+ D). Whe n a BRIB is p rogram med into theTr iad 1 /2sys te m, t he syst e m
inte rprets all B channe ls as trunk s. Thus , one...