Vodavi Triad 1/2/3 Installation Manual

3-68 CO/ PBX Conne ctions
ISDN and T1 Clocking
When combining BRIB, PRIB, and T1 cards in one KSU, specific settings
and cabl ing ar e imp ort ant for p rope r clocki ng. The Phas e Lock Loop Uni t
(PLLU) synchronizes the clock ing from the Central Office to the clock ing
oftheKSU.Popping,crackling,droppedcalls,andone-waytransmission
ar e u sual ly at tr i but ed to the c l oc king not be ing sync h roni ze d cor r ec t ly.
Exa mples - Set ting s an d C abling
The following exa mples cla rify the...

CO/PBX Conn ections 3 -69
(1) PRIB and (1) BRIB
Ins ta ll with the ca ble a nd s et both PRIB an d BRIB switche s to the e nable
posi t ion (ON ).
(1) T1IB and (1) BRI B
If both cards in a phone switch are connected to a telephone compa ny
clock (not point- to -point T1), put the T1 clock switch in th e enab le
position ( ON) to a llow it to receiv e clockin g from the telephone company
directly. Do not install the clock cable.
Se t the BRIB clo ck switch in the d is able position ( OFF ), which allows...

3-70 CO/ PBX Conne ctions
(2) PRIB s and (3) T1IBs
The clock cable should be connected to the OUT position on the
connector on the PRIB1. The clock cable should b e conn ected to the IN
position on PRIB2. SW2 of the PRIB1 and PRIB2 shou ld be placed in the
ON position. The three T1IBs are not connected with the clock control
cabl e and SW3 on the se boa rds sh ould be in th e O FF pos it ion .
(3) T1IBs and (2) PR IBs
The clock cable should be connected to the OUT position on the cable
connector on the...

CO/PBX Conn ections 3 -71
(3) PRIB S and (2) BRIBs
TheclockcableshouldbeconnectedfromtheOUTpositionofthePRIB1
to the IN con nectors of all the cards and all clock s witches sh ould be in
the ON position.
(3) T1IBs and (2) B RIBs
TheclockOUTcablefromT1IB1shouldbeconnectedtotheclockIN
cable of the T1IB2 a nd the clock OUT cab le from T 1IB2 sh ould be
connected to the clock IN cable of T1IB3. SW 3 of T1IB1 should be in the
ON position, and SW3 of T1IB2 and T1IB3 should be in the OFF position.
The two BRIBs...

3-72 St at ion Conne ctions
St a t io n C o n n e c ti o n s
The peripheral boards provide the interface from system PCM ports to
st at ion.
Ele ctr on i c Tel eph on e Int e rf ace Bo ard (ET IB)
This board p rovide s the inte rf ace to twe lv e (12) e le ctronic teleph ones or
DSS /DTS terminals. The card ha s on e L ED indicator for off- hook/in use
status. The ET IB can b e ins ta lled or re move d und er sy stem power. The
car d e xtr act ors ar e color code d g re en.
The re is o ne 50-pin f ema le...

Sta tion Connections 3 -73
Tabl e 3- 19 : E TI B W i ri n g
Pair PIN # Color Description Pair PIN # Color Description
126
1WH/ BL
BL /W HRI NG
TIPCKT1 15 4 0
15BK/ SL
SL/BKRI NG
TIPCK T 8
227
2WH/OR
OR /WHDATA-R
DATA-T16 4 1
16YL /B L
BL /Y LDATA-R
DATA-T
328
3WH/GN
GN/WHRI NG
TIPCKT2 17 4 2
17YL /O R
OR/YLRI NG
TIPCK T 9
429
4WH /BN
BN /WHDATA-R
DATA-T18 4 3
18YL/GN
GN/YLDATA-R
DATA-T
530
5WH /S L
SL/WHRI NG
TIPCKT3 19 4 4
19YL /B N
BN /Y LRI NG
TIPCKT10
631
6RD /B L
BL / RDDATA-R
DATA-T20 4 5
20YL /...

3-74 St at ion Conne ctions
Figure 3-26: Electronic Telephone Interface Board (ETIB) 

Sta tion Connections 3 -75
Sin gle Li ne In t er face Board (S LIB)
This board provides the interface to twelve (12) 2500-type telephones.
The S LIB signals interface with mecha nica l 90V ring ers a nd lig hts 90V
messagewaitinglampson2500setsasdesired.TheSLIBboardhasone
LED i ndic a to r fo r s ta tu s . A N o rma l/ Se r vic e sw it c h l o c at ed to wa rd th e t o p
of the card allows the card to be inserted or removed from the system
while unde r powe r a nd a ls o can be use d to disa ble all...

3-76 St at ion Conne ctions
Ad ju sti n g Mo dem S ett in gs
When using modems conn ected to single line telep hone ports on the
Tri a d 1 /2 /3, the gain s ettings on the S LT p ort wh en us in g T1 a s a ccess to
the C O shoul d be s et to 0 dB (maxi mi ze s the mode m s pee d).
COtoSLT CallviaaT1TIETrunk:
1. Access the s pecific trunk ty pe above.
2 . Hookfl as h and di al 6 38 8 on the ke ypa d.
3. Hang up.
COtoSLT CallviaaT1Trunk:
1. Access the s pecific trunk ty pe above.
2 . Hookfl as h and di al...

Sta tion Connections 3 -77
Tabl e 3 -20 : S LI B W ir i n g
Pair PIN # Color Description Pair PIN # Color Description
126
1WH /BL
BL /W HRING
TI PCKT1 14 39
14BK/BN
BN/BK
227
2WH /O R
OR /W HRING
TI PCKT2 15 40
15BK/SL
SL/B K
328
3WH/GN
GN/WHRING
TI PCKT3 16 41
16YL/BL
BL/YL
429
4WH /B N
BN /W HRING
TI PCKT4 17 42
17YL/OR
OR /YL
530
5WH /S L
SL/WHRING
TI PCKT5 18 43
18YL / GN
GN /Y L
631
6RD/BL
BL/RDRING
TI PCKT6 19 44
19YL /B N
BN /YL
732
7RD / OR
OR/RDRING
TI PCKT7 20 45
20YL /SL
SL/YL
833
8RD /G N
GN...