Vodavi Triad 1/2/3 Installation Manual

2-10 K SU & Po we r Suppl y ( PSU) Inst al l atio n
Fi gure 2-4 :Triad 1KSU Mounting Holes and Installation Layout 

KS U and Power S upply (PS ) Inst allation 2 -11
KSU and Power Supply (P S) Installation
TheTr iad 2Sys tem cons ists of a Bas ic KSU (BKSU) a nd Expans ion KSU
(EKS U). T he bas ic exterio r of theTri ad 2Sy st em is shown inFigure 2 -2.
Mounting theTr i a d 2Basic KSU
The Bas ic KSU is a me tal frame cabinet d esigne d f or w all m ounting.
Emp loying the KSU mountin g temp late provided with the BKSU , ma rk
the location of the two screws to mount the BKSU. Again, the KSU must
NOT be moun ted on a mas...

2-12 KS U and Po wer Suppl y ( PS) Inst al l atio n
Figure 2-5:Tr i ad 2Ba sic KS U Back w/ Mounting Pla te E xtended 

KS U and Power S upply (PS ) Inst allation 2 -13
Fi gure 2-6 :Triad 2KSU Mounting Holes and Installation Layout 

2-14 KS U and Po wer Suppl y ( PS) Inst al l atio n
Mounting the Expansion KSU (EKSU)
The E xpans ion KSU is a m etal housing des igned f or wall m ount
installation. If required, an EKSU is mounted on the right side of the BKSU.
1. Before mounting the Expansion KSU, remove the KSU
Interconnection C ov er on the righ t s id e of the Basic KSU.
2. Mount the E xpans ion KSU on the scre ws and tighten the screws
securely.
3 . Mount the 2 s ide br acke t s b et wee n t he Basi c an d Ex pans ion KSUs.
4....

KS U and Power S upply (PS ) Inst allation 2 -15
Figure 2- 8: Connection of BKSU and EKSU 

2- 16 Ri ng Gen era to r Ins tal l at i on (R GU )
Rin g Gene rator Installatio n (RGU)
The Ring Generator Unit is needed in the BKSU where a SLIB is to be
installed, to provide ring voltage and Message Wait source power.
According to the installation site, two types of RGUs are available:
External a nd Internal.
†The external RGU is mounted outside the KSU to the wall with the
two screws provid ed and is connecte d to the system back plane via
the C N12 (PC B lette ring) connector.
†The inte rna l RGU...

Ring Gene ra tor Ins tallat ion (RG U) 2 -17
Figure 2-9: Ring Ge nerator Installation
IN TERN AL
RGU
EX TERN AL RG UCN12 CONNECTOR
Internal RGU supports up to two (2)SLIB
Boards.
B eyo nd tw o b oard s req u ires th e Ex tern al
RGU in place of the Internal RGU. 

2-18 Pow er Suppl y Unit Inst al l atio n
Po we r S u pp l y Un it In s t a l la t i o n
The Power Supp ly Unit p rovides p ower for the sys tem b oards and
telephones, converting AC voltage input to a ppropriate DC volta ges .
Before I nstallati on:
†As su r e tha t t he A C p lu g co nnec t ed to th e B K S U i s N OT plu gged int o
the A C o u tl et .
†Place the PSU in the le ft mos t slot in the BKSU , alignin g the card
gu i des wi th the P SU P CB a nd P S U fr ame fl ange s.
The PSU can operate...

Powe r Supply Unit I nst alla tion 2 -19
Figure 2-10: Installation of Power Supply Unit ( PSU)
Tr iad 1CARD
GUIDES
Tri ad 2CARD
GU ID E S