Vodavi Triad 1/2/3 Product Description Manual
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11-1 4 Peripheral B oards Ground Start (GCOB) Trunk Board The GCOB board provides the interface to eight CO, FX, or WATS trunks. †Each trunk circuit contains a hybrid, 2-wire interface circuit a nd control circuitry. †TheoperationforPulseDialingorDTMFsignalingcanbedoneona per circuit basis. †Each circuit has an LED indicator that gives trunk status. †Each trunk circuit can be disab led as well as the card. †A Normal/S erv ice switch loca ted toward the top of the card a llows thecardtobeinserted/removedfromthesystemwhileunderpower. †The CO line s a re conne cte d v ia a 50-pin m ale a mphe nol con nector loca te d on the front ed ge of the card. †The c ar d c a n ac c e pt a D TM F- B uni t in a d aught er boa rd ty pe ar ra ngeme nt . †The card ejector ta bs a re color cod ed white.
Pe rip hera l Bo ards 11-15 Figure 1 1 -6: GCOB (CO/F X/WA TS T runk Board)
11-1 6 Peripheral B oards DI D Tru nk B o a rd ( D I DB ) The DIDB board p rov ides the interf ace to eight (8) loop D irect Inward Di al ing (DI D) t r unks. †Each of the trunk circuits conta in a hyb rid, 2-wire interface circuit, and control circuitry. †TheoperationforPulseDialingorDTMFsignalingcanbedoneona per circuit basis. †Each CO Li ne ci rcui t has an LED i ndica tor t hat gi ves t run k st at us. †A Normal/S erv ice switch loca ted toward the top of the card a llows thecardtobeinsertedorremovedfromthesystemwhileunder power. †Each trunk circuit can be disab led as well as the card. †The CO lin es a re connected via a 50- pin male cham p (amp henol type ) connector loca ted on th e f ront edge of the card. †The c ar d c a n ac c e pt a D TM F- B uni t in a d aught er boa rd ty pe ar ra ngeme nt . †The card ejector ta bs a re color cod ed white.
Pe rip hera l Bo ards 11-17 Figure 11-7: DIDB (Direct Inwa rd Dialing Boa rd)
11-1 8 Peripheral B oards T- 1 In t e r f a c e B o a r d ( T 1 I B ) The T 1I B boa rd al lows t he net wor k c onne c ti on t o a T- 1 1. 54 4 MB dig it al int e rfa c e. †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 ls o sup por te d. †The boa rd can s upport T IE , Loop and Groun d start s igna ling emul at io n pe r c hanne l. †The bo a rd re qu i re s a n ex te rna l CSU u ni t. †The board ha s a 15-pin D -Sub connec tor for connection to a CS U unit. †A Normal/S erv ice switch loca ted toward the top of the card a llows thecardtobeinsertedorremovedfromthesystemwhileunder power. †The T 1IB card ca n acce pt up to two (2) DTMF -A units in a daughter boar d t yp e a rr ange me nt †The Phas e Lock Loop unit (PLLU) must b e i nst al le d on t he MPB i n ord er for the T1IB board to op erate properly. †The card ejector ta bs a re color cod ed white. Th is boar d can on ly b e ins ta lle d in th e Bas ic C abi ne t (B KSU ) Sl ots 0-8. A max imum of six (6) T1I B boar ds c an be install ed i n the sy s t em .
Pe rip hera l Bo ards 11-19 Figure 11-8: T1IB (T-1 Trunk Board)
11-2 0 Peripheral B oards Primary Rate Interface Board (PRIB) The PRIB allows the network connection to a Primary Rate ISDN digital int e rfa c e. †ThisboardsupportsExtendedSuperframe(ESF)formatandB8ZS li ne c odin g. †The boa rd can s upport T IE , Loop and Groun d Start s igna ling emul at io n pe r c hanne l. †The bo a rd re qu i re s a n ex te rna l CSU u ni t. †The board ha s a 15-pin D -Sub connec tor for connection to a CS U unit. †A Normal/S erv ice switch loca ted toward the top of the card a llows thecardtobeinsertedorremovedfromthesystemwhileunder power. †The PRIB card can accept u p t o t wo (2 ) D TMF- A unit s in a da ught er boar d t yp e a rr ange me nt †The Phase Lock Loop unit (PLLU) mus t be i nst al le d on t he MPB for t he PRIB to op erate p roperly. †The PRIB uses 24 time slots when installed. †The boa rd does not s upport the trunk f eatures of Paging, Re se ize, Que ui ng, or RAN S uppor t . †The card ejector ta bs a re color cod ed white. The PRI bo ard can on ly be in sta lle d i n the Basic C abin et (BKS U) S lot s 1-8. A ma ximum o f six PRI bo ards can be insta lled in the system (138 B c hann el s). The PR I boar d onl y s uppo rts t he N ation al IS DN 2 (N I-2) s ta ndar ds . Vo daviha ssuccessfullyintegratedit sPRIISDNwiththeLucent 5 ESS, Siemens, Stromburg Carlson, and the DMS100 Central Offices. Vo dav i ISDN sho uld wor k with all C en tral Office swi tche s, b ut thi s has no t bee n v eri fi ed. The re fore, some del ays in se rvi ce ma y be ex pe rie nce d.
Pe rip hera l Bo ards 11-21 Figure 11-9: PRIB (PRI Trunk Board)
11-2 2 Peripheral B oards Basic Rate Interface Board (BRIB) The BRIB allows the network connection to a Basic Rate ISDN digital int e rfa c e. †The boa rd can s upport T IE , Loop and Groun d Start s igna ling emul at io n pe r c hanne l. †TheboardusestheUinterfaceoftheBRIstandard. †Conne ction to the ne twork is made via RJ 45 conne ctors on the fron t edg e of the board. No NT1 d evice is required to connect to th e cent ra l offi ce . †A Normal/S erv ice switch loca ted toward the top of the card a llows thecardtobeinsertedorremovedfromthesystemwhileunder power. †The BRI B car d can accep t up t o t wo (2 ) D TMF- A unit s and one BRI B-E in a d aught er boa rd ty pe ar ra ngeme nt . †The Phase Lock Loop unit (PLLU) mus t be i nst al le d on t he MPB for t he BRIB to op erate p rop erly. †The BRIB use s e ig ht time slots whe n installe d. †The boa rd does not s upport the trunk f eatures of Paging, Re se ize, Que ui ng, or RAN S uppor t . †The card ejector ta bs a re color cod ed white. T he BR IB can only be in st alle d in th e Bas ic C ab ine t (B KSU ) S lots 1-8. A m aximu m of eig ht BRI b oard s ca n be i nstall ed in the sy ste m (64 B c hannel s). T he B RI boa rd onl y s uppo rts the N ation al IS D N 1 (N I-1) sta ndar ds . Vo dav i h as succe ssful ly inte gra ted its BR I I SD N wi th the Lu cen t 5 ESS Ce ntr al O ffi ce. V odav i IS DN sh ould w ork wi th all Ce ntra l Office switch es, but th is has not b ee n ve rifie d. The refor e, some d el ays in serv ice may b e ex pe rie nce d.
Pe rip hera l Bo ards 11-23 Figure 11-10: BRIB ( BRI Trunk Board)