Toshiba CTX28 Telephone User Manual


 
PCB Installation
BIOU – Option Interface Units
Strata CTX I&M 06/04 6-9
PCB Installation
BIOU – Option Interface Units
Circuits per PCB:
(see interfaces)
Interfaces with:
three music-on-hold sources, system page and control relays
Older Version(s):
none
The BIOU provides a Paging Output (amplified and non-amplified), four zone paging relays, three
Music-on-hold (MOH) interfaces and four control relays (Night Transfer, Night Bell and
Background Music (BGM) mute). One or two BIOUS can be installed in a Strata CTX.
BIOU controls, indicators, and interface connectors are shown in Figure 6-5 and described in
Table 6-4.
BIOU Installation
³ Insert the BIOU (component side facing right) into any available PCB slot in the cabinet. See
“Worksheet 6: Strata CTX670 Cabinet Slots” on page 2-37. Apply firm, even pressure to
ensure proper mating of connectors.
Figure 6-5 BIOU PCB
5805
BIOU1A
600/600
600/600600/600
600/600
B B B B N.C
MMMM
N.O
Mu A
SW1
SW600
MOH3 MOH2 MOH1 SP
SP0 SP1
MOH3 MOH2 MOH1 SP
SW600
SP0 SP1
BBBBN.C
MMMM
N.O
Mu A
SW1
J3 J2 J1
SW100
Control Relay
Jumpers