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Peripheral Installation
External Page with BIOU Interface
12-10 Strata CTX I&M 06/04
External Page with BIOU Interface
Up to two BIOU interfaces can be installed for connecting external page equipment. Each BIOU
can provide up to four unique page zones for a total of eight page zones maximum per system. The
BIOU interfaces can be installed in the main cabinets and/or any remote cabinet. Each BIOU
provides a 600ohm, non-amplified page output and an 8 ohm, 3-watt amplified page output. Only
one type of page output, amplified or non-amplified, can selected per BIOU in a given installation.
The BIOU also provides a control relay which can be used to mute external BGM when the
external page circuit is active (see Figures 12-8~12-12 for connection diagrams).
Figure 12-9 Single Zone Page Options
A separate external BGM source can be connected to a building’s external Page speakers using the
BIOU interface. This enables the BGM sent over the external page speakers to be different from
the BGM sent to telephone speakers (see Figures 12-10) for separate BGM over external Page
connections).
Figure 12-10 Separate BGM Over External Page
SW600 (Select SPO or SP1)
System
Back Plane
5605
BIOU (1 or 2)
SPTO 38, BK-GN
SPRO 13, GN-BK
Jacketed
Twisted Pair
24 AWG
66 Block Wiring
Page, BGM
or Night Ringing
switched in by
System Processor
HESB
or
External
Amplifier
and Speaker
(8ohm minimum)
HESB
or
External
Speaker
600Ω
Transformer
SPT1 50, V-S
SPR1 25, S-V
SPO
SP1
Level Control
3 Watt Amplifier
SP
BGM Mute Relay
2
1
Night Ring
and Page
from KSU
Backplane
600Ω
SPT (38) BK-GN
GN-BK
Input 1
Output
External
Paging Amp
M
BGM
Music
Source
Mute 2
Input 2
B
BIOU (1 on 2)
SPR (13)
MDF
5601