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Base Sta tion Link
This RJ-45 type jack al lows the con nec tion of wire less talk
around (WTA) to two base sta tions of the same fre quency
bands. This al lows WTA on I/C chan nel A and WTA on I/C
chan nel B to be the car ried through to the other base sta tion
at tached to gether via this jack.
WTA chan nel A and chan nel B is “con tained” within a base
sta tion un less the trans mit power is off. If it is off, the WTA
au dio is routed through the base sta tion link ca ble to the other
base that has its trans mit ters on.
A ca ble to ac com plish this task is NOT sup plied, but can eas --
ily be made with com mon cat e gory 5 (CAT-5) wir ing.
In fact, the most com mon 10BaseT ether net patch ca bles,
568-B wired ca bles, can be used to con nect bases to gether.
The re quired ca ble is shown be low.
The reg u lar two-wire in ter com chan nels are passed from base
to base via the wired in ter com ca bles and do not re quire the
base sta tion link ca ble.
5-11
RECEIVE
HIGH
ON
NORM
OFF
TRANSMIT
POWER
I/C
TELEX CLEARCOM
RTS
BTR-800
FCC ID: B5DM514
CANADA 1321231218A
BASE STATION
LINK
RELAY
CONTACT
INTERCOM A
2 WIRE
L
O
O
P
T
H
R
U
4 WIRE
INTERCOM B
2 WIRE
L
O
O
P
T
H
R
U
4 WIRE
AUXILIARY AUDIO
INPUT OUTPUT
STAGE ANNOUNCE
OUTPUT
POWER
100-240 VAC 50-60 Hz
TRANSMIT
MADE IN USA
PUSHPUSHPUSH
Telex
Telex Communications, Inc.
RECEIVE
HIGH
ON
NORM
OFF
RECEIVE
HIGH
ON
NORM
OFF
TRANSMIT
POWER
I/C
TELEX CLEARCOM
RTS
BTR-800
FCC ID: B5DM514
CANADA 1321231218A
BASE STATION
LINK
RELAY
CONTACT
INTERCOM A
2 WIRE
L
O
O
P
T
H
R
U
4 WIRE
INTERCOM B
2 WIRE
L
O
O
P
T
H
R
U
4 WIRE
AUXILIARY AUDIO
INPUT OUTPUT
STAGE ANNOUNCE
OUTPUT
POWER
100-240 VAC 50-60 Hz
TRANSMIT
MADE IN USA
PUSHPUSHPUSH
Telex
Telex Communications, Inc.
RECEIVE
HIGH
ON
NORM
OFF
LOAD LOAD
Fig ure 27
Two Stand Alone Base Sta tions Con nected To gether
1
2
3
4
5
6
7
8
WTA A+
WTA A-
WTA B-
WTA B+
1
2
3
4
5
6
7
8
WTA A+
WTA A-
WTA B-
WTA B+
CABLE: ANY CATEGORY 5 TYPE
CABLE LENGTH: KEEP AS SHORT AS POSSIBLE
RJ-45 MALE
RJ-45 MALE
Fig ure 28
Base Sta tion Link Ca ble
RECEIVE
HIGH
ON
NORM
OFF
TRANSMIT
POWER
I/C
TELEX CLEARCOM
RTS
BTR-800
FCC ID: B5DM514
CANADA 1321231218A
BASE STATION
LINK
RELAY
CONTACT
INTERCOM A
2 WIRE
L
O
O
P
T
H
R
U
4 WIRE
INTERCOM B
2 WIRE
L
O
O
P
T
H
R
U
4 WIRE
AUXILIARY AUDIO
INPUT OUTPUT
STAGE ANNOUNCE
OUTPUT
POWER
100-240 VAC 50-60 Hz
TRANSMIT
MADE IN USA
PUSHPUSHPUSH
Telex
Telex Communications, Inc.
BASE STATION
LINK
Base Sta tion - Rear Panel