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4W In ter com Ports
The base station can con nect to a 4-wire sys tems via the RJ-11
jack la beled “4 WIRE”. The pinout for this jack may be seen
in fig ure 6-4. For a de scrip tion of how to set up the 4 Wire
Jack re fer to in ter com set tings in this sec tion. The 4 Wire jack
is for bal ance in put and out put sig nals.
Fig ure 6-4
Pinout of the 4-Wire Jack
Aux il iary port
This jack al lows a bal anced in put aux il iary sig nal to be placed
into the base sta tion. It also al lows a bal anced out put sig nal to
be brought out of the base sta tion. The in put sig nal can be
soft ware se lected to be lo cal or global. A lo cal in put sig nal is
only heard at the base sta tion’s lo cal head set and beltpack. A
global in put sig nal is heard thoughout the in ter com sys tem(s)
the base sta tion is cur rent con nected to via the se lec tion of the
beltpack’s A, B or C but ton. The pinout for this jack is in fig --
ure 6-5.
Fig ure 6-5
Pinout of the Aux il iary Jack
CAN Bus
The CAN bus al lows the con nec tion of mul ti ple base sta tions
to a Fre quency Man ager. The Fre quency Man ager then can be
use to set all the base sta tions to a fre quency plan plus set a
va ri ety of other op tions on the base sta tion. The base sta tions
then can pro gram their beltpacks via an over-the-air link. Thus
a whole sys tem can be set-up with only a few but ton presses at
the fre quency man ager. Each fre quency man ager can con trol
up to 10 base sta tion.
The CAN bus ca ble starts at the Fre quency Man ager and then
pro ceeds to the first base sta tion. From the first base sta tion,
the CAN bus daily chains though all the base stations, stop --
ping fi nally at the Fre quency Man ager. Both base sta tion
RJ-45 CAN bus con nec tors are wired in par al lel so it does not
mat ter which jack is used for the in put or out put ca ble. See
Fig ure 6-6 below for a sam ple rout ing of the CAN bus ca ble.
NOTE: For clar ity the power, in ter con nect, and TX/RX ca --
bles are not shown in the fig ure.
Re lay
A soft ware selectable re lay clo sure is avail able at the base sta --
tion. The re lay is nor mally open. How ever the base sta tion
soft ware op tions can be set so the re lay closes when the
beltpack’s “C” but ton is pushed. The re lay sche matic is shown
in Fig ure 6-7.
Fig ure 6-7
Re lay Sche matic
A “Phoe nix” type con nec tor (sup plied) plugs into the re lay
con tact port on the base sta tion. This con nec tor pro vides a
screw-type clo sure for an easy con nec tion to wires.
Fig ure 6-8
Re lay Con tact Jack Adapter
6-4
NC
AUDIO IN +
AUDIO OUT +
AUDIO OUT -
AUDIO IN -
NC
PIN 6 5 4 3 2 1
NC
AUDIO IN +
AUDIO OUT +
AUDIO OUT -
AUDIO IN -
NC
PIN 6 5 4 3 2 1
PIN 1
PIN 2
1
2
PHOENIX
TYPE
CONNECTOR
NC = Not Con nected
NC = Not Cnnected
POWER
100-240 VAC 50-60 Hz
TERMINATIONOUT
CAN BUS
RadioCom
FM-1
SYSTEMS MANAGER
P/N: 879830
S.N.: 0001
Telex Communications, Inc.Telex Communications, Inc.
8601 East Cornhusker Highway, Lincoln, NE 68507
Made in U.S.A.Made in U.S.A. 803995
TM
ANT
CAN BUS
RCV
RELAY
AUX MATRIX
LOOP
THRU
Telex
TELEX COMMUNICATIONS, INC.
2 WIRE INTERCOM
1
2
3
4
ANT
TRAN
12-15V AC/DC
1 AMP
BTR-1
PATENT NO. 6,373,951 B1
MADE IN U.S.A.
ANT
CAN BUS
RCV
RELAY
AUX MATRIX
LOOP
THRU
Telex
TELEX COMMUNICATIONS, INC.
2 WIRE INTERCOM
1
2
3
4
ANT
TRAN
12-15V AC/DC
1 AMP
BTR-1
PATENT NO. 6,373,951 B1
MADE IN U.S.A.
ANT
CAN BUS
RCV
RELAY
AUX MATRIX
LOOP
THRU
Telex
TELEX COMMUNICATIONS, INC.
2 WIRE INTERCOM
1
2
3
4
ANT
TRAN
12-15V AC/DC
1 AMP
BTR-1
PATENT NO. 6,373,951 B1
MADE IN U.S.A.
ANT
CAN BUS
RCV
RELAY
AUX MATRIX
LOOP
THRU
Telex
TELEX COMMUNICATIONS, INC.
2 WIRE INTERCOM
1
2
3
4
ANT
TRAN
12-15V AC/DC
1 AMP
BTR-1
PATENT NO. 6,373,951 B1
MADE IN U.S.A.
ANT
CAN BUS
RCV
RELAY
AUX MATRIX
LOOP
THRU
Telex
TELEX COMMUNICATIONS, INC.
2 WIRE INTERCOM
1
2
3
4
ANT
TRAN
12-15V AC/DC
1 AMP
BTR-1
PATENT NO. 6,373,951 B1
MADE IN U.S.A.
ANT
CAN BUS
RCV
RELAY
AUX MATRIX
LOOP
THRU
Telex
TELEX COMMUNICATIONS, INC.
2 WIRE INTERCOM
1
2
3
4
ANT
TRAN
12-15V AC/DC
1 AMP
BTR-1
PATENT NO. 6,373,951 B1
MADE IN U.S.A.
ANT
CAN BUS
RCV
RELAY
AUX MATRIX
LOOP
THRU
Telex
TELEX COMMUNICATIONS, INC.
2 WIRE INTERCOM
1
2
3
4
ANT
TRAN
12-15V AC/DC
1 AMP
BTR-1
PATENT NO. 6,373,951 B1
MADE IN U.S.A.
ANT
CAN BUS
RCV
RELAY
AUX MATRIX
LOOP
THRU
Telex
TELEX COMMUNICATIONS, INC.
2 WIRE INTERCOM
1
2
3
4
ANT
TRAN
12-15V AC/DC
1 AMP
BTR-1
PATENT NO. 6,373,951 B1
MADE IN U.S.A.
ANT
CAN BUS
RCV
RELAY
AUX MATRIX
LOOP
THRU
Telex
TELEX COMMUNICATIONS, INC.
2 WIRE INTERCOM
1
2
3
4
ANT
TRAN
12-15V AC/DC
1 AMP
BTR-1
PATENT NO. 6,373,951 B1
MADE IN U.S.A.
ANT
CAN BUS
RCV
RELAY
AUX MATRIX
LOOP
THRU
Telex
TELEX COMMUNICATIONS, INC.
2 WIRE INTERCOM
1
2
3
4
ANT
TRAN
12-15V AC/DC
1 AMP
BTR-1
PATENT NO. 6,373,951 B1
MADE IN U.S.A.
Fig ure 6-6
CAN Bus Ca bles