Telex Intercom System BTR 24 TR 24 User Manual

BTR-24/TR-24  
Wireless Intercom  
LIT000068TX Rev. A  
Bosch Communications Systems  
U S E R I N S T R U C T I O N S  
2. The beltpacks may be powered with their internal battery (if  
already charged) or external AC. If external AC is desired,  
use the charging power supplies that come with the beltpacks  
for this purpose.  
NOTE: Prior to use, the TR-24 Beltpacks and BTR-24 Base  
Station need to have their battery packs fully charged. Refer to  
battery charge instructions.  
3. Connect the beltpack to the an Ethernet cable via the RJ-45  
connector at the beltpack’s “EXT” jack. The Ethernet cable  
may be T-568A or T-568B cables. A normal or crossover  
cable may be used. The beltpacks automatically detect and use  
whichever type is connected.  
Wireless Mode  
A base station is providing wireless coverage over the area in  
which the beltpacks will be used.  
1. Rack mount or place the BTR-24 base station near the area of  
wireless coverage.  
4. To place the beltpack in “wired mode”, if not already set, press  
and hold the <TWO> button as the beltpack boots. Release  
the button once boot finishes. The beltpack will always boot  
in the last mode it was set to until the user sets a different boot  
mode.  
2. Plug the base station’s external power supply into an AC  
outlet if available. If external power is not available, then the  
base station can run off internal battery (if already charged).  
3. Connect the antenna(s) to the base station. The antenna(s)  
must have good line-of-sight over the area of use.  
Master Wireless Mode  
4. Turn-on the base station. After a 20 second boot time the base  
will scan the area and select the best RF channel.  
The base station is eliminated by having a beltpack act as a base  
station. This “master” beltpack may still be used for audio just as a  
normal beltpack.  
5. After the base station has selected a channel, turn on the  
TR-24 beltpacks.  
1. The “master wireless mode” is normally a mobile application  
and as such power is usually supplied by the internal battery (if  
already charged). However, any beltpack may also run off the  
charging power supply via an AC outlet if desired.  
6. To place the beltpack in “wireless mode”, if not already set,  
press and hold the <TALK> button as the beltpack boots.  
Release the <TALK> button once boot finishes. The beltpack  
will always boot in the last mode it was set to until the user sets  
a different boot mode.  
2. Place a beltpack in “master wireless mode” by pressing and  
holding the <ONE> button as the beltpack boots. The beltpack  
always boots in the last mode it was set to until the user sets a  
different boot mode.  
7. After a 20 second boot time the voice prompt “wireless” will  
be heard in the headphone and the channel light will activate  
indicating the unit is up.  
3. After a 20 second boot time the voice prompt “master  
wireless” will be heard in the headphone and the channel light  
will activate indicating the unit is up. The button may now be  
released.  
8. Wear the beltpacks on the hip. Place them in a position that  
allows for greatest visibility to the base station’s antenna.  
R
Telex  
4. After the master beltpack is operating, turn on the other TR-24  
beltpack(s). These beltpacks should be booted as in the  
“wireless mode” instructions since the master beltpack is  
acting as the base station for the system.  
TR-24  
R
R
Telex  
TR-24  
Telex  
TR-24  
R
ON  
Telex  
Charging Instructions  
SELECT  
POWER  
LOW  
AP  
BATTERY  
ACTIVE  
CHANNEL  
CLEAR SCAN  
LOCK  
OFF  
CHANNEL  
BTR-24  
1. Plug the external charger into the charge / power jack on the  
bottom of the beltpack or on the rear of the base station.  
R
R
Telex  
TR-24  
Telex  
TR-24  
2. The LED near the jack indicates the charge status.  
RED  
= Charging  
= Charging Done  
GREEN  
Figure 1.  
BTR-24 with omni antennas  
Typical Battery Life (from a fully charged battery)  
= Up to 8 hours  
= Up to 10 hours  
TR-24  
BTR-24  
Wired Mode  
Beltpacks are directly connected to each other via an Ethernet  
cable or through a building’s Ethernet infrastructure.  
Typical Charge Time (from a depleted battery)  
TR-24  
BTR-24  
= 6 –8 hours  
= 10 – 14 hours  
1. Place the beltpack(s) near the Ethernet connection.  
 

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