Specifications

LED is normal (caused by sudden noise).
- When in the two-way communication (hands free talkback) mode, the privacy LED will be
illuminated only when in the listen mode.
SPECIFICATIONS:
PARAMETERS MIN. NOM. MAX. UNITS
SUPPLY VOLTAGE -20 -24 -28 VDC
OPERATING CURRENT 80 150 mA
AUDIO INPUT LEVEL -15 10 dBm
T & R INPUT IMPEDANCE 600 OHMS
SWITCHING SPEED 200 mSec
AUDIO OUTPUT LEVEL @ 1 METER 95 dB
OUTPUT POWER 1 WATT
TALKBACK REPLY DISTANCE @ 50 dB AMBIENT 50 FT.
INSTALLATION INFORMATION:
The unit should be located away from noise producing equipment such as fans, air conditioner units, etc.
Performance will be determined by a combination of ambient (background) noise level, and distance - See
Figure 1.
MOUNTING INFORMATION:
The TBM-101 is designed to mount on a desk, or the surface of a wall. Remove the top cover by pushing on
the latch at the bottom of the housing base with a small screwdriver (See Figure 2). To mount the unit, space
the 2 mounting screws provided horizontally on 2.750" centers (See Figure 2B). To mount the unit, space the
2 mounting screws provided horizontally on 2.750" centers (See Figure 2A). Ideal mounting height is 6-12 feet
above floor level. Connect wires as specified in wiring on page 5, and then snap cover back onto base. Be
sure that the base sides line up between
the cover sides and the 4 fingers on the cover sides. See Figure 2B.
Figure 2. Figure 2A.
NOTE:
SIDES OF BASE LINE UP BETWEEN SIDE WALL
AND FINGERS ON COVER SHOWN.
Figure 2B.
P81417 L
Sheet 3 of 6
CONNECTION DIRECTLY TO AN UNUSED CO PORT:
When connecting a TBM-101 directly to an unused CO port requiring talk battery to pass audio (most do),
install with a Wheelock RPS-2406 power supply as shown in Figure 3.
NOTE
Use This Installation For No More Than One TBM-101
Figure 3: Unused Co Port Installation