2
Numbering Plan
The dialing codes are 1-9 and 0 for all call.
Additional Materials Required
At the time of installation, the installer should provide
the following materials:
•
-24VDC power supply (if existing supply is not
adequate)
•
66 type connecting block
•
25 pair cable with a female amphenol connector
on one end
•
Twisted pair cross-connect wire
Dimensions/Weight
•
7.10" H x 5.90" W x 2.10" D
•
(18.03cm H x 14.99cm W x 5.33cm D)
•
2.7 lbs. (1.22 kg)
Electrical Characteristics
TABLE 1
Parameters
Working Limits
Input impedance Tip and Ring
600 Ohms
Max cable length to talkback
speaker
800 feet audio
Dial Pulses
8-12pps
60-40 break ratio
+/- 10%
Tone Signals
Industry Standard
Frequency
Bandwidth
3%
Twist
6dB
Detect
40ms
Interdigital Time
40ms
Environmental
Temperature
0 to +50°C
Humidity
0 to 85%
Non-precipitating
Power Requirements
The Valcom V-1109RTHF requires -24VDC talk battery
and -24VDC signal battery. The current consumption
and voltage range is shown in Table 2 below.
TABLE 2
Talk Battery
-21.5 to -26VDC
60mA
Signal Battery
-21.5 to -25VDC
250mA
Lamp Battery
9 to 11VAC
45mA/Lamp
Remember when working with telephone equipment
that BATTERY is NEGATIVE and GROUND is
POSITIVE.
DESIGN
Telephone System Requirements
The V-1109RTHF is designed to work with the
following:
PABX
- Loop start trunk position.
ELECTRONIC KEY SYSTEM -
C.O. line button
equipped with trunk card.
1A2 KEY SYSTEM
- C.O. line button on key
telephones. NOTE: A 400 type line card is not used
for this arrangement.
The V-1109RTHF has background music inputs and is
capable of switching the music. Refer to the Section
titled "Music Connections" for music set up and
connections.
Telephone
System
Valcom
V-1109RTHF
1
9
Power
Supply
Talkback Speakers
Typical Configuration
Figure 1
Equipment
A complete 9 Zone Handsfree Talkback Paging
System using the V-1109RTHF will be made up of the
following:
•
PABX loop start trunk position, E-Key C.O. line
button or 1A2 line key
•
V-1109RTHF 9 Zone Talkback Control Unit
•
Valcom 45 Ohm Talkback speakers
•
-24VDC power supply (talk and signal battery)
INSTALLATION
This section covers the installation procedures for the
Valcom V-1109RTHF only. Consult other equipment
instructions if additional equipment is used.
