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UNIVERSAL DOOR ANSWERING SYSTEM
INTRODUCTION
The V-2901 is a Universal Door Answering System
for use with any single line telephone, electronic or
1A2 key system, or PABX. These instructions
contain the specifications and information necessary
to install, operate, and maintain the Universal Door
Answering System.
SPECIFICATIONS
Purpose
Provides remote door answering from a telephone or
telephone system.
Applications
Electronic Key Systems
PABXs
1A2 Key Systems
Stand Alone Systems
Refer to Figure 1 for a block diagram of a typical
installation.
Features
Line key access from Electronic or 1A2 key
systems
Loop trunk port access from PABX
Dedicated single line telephone access
Built in handsfree amplifier
RJ11 modular connector for Tip and Ring
connections
Power on LED
Provides contact for electric strike plate
Programmable door unlock codes (use with tone
dial telephones)
Input for manual door unlock (push-button)
Removable screw terminal blocks for all
connections
Built in (30 Hz) ringing generator (with on/off
switch)
V-2901
Ringback tone for speaker
Works with the Valcom V-1070A or V-1071
door plate speakers
AC line powered
Compatible with VPB-260 Battery Back-up
Capacity
The V-2901 is a single talkpath unit
Each V-2901 will drive up to 2 Valcom 45 Ohm
Talkback Speakers
Dimensions/Weight
8.6" H x 11.0" W x 2.3" D
(21.6cm H x 27.9cm W x 5.8cm D)
3 lbs. (1.36 kg)
Specifications
Input Impedance:
Input Level:
Output Impedance:
Ring Supply:
1
VSP-V-2901
Issue 6
600 Ohms
-10 dBm Nominal
45 Ohms
90VAC, 30 Hz
Interrupted 1 sec. on 4 sec. off
947301
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Summary of Contents for Valcom V-2901
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Page 1: Specifications
Refer to Figure 1 for a block diagram of a typical Capacity installation. The V-2901 is a single talkpath unit Each V-2901 will drive up to 2 Valcom 45 Ohm Features Talkback Speakers Line key access from Electronic or 1A2 key... -
Page 2: Installation
3) 1 Valcom Door Plate Speaker (V-1070A or Power: 25 watts V-1071)) Environment NOTE: A single line telephone cannot be connected Temperature: 0 to 50 Degrees C to both the V-2901 and an incoming central office Humidity: 0-85% non-precipitating line. DESIGN INSTALLATION General Connecting Arrangement... -
Page 3: Technical Assistance
Refer to Table 1 for dip switch settings to When the door plate button is pressed, interrupted program single digit door unlock code. ring voltage from the V-2901 is applied to a C.O. line position of the telephone system and a ringback tone __2. - Page 4 TABLE 1 - DIPSWITCH SETTINGS FOR DOOR UNLOCK CODES DIGIT TABLE 2: TROUBLESHOOTING CHART PROBLEM ACTION 1. No system operation - Power LED not lit. 1a. Verify AC voltage is present at the receptacle. 1b. Check the fuse located on the bottom of the unit. If blown, replace with a 1 amp 250 VAC fuse.
- Page 5 FIGURE 2 ELECTRONIC KEY SYSTEM, 1A2 LINE BUTTON ACCESS OR PABX LOOP TRUNK ACCESS V-1070A Pushbutton Speaker V-2901 TERMINAL BLOCKS (1a) E-KEY, 1A2 LINE POSITION OR PABX LOOP TRUNK PORT OR SINGLE LINE TELEPHONE SPKR NOTE 1: Tip and Ring connections can...
- Page 6 This warranty is in lieu of and excludes all other warranties, expressed or implied, and in no event shall Valcom, Inc. be liable for any anticipated profits, consequential damages, loss of time or other losses incurred by the buyer in connection with the purchase, operation, or use of the product.