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VL-CONF-4 

FOUR PORT CONFERENCE BRIDGE 

 

 

INTRODUCTION 

When used with Valcom VoIP FXS and Quad 

Enhanced Audio gateways, the VL-CONF-4 four 

port conference bridge allows conferencing of up 

to 4 POTS telephones. Two conference bridges 

may be connected together allowing eight users in 

conference. Applications include airport crash 

systems, hospital trauma centers and 

municipalities for first responders. 

 

SPECIFICATIONS 

Features 

·

  4 Audio Inputs 

·

  RJ-45 jack for audio input connections  

       

·

  Main or Expansion Slide Switch 

       

·

  Operates on 24VDC 

 

Dimensions/Weight 

·

 

 

1.75” H x 6.75" W x 9.5" D  

     (4.45cm H x 17.15cm W x 24.13cm D) 

·

   Weight: 1.75 lbs.  (0.80 kg) 

 

Nominal Power Requirements

 

Via back panel barrel connector: 

Voltage:   

 

 

 

 24VDC  

Current: 

 

 

 

 50mA  

 

Environment

 

Temperature:                                   0 to +40° C 

Humidity:     

         0 to 85% non-precipitating 

 

Packing List

 

Qty 

Item 

VL-CONF-4 

VSP Document 

Mounting Brackets W/ Hardware 

Rubber Pads 

RJ-45 Patch Cables 

 
 
 

 

 
 
 
 
INSTALLATION 

 

Mounting

 

The VL-CONF-4 is designed for wall, table or rack 

mounting. 

 

Table

: Provided with the VL-CONF-4 are four 

rubber pads.  Peel the pads from their carrier 

backing and place at the four corners of the bottom 

of the unit. 

 

Wall

: Using the template on last page of this  

document, mark the location of the bracket screw 

holes on the wall.  Drill 5/64" pilot holes, 3/4" deep, 

at each screw location and use the wood screws 

provided to attach the brackets to the wall.  For 

surfaces other than wood, use hardware 

appropriate for the surface (not included).  With the 

brackets securely attached to the wall, attach the 

VL-CONF-4 to the brackets using the included 

hardware.  Figure 2 illustrates the bracket 

assembly. 

 

Rack: 

Following the assembly drawing, attach the 

two mounting brackets to the VL-CONF-4 unit.  

Using rack screws, mount the VL-CONF-4 in an 

available 1U rack slot.  See Figure 1. 

 

 
 
 
 
 
 
 
 
 
 

Summary of Contents for VL-CONF-4

Page 1: ...acking List Qty Item 1 VL CONF 4 1 VSP Document 2 Mounting Brackets W Hardware 4 Rubber Pads 4 RJ 45 Patch Cables INSTALLATION Mounting The VL CONF 4 is designed for wall table or rack mounting Table Provided with the VL CONF 4 are four rubber pads Peel the pads from their carrier backing and place at the four corners of the bottom of the unit Wall Using the template on last page of this document ...

Page 2: ...phono connectors between the conference bridges Rear View Setup Information specific to your application will need to be programmed into the gateways and audio ports using a computer The PC used for programming should be connected to the same subnet as the Valcom gateways and audio ports Setup will be done using the IP Solutions Setup Tool Download the latest version of the free IP Solutions Setup...

Page 3: ...ht charges for the return of products to Valcom are prepaid 5 all units out of warranty are subject to a service charge The service charge will cover minor repairs major repairs will be subject to additional charges for parts and labor This Limited 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 co...

Page 4: ...INITIATE RINGDOWN ANSWER STROBES PA SYSTEM TYPICAL CONFERENCE BRIDGE DESIGN SECONDARY AUTO INITIATE RINGDOWN ANSWER TERTIARY AUTO INITIATE RINGDOWN ANSWER LISTEN ONLY RINGDOWN ANSWER THOUSANDS OF BROADCAST ONLY PORTS MAY BE ADDED ADDITIONAL TWO WAY TALKPATHS MAY BE ADDED WITH AN EXPANSION PAIR MULTICAST ENABLED LAN WAN ...

Page 5: ...5 Figure 3 Four Port Conference Bridge Connections Figure 4 Eight Port Conference Bridge Connections ...

Page 6: ...6 ...

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