Valcom v1450 설치 설명서

TECHNICAL ASSISTANCE 
When trouble is reported, verify there are no broken connections to the unit.  
Assistance in troubleshooting is available from the factory.  When calling, you 
should have a Volt-Ohm meter and a lineman's test set available and be calling from 
the job site.  Call (540) 563-2000 and ask for Technical Support, or call (540) 767-1555 
for Valcom 24-hour Faxback System or visit our website at http://www.valcom.com. 
 
Valcom equipment is not field repairable.  Valcom, Inc. maintains service facilities in 
Roanoke, VA.  Should repairs be necessary, attach a tag to the unit clearly stating 
your company name, address, phone number, contact person and the nature of the 
problem.  Send the unit to:  

Roanoke, VA  24019-5056 

 

Valcom, Inc. warrants its products to be free from defects in materials and workmanship      under 
conditions of normal use and service for a period of one year from the date of      shipment.  The 
obligati on under this warranty shall be limited to the replacement,                 repair or refund of 
any such defective device within the warranty period, provided that: 

1. 

inspection by Valcom, Inc. indicates the validity of the claim; 

2. 

the defect is not the result of damage, misuse or negligence after the original shipment; 

3. 

the product has not been altered in any way or repaired by others and that factory sealed 
units are unopened (A service charge plus parts and labor will be applied to units 
defaced or physically damaged);  

4. 

freight 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 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. 
 
This warranty specifically excludes damage incurred in shipment.  In the event a product is 
received in damaged condition, the carrier should be notified immediately.  Claims for such 
damage should be filed wi th the carrier involved in accordance with the F.O.B. point.

Headquarters:  

Valcom, Inc. 

5614 Hollins Road 

Roanoke, VA  24019-5056 

Phone:  (540) 563-2000 

FAX:    (540) 362-9800 

In Canada: 

CMX Corporation 

35 Van Kirk Drive #11 and 12 

Brampton, Ontario  L7A 1A5 

Phone:  (905) 456-1072 

FAX:    (905) 456-2269 

 
 

 
 
 
 
 
 
 
 
 
     Issue 5 

 

 

 

 
No audio from 
speaker 
 
Low volume 
from speaker 
 
 
 
Loud squeal 
(Feedback) 

 
1. Verify volume control is turned up (Clockwise). 
2. Using a lineman's test set, check for proper audio level on Tip/A  
    and Ring/B leads and if necessary at the source. 
1. Verify volume control is turned up. 
2. Check voltage at speaker when in use (-18 to -24VDC required). 
3. Using a lineman's test set, check for proper audio level on Tip/A 
    and Ring/B leads.  It is possible some low level audio will be 
    heard with only one side of Tip/A and Ring/B connected. 
1. Decrease volume of speaker (Counterclockwise). 
2. Increase the distance between telephone and speaker. 
3. Install confidencer on telephone in severe problem areas.