Xblue Networks PCS digital System 48 Technical Alert

TECH FACT 005 

PCS_TF005_092304 

1

PRODUCT SYSTEM 

48 

HARDWARE KSU 

SOFTWARE CURRENT 

VERSION 

DESCRIPTION 

SYSTEM 48 TECHNICAL ALERT 

SYSTEM 48 TECHNICAL ALERT

Under certain conditions (electrical noise, length or type of cable used) some 

extension numbers can become corrupted in the system database. A station 

number swapping condition can occur. This may affect one or more of the 

following station (extension) numbers and associated card/station ports: 

STATION       CARD-PORT

• 103     

         1-04 

• 109   

         2-02 

• 110   

         2-03 

• 111   

         2-04 

PCS Installation Recommendations and Precautions: 

Plug the KSU AC power cord into a UPS using a dedicatedAC outlet. 

The KSU must have access to a good earth ground, such as a cold water pipe 

without non-metallic joints.  The ground source should be as close as possible to 

the system. 

The station cable lengths should not exceed the following maximum specified 

cable lengths for new UTP cables: 

Digital Key Telephone: 

Single Line Telephone: 

26 AWG     850 ft.   

26 AWG     650 ft. 

24 AWG     1416 ft.   

24 AWG     1133 ft.  

22 AWG     1983 ft.   

22 AWG     1586 ft. 

Avoid running cable over florescent lights.   

Install new RJ-11 jacks if any keyset(s) demonstrate erratic operation or 

occasional resetting. 

Please call PCS Digital at 1-888-860-0102 Ext. 102 if you experience this 

problem or encounter any similar situations with the System 48.