ND-20292

CHAPTER 5

APRIL,1990

Bl

Radio Frequency Interference (RFI)

calls or anytime a station is off-hook.

Check CO

system at MDF

 

Check

cable

 

 

 

 

 

of affected

 

 

 

 

i

Muitiline

Terminal(s)

 

 

 

Inform

 

 

 

 

 

 

More

 

 

 

 

 

TELCO

 

 

 

 

 

 

than

 

 

 

 

 

 

~~4’.‘:L~o

Twisted

Pair

~

Recable

with

2-pair

twisted

 

cable

 

Cable

 

 

 

 

 

 

 

 

 

2 Pair

Twisted

 

 

 

Yes

End

&ii

RFI Cleared:

No

No

Yes

 

 

 

 

1

v

Follow the steps below, one at a time and test after each. (Refer to ETI No.

MK-006 in Chapter 6.)

1.Place a 0.01 microfarad (PF) capacitor across the receiver element in the

Multiline Terminal handset.

2.Place a 0.01 microfarad (pF) capacitor across pins 1 & 2 and pins 3 & 4 of

the handset connector harness on the solder side of the main PC board in

the Multiline Termrnal.

500 -9

Page 596
Image 596
NEC nd-20292 manual Affected Muitiline