Nortel Networks DCT1900 manual Check PC cabling From COM1 via

Technical Product Manual - DCT1900

Maintenance, Fault Finding Procedures

CSM PROBLEM

"No

connection with

DCT1900" message

on PC display?

No

	Check PC cabling:
	from COM1 via			Correct cabling
Yes		Cabling correct?	No
	connection board
	to CPU

Yes

yVerify COM1 port of PC

yVerify CPU board

yVerify Serial PC cable

"No

connection with

Portable Telphone"

on PC display?

No

Incorrect

ring type displayed

on Portable Telephone

No

Verify CSM installation

	Check PC cabling:			Correct cabling and ensure
	from COM2 to the
Yes		Cabling correct?	No	Portable Telphone serial
	Portable
				attachment is secure.
	Telephone

Yes

Verify Portable Telephone in INIT mode

Check cadence parameters under

Yes System Manager-Administrate- Portables-Ringing. These settings

should match your PBX data.

Maint-DCT1900/R8/mw	6-11
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