Nortel Networks 553-3001-211 manual NT6D42 Ringing Generator DC

Page 112 of 894 Option settings

NT6D42 Ringing Generator DC

Tables 21 through 26 list option settings for the NT6D42 Ringing Generator.

Table 21

NT6D42 recommended options for North American and British Telecom

	Ringing	Ringing
Application	frequency	voltage	Jumper locations	Ringing output
North America	20 Hz	86 V ac	P5	Low impedance
			High voltage
			message waiting
British Telecom	25 Hz	80 V ac	P4	Low impedance
			No high voltage
			message waiting

Table 22

NT6D42 jumper locations P4 and P5

High voltage message waiting	Pin location
Disable	Jumper in P4
Enable	Jumper in P5
Note: One jumper must be installed.
Table 23
NT6D42 jumper location J7
Ringing output	Jumper location J7
Low impedance (normal)	Connect pins 1 and 2
High impedance (Australia)	Connect pins 2 and 3

553-3001-211 Standard 2.00 September 2004