Nortel Networks 553-3001-211 manual QPC528 CO/FX/WATS Trunk cards

Option settings Page 141 of 894

QPC528 CO/FX/WATS Trunk cards

Table 49 lists switch and jumper settings for options available.

Table 49

QPC528 Trunk cards switch and jumper settings

Switch Settings

	Switch S1 (location A23)
Switch position:
	1	2	3	4	5	6	7	8
	on	off	on	off	on	off	on	off
	Unit 0, Switch S2 (Location E29)
	Unit 1, Switch S3 (Location E9)
	Unit 2, Switch S4 (Location A28)
Switch position:	Unit 3, Switch S5 (Location A10)
	1	2	3	4	5	6	7	8	9	10
Trunk type:
Loop start	off	on	off	off	on	off			off	off
Ground start	off	on	on	on	on	off			off	off
Metering:
Second pair (M, MM) or							off	off
Third wire, battery on M or							off	on
Third wire, ground on M							on	off
		Jumper Settings
	Unit 0 jumper (Location E27)
	Unit 1 jumper (Location E11)
	Unit 2 jumper (Location D29)
	Unit 3 jumper (Location D9)
Jumper:	Unit 0		Unit 1		Unit 2		Unit 3
	Jumper		Jumper		Jumper		Jumper
600 ¾ resistive impedance	Pin 1 to 2		Pin 1 to 2		Pin 1 to 2		Pin 1 to 2
3-component complex	Pin 2 to 3		Pin 2 to 3		Pin 2 to 3		Pin 2 to 3
impedance

Circuit Card Description and Installation