Nortel Networks RTU-292 VMM-100 I/O Connector Information P9, VMM-100 Switch Functions

RTU-292 Operations Manual

Table 7-7 VMM-100 I/O CONNECTOR INFORMATION (P9)

Pin Signal

1Audio Input (see specs above)

2Audio Output (see specs above)

3NR1; Logic Input; Low selects DSP Noise Reduction

4NR2; Logic Input; Low selects DSP Voice Modulation Recognition

5-5V; Supply Input (see specs above)

6+5V; Supply Input (see specs above)

7+12V; Supply Input (see specs above)

8NR3; Logic Output; Follows state of SW1-1; Low indicates default is NR on

9NR4; Logic Output; Follows state of SW1-2; Low indicates default is VMR on

10 Ground

Table 7-8 VMM-100 Switch Functions

SW1-1 FUNCTIONS

SW1-1,2	For future use; leave off
	SW1-3, 4 FUNCTIONS
SW1-3	SW1-4	Threshold
On	On	1	(lowest)
Off	On	2	Factory Default
On	Off	3
Off	Off	4	(highest)
	SW1-5, 6 FUNCTIONS
SW1-5	SW1-6	Hangtime
On	On	0.75 seconds
Off	On	1.25 Factory Default
On	Off	1.75
Off	Off	2.25
	SW1-7, 8 FUNCTIONS
SW1-7	SW1-8	Delay
On	On	0 msec
Off	On	100 Factory Default
On	Off	200
Off	Off	300

JPS Communications, Inc. 7-10