Viking 25AE Technical Practice page 4

2. Dry Contact (Common Audible) Closure (contacts not included)
Step 1. Connect the dry contact closure to pins 3 and 4.
Step 2. A dry contact closure will initiate loud ringing.
Dry Contact Closure
(not included)
3. Night Transfer Switch (switch not included)
A Night Transfer Switch may be used to enable or disable loud ringing.
a. Ringing Analog Lines
Connect the night transfer switch to terminal pins 1 and 2. When the switch is on (closed), loud ringing is dis-
abled. When the switch is off (open), loud ringing is enabled.
Ringing Line Input Wiring
Lines 1-3
RJ25
Green
Line 1
Red
Yellow
Line 2
Black
Blue
Line 3
White
Note: For information on speakers to use, ambient noise levels and speaker wiring, see Fax Back Document 498.
b. Dry Contact Closure with Night Transfer Switch
Interface the night transfer switch in series with the contact closure. When the switch is on (closed), loud ring-
ing is enabled. When the switch is off (open), loud ringing is disabled.
Dry Contact Closure
(not included)
VIKING
©
PAGING
VOLUME
ELECTRONICS
HUDSON, WI 54016
MIN MAX
PAGING - LOUD RINGING
AMPLIFIER SYSTEM
TALK BATTERY
ALERT TONE
WARBLE / CHIME
RINGING LINES
1 - 3 4 - 6 1 2 3 4
Lines 4-6
RJ25
Green
Line 4
Red
Yellow
Line 5
Black
Blue
Line 6
White
VIKING
PAGING
VOLUME
MIN MAX
PAGING - LOUD RINGING
AMPLIFIER SYSTEM
TALK BATTERY
ALERT TONE
WARBLE / CHIME
RINGING LINES
1 - 3 4 - 6 1 2 3 4
Night Transfer Switch
(not included)
MODEL PA-2A
RINGING
VOLUME
Note: For information on speak-
VIKING
ers to use, ambient noise levels
MIN MAX
and speaker wiring, see Fax Back
Document 498.
1 2 3 4 5 6 7 8 9 10
POWER JP1
VIKING
PAGING
VOLUME
MIN MAX
PAGING - LOUD RINGING
AMPLIFIER SYSTEM
TALK BATTERY
ALERT TONE
WARBLE / CHIME
RINGING LINES
1 - 3 4 - 6 1 2 3 4
Lines 4, 5 and 6
Lines 1, 2 and 3
MODEL PA-2A
©
RINGING
VOLUME
VIKING
ELECTRONICS
HUDSON, WI 54016
MIN MAX
1 2 3 4 5 6 7 8 9 10
POWER JP1
25AE Paging Horn
(included)
MODEL PA-2A
©
RINGING
VOLUME
VIKING
ELECTRONICS
HUDSON, WI 54016
MIN MAX
25AE Paging Horn
1 2 3 4 5 6 7 8 9 10
POWER JP1
Night Transfer Switch
(not included)
Note: For information on speak-
ers to use, ambient noise levels
and speaker wiring, see Fax Back
Document 498.
25AE Paging Horn
(included)
(included)