Specifications
VIKING
©
MODEL SA-25
VIKING
ELECTRONICS
HUDSON, WI 54016
SELF AMPLIFIED PAGING
CONTROL UNIT
POWER
15 VAC
1 2 3 4 5 18
19
20
OUTPUT TO
SELF AMPLIFIED
PAGING SPEAKERS
16
17
6 7 8 9
600 OHM
AUDIO
INOUT
AUX
IN
PAG E
IN
PAG E
CONTACT
CONTACT
CLOSURE
TWO
WIRE
FOUR
WIRE
NIGHT
TRANSFER
MASTER
VOLUME
10 11 12 13 14 15
RINGING
LINE
BACKGROUND
MUSIC IN
Optional Night Transfer Switch - Disables
loud ringing when closed (not included). See
Viking model NS-1 (DOD# 540).
Dry Contact Closure
(not included)
5
Ringing Analog
Station Port (FXS),
CO Line or Centrex Line
1
ON
OFF
VIKING
©
MODEL SA-25
VIKING
ELECTRONICS
HUDSON, WI 54016
SELF AMPLIFIED PAGING
CONTROL UNIT
POWER
15 VAC
1 2 3 4 5 18
19
20
OUTPUT TO
SELF AMPLIFIED
PAGING SPEAKERS
16
17
6 7 8 9
600 OHM
AUDIO
INOUT
AUX
IN
PAG E
IN
PAG E
CONTACT
CONTACT
CLOSURE
TWO
WIRE
FOUR
WIRE
NIGHT
TRANSFER
MASTER
VOLUME
10 11 12 13 14 15
RINGING
LINE
BACKGROUND
MUSIC IN
Page LED
Indicator
Page Level
Trim Pot
Ring
Trip
3. Ring Trip / FXS
Step 1. Move the TALK BATTERY DIP switch to the
OFF position (DIP switch 1).
Step 2. Move slide switch to RING TRIP.
Step 3. Connect pins 12 and 13 to a ringing analog
station port (FXS).
Step 4. Adjust the page level trim pot so the Page LED
flashes with page audio (see Operation page 8).
C. Loud Ringing/Night Bell
1. Ringing Analog Lines
VIKING
©
MODEL SA-25
VIKING
ELECTRONICS
HUDSON, WI 54016
SELF AMPLIFIED PAGING
CONTROL UNIT
POWER
15 VAC
1 2 3 4 5 18
19
20
OUTPUT TO
SELF AMPLIFIED
PAGING SPEAKERS
16
1
7
6 7 8 9
600 OHM
AUDIO
INOUT
AUX
IN
PAG E
IN
PAG E
CONTACT
CONTACT
CLOSURE
TWO
WIRE
FOUR
WIRE
NIGHT
TRANSFER
MASTER
VOLUME
10 11 12 13 14 15
RINGING
LINE
BACKGROUND
MUSIC IN
Optional Night Transfer Switch
Disables loud ringing when closed
(not included). See Viking model
NS-1 (DOD# 540).
Ringing Line or
PABX Station
Loud Ringing
LED Indicator
Loud Ringing
Trim Pot
Step 1. Connect pins 16 and 17 to a ringing line or
PABX station.
Step 2. The loud ringing pot may be adjusted to set
volume.
Step 3. A night transfer switch may be added to pins
19 and 20 to enable and disable loud ringing.
2. Dry Contact (Common Audible) Closure (contacts not included)
Step 1. Connect the dry contact closure
to pins 18 and 19.
Step 2. A dry contact closure will initiate
loud ringing.