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•  Voice mail systems that don’t provide message 
    waiting voltage

•  Remote voice mail systems

•  Staff “In - Out” board

•  “Do Not Disturb” lights

•  Each MLC-24 controls up to 24 message 
    waiting lamps

•  Compatible with 90 to 125V message waiting 
    phones
 
•  Compatible with LED’s or Viking LM-1 or LM-2 
    retrofit message waiting lamp kit

•  Displays both steady lamp or flash for urgent 
    messages

•  Expandable in multiples of 24 lamps

•  Uses existing C.O. lines or analog PABX/KSU 
    stations

•  Built in diagnostics to aid installer

With Viking’s MLC-24 you can integrate visual
message waiting indication with  nearly any
phone system...even those phone systems
which do not support message lamps.

Add Message Waiting Lamps for Voice

Mail....On any Telephone System!

VIKING

©

Technical Practice

Telecommunication Peripheral Products

MLC-24

Message Waiting

Lamp Controller

March 2, 1998

Features

Applications

Sales...(715) 386 - 8861

Made in the U.S.A.

Power:  120V AC/13.8V AC 1.25A, UL listed, adapter provided
Dimensions:  8.25mm x 160mm x 44mm (8.25” x 6.25” x 1.75”)
Shipping Weight:  1.36 kg (3 lbs.)
Environmental:  0

°

C to 32

°

C (32

°

F to 90

°

F) with 5% to 95% non-

condensing humidity
Connections:  (1) RJ21X male, (1) RJ21X female, (1) RJ11 com
port

Specifications

E-mail...Sales@VikingElectronics.com

Commands are sent to the controller via C.O. line or analog PABX/KSU station or trunk
port.  Up to four MLC-24 controllers can be connected to a single line.

http://www.VikingElectronics.com

The  MLC-24 is compatible with virtually any
voice messaging system with “out call” or
“dispatch” feature.  It can also be activated
manually from a Touch Tone phone.  The lamps
can be reset by the voice mail system or from
the user’s telephone.

Summary of Contents for MLC-24

Page 1: ...em VIKING Technical Practice Telecommunication Peripheral Products MLC 24 Message Waiting Lamp Controller March 2 1998 Features Applications Sales 715 386 8861 Made in the U S A Power 120V AC 13 8V AC 1 25A UL listed adapter provided Dimensions 8 25mm x 160mm x 44mm 8 25 x 6 25 x 1 75 Shipping Weight 1 36 kg 3 lbs Environmental 0 C to 32 C 32 F to 90 F with 5 to 95 non condensing humidity Connecti...

Page 2: ...K NEON LED POWER 1 2 3 4 T1 R1 T2 R2 T3 R3 T4 R4 T5 R5 T6 R6 T7 R7 T8 R8 T9 R9 T10 R10 T11 R11 T12 R12 26 1 27 2 28 3 29 4 30 5 31 6 32 7 33 8 34 9 35 10 36 11 37 12 W BL BL W W O O W W G G W W BN BN W W S S W R BL BL R R O O R R G G R R BN BN R R S S R BK BL BL BK BK O O BK T13 R13 T14 R14 T15 R15 T16 R16 T17 R17 T18 R18 T19 R19 T20 R20 T21 R21 T22 R22 T23 R23 T24 R24 38 13 39 14 40 15 41 16 42 1...

Page 3: ...nd 4 can be used to set message waiting light parameters and operational modes 13 14 15 16 17 18 19 20 21 22 23 24 Pins Color G BK BN BK S BK BL Y O Y GN Y BN Y S Y BL V O V GN V BN V 1 2 3 4 5 6 7 8 9 10 11 12 BL W O W G W BN W S W BL R O R G R BN R S R BL BK O BK Pins Color LED 13 LED 14 LED 15 LED 16 LED 17 LED 18 LED 19 LED 20 LED 21 LED 22 LED 23 LED 24 38 13 39 14 40 15 41 16 42 17 43 18 44 ...

Page 4: ...ust first dial the station extension number connected to the MLC 24 s control line The MLC 24 will answer with a steady tone The command codes can then be entered as shown in the table to the right Signaling the MLC 24 1 to turn lamp OFF at station xy 2 to turn lamp ON at station xy 3 to flash a lamp at station xy 4 to fast flash a lamp at station xy 5 to turn all lamps OFF Enter Digits 1 xy 2 xy ...

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