
• Attractive styling
• Easy retrofit mounting
• Works with nearly all message waiting voltages
The message waiting lamp retrofit kit is compatible with
any telephone system with standard DC message
waiting voltage capabilities as well as Viking’s MLC-24
Message Waiting Lamp Controller.
The LM-1 and LM-1LV are fully modular for quick plug-
in installation by non-telephone personnel. The unitswill
light in relationship to the voltage being supplied.
The units will also flicker when the phone rings, helping
to reduce noise in quiet areas by providing a convenient
visual indication for ringing or message waiting.
Provide Visual Lamp Indication of
Message Waiting and Ringing
VIKING©
Technical Practice
Telecommunication Peripheral Products LM-1/LM-1LV
Message Waiting
Lamp Retrofit Kits
May 9, 2000
Features Applications
Power: 120V DC (LM-1), 90V DC (LM-1LV) message waiting
voltage
Dimensions: 76mm x 51mm x 25mm (3” x 2” x 1”)
Shipping Weight: .45kg (1 lb)
Environmental: 0°C to 32°C (32°F to 90°F) with 5% to 95% non-
condensing humidity
Connections: (1) RJ11 jack, (1) RJ11 plug
Specifications
• Message waiting indication on analog lines
supplying standard message waiting voltages
The LM-1LV, a 90V DC model of the LM-1,
must be used with the following systems:
Printed in the U.S.A. ZF290330 Rev CFax Back Doc # 660
Due to the dynamic nature of the product design, the information contained in this document is subject to change without notice. Viking
Electronics, its affiliates and/or subsidiaries assume no responsibility for errors and/or omissions contained in this information. Revisions of this
document or new editions of it may be issued to incorporate such changes.
Product Support Line...(715) 386-8666 Fax Back Line...(715) 386-4345
http://www.VikingElectronics.com
Installation
Use the double back tape on the LM-1(LV) for mounting
the unit to your phone or anywhere else appropriate.
Disconnect the modular line cord from the back of the
phone and plug it into the modular jack on the LM-1(LV).
Plug the short modular line cord from the LM-1(LV) into
the modular jack on the back of the phone.
1.
2.
3.
VIKING ELECTRONICS
VIKING©
MODEL LM-1
Message Waiting
Lamp
HUDSON, WI 54016
• Comdial DXP Plus
• Cortelco (ITT) SL1000 PABX
• Executone IDS PABX
• Hitachi DX PABX
• Mitel SX100/SX200 (analog)
PABX’s
!
• Mitel SX200 digital PABX
• NEC 2400 PABX
• Northern Telecom CO switch
• Siemens Saturn PABX’s
• Toshiba Perception PABX’s
Note: The LM-1 and the LM-1LV are not compatible with
any AT&T phone systems.