UNIDIRECTIONAL VIDEO FIBER OPTIC MODEMS
BI-DIRECTIONAL VIDEO FIBER OPTIC MODEMS
VIDEO MULTIPLEXERS (UNIDIRECTIONAL AND BI-DIRECTIONAL)
DIGITAL VIDEO FIBER OPTIC MODEMS
RGB VIDEO FIBER OPTIC MODEMS
 

LASCOMM

2009 Dewberry Court, Westlake Village, CA
91361-1810

Phone 805-496-8053
Fax 805-497-3606
Email sales@lascomm.com

Fiber Optic Video Communications Multiplexers MODEL LM4100
 
Previous Go to Table of Contents Next
 

MODEL LM4100

4 Channel Video Mux with 1 Return Audio or Data Channel

DESCRIPTION

The 4100i is a reliable, cost effective, state-of-the-art, one fiber video and data or audio transmission system. The 4100i is frequency Modulated/Frequency Division Multiplexed (FM/FDM) for superior performance, and is designed to eliminate cross talk on adjacent channels. This fiber optic system transmits four channels of real-time video and one data or audio return channel over one fiber. Multi-mode or single mode versions are available. The 4100i accepts PAL, SECAM, and NTSC formats. B&W or Color signals are seamlessly transmitted distances of up to 5Km (multimode) and 80 km (singlemode). The 4100i capabilities are enhanced by it's compatibility with Lascomm's PC based SpectraSmart™, Network Management and Remote Diagnostic Software System. SpectraSmart™ supervises the operating parameters of the transmission system such as status on video levels, sync, FM carrier detect, voltage, temperature, optical levels, etc., and external equipment which are attached to the Lascomm equipment. See the SpectraSmart™ brochure for more details.

MODEL LM4100 

FEATURES

  • SpectraSmart™ Network Management Compatible
  • Surface Mount technology (SMT) for High Reliability and Repeatability
  • Hot-swappable Rack Modules
  • FM/FDM Design
  • Transmits Four Real-Time Video Signals
  • ST™,FC Optical Connector
  • 7 MHz Video Bandwidth per Individual Channel
  • 10Hz to 20KHz Audio Bandwidth
  • DC to 300Kb/s Data Rate
  • Requires No In-field Electrical or Optical Adjustments
  • Meets EIARS-170, RS-343A
  • Meets NEMATS1/TS2 and Caltrans specifications
  • Utilizes Internal Switching Power Supplies
  • Meets RS-250C Transmission Requirements
  • NTSC, PAL, SECAM Compatible
  • LED Status Indicators Provide Rapid Indication of Critical Operating Parameters
  • Automatic Resettable, Solid-State Current Limiters on All Power Lines: Provides Equipment Protection
  • Wide Optical Dynamic Range: Optical Attenuators are Never Required
  • BNC Video Connector
  • DB Style Connector for Data and/or Audio

CONFIGURATIONS

The 4100i product family is available as rack mount cards that can be installed in all of Lascomm's card chassis, desk chaises and 19" racking frames. This system can be configured in either star (module to rack) ortrunking (rack to rack) configurations. These products require no user adjustments & features superior quality and performance.

APPLICATIONS

  • Security and Surveillance
  • Intelligent Transportation System (ITS)
  • Access Control Systems
  • Campus Lecture Networks

LM4100 application

SPECIFICATIONS

Video
 

Format..................................................
Voltage/Impedance................................
Bandwidth.............................................
Differential Gain.....................................
Differential Phase...................................
SNR......................................................
Return Loss...........................................
Field Tilt................................................
Highest Carrier Frequency........................

NTSC, PAL, SECAM
1 Vp-p, 75 Ohm, 1.5 Vp-p max.
5 Hz to 7 MHz @ -3 dB
<2% typical
<2° typical
58 dB weighted*
>30 dB
<0.5% max.
150 MHz

* As per RS-250C, measured @ 1Km (multimode), @ 10Km (singlemode)
Audio
 

I/O Impedance......................................
...........................................................
I/O Level..............................................
Frequency Response...............................
THD......................................................
SNR......................................................

600 Ohm, 10 kOhm, 47 kOhm
Balanced/Unbalanced
-6 to +6 dBm
10 Hz to 20 KHz
<1%, 1 KHz @ max modulation
>60 dB (weighted)*

* As per RS-250C, measured @ 1Km (multimode), @ 10Km (singlemode)
Data
 

Formats................................................
...........................................................
...........................................................
...........................................................
Rate.....................................................
Bit Error Rate.........................................

RS-232D, RS-422A, GenLock,
Manchester, Biphase, 4-20mA
Current Loop, TTL,
Contact Closure
DC to 300 Kb/s
10-9*

* As per RS-250C, measured @ 1Km (multimode), @ 10Km (singlemode)
Connectors
 

Video...................................................
Optical.................................................
Power..................................................

75 Ohm BNC (Gold Center Pin)
ST™, FC
5 Pin Male DIN

Power**

 

Reciever Card........................................
Reciever Module....................................
Transmitter Card....................................
Transmitter Module................................
Adapter for SR-1000...............................

6.8 W
285 mA @ 24 VAC
8.4 W
350 mA @ 24 VAC
Model PS-100

** Due to variations of drivers and diagnostic options, power shown at maximum measurements

Indicators (LEDs)

 

Red.....................................................
Green..................................................

Power On
Audio Level Set or Data Activity

Physical

 

Dimensions:
Module (w/SR-1000)..............................
..........................................................
Card....................................................
..........................................................
Weight:
Module (w/SR-1000)..............................
Card...................................................
Number of Rack Slots............................


182 mm (7.16") L, 165 mm (6.5") W
44 mm (1.75") H
160mm (6.3") L, 40mm (1.7") W
100 mm (4") H

1350 g (48 oz.)
675 g (24 oz.)
Two

Enviromental

 

Operating Temperature..........................
Storage Temperature.............................
Relative Humidity..................................

-40°C to +74°C
-55°C to +85°C
0 to 95% Non-condensing

Quality

 

MTBF...................................................
..........................................................

>170,000 hours @ Ground Fix
35°C per MIL217F

Optical

 
Fiber Type/Size
(um)
Optical Output
(dBm)
Reciever Sensitivity
(dBm)
Optical Budget
(dB)
Wavelength
(nm)
Optical
Connector
Optical Dynamic
Range (dB)
Multimode* (Laser)            
62.5/125 -7 -24 17** 850 ST 39
62.5/125 -7 -24 17** 1300 ST 39
62.5/125 -7/-7 -24/-24 17** 850/1300 ST 39
Singlemode (Laser)            
9/125 -7*** -26 19 1310 ST,FC 41
9/125 -10*** -26 16 1550 ST,FC 41
9/125 -10/-10 -26 16 1310/1550 ST,FC 41
* Distance is limited to fiber loss, splices and fiber bandwidth
** For 50/125μm fiber, subtract 3dB
*** Higher output lasers available
©, Lascomm, 2002-2005
All rights reserved
Home | About Us | Articles | Glossary | Scada Application | Configuration Page
DATA Communication Equipment | Ethernet Communication Equipment
VIDEO Communication Equipment | Phone Extender Communication Equipment
Audio Communication Equipment | SCADA and Multi-Drop Communication Equipment