
GE
VIC5211
Security
Overview
The IFS VIC5211 series video intercom system is designed 
for full compatibility with Aiphone LEM, LEF, and NEM 
equipment. The module supports the simultaneous 
transmission of fixed video, half-duplex audio and 
bi-directional contact closure over one multimode optical 
fiber. Plug-and-play design ensures ease of installation. 
The module provides push to call, remote closure contacts 
and also allows for adjustment of speaker volume and 
microphone gain. The modules incorporate power, carrier 
detect, and AGC status indicating LED’s to monitor proper 
system operation. The modules are available in either 
stand-alone or rack mount versions.
Application Examples
• Aiphone LEM, LEF, NEM Intercom Equipment
• Fixed Video Transmission
• Half-Duplex Audio
• Remote Gate Control
IFS Aiphone™ Video 
Intercom System
Standard Features 
• Compatible with Aiphone™ LEM, LEF, and NEM  
Intercom Equipment
• Fixed Video Transmission
• Half-Duplex Audio
• Built-in 3 watt Audio Amplifier
• Transmits Push-to-Call via Contact Closure
• Transmits Remote Contact Closure to .5 amp Relay  
Out for Gate Control
• Full Range Automatic Gain Control (AGC)
• Plug and Play Design Ensures Ease of Installation
• Power, Carrier Detect, and AGC Status Indicating  
LED’s to Monitor System Performance
• Automatic Resettable Fuses on all Power Lines
• Hot-Swappable Rack Modules
• Distances up to 2.5 miles (4 km) without Repeaters
Aiphone™ Video 
Intercom System
Supports the simultaneous 
transmission of fixed video, 
half-duplex audio and bi-directional 
contact closure over one 
multimode optical fiber.
• Comprehensive Lifetime Warranty

Video
(Coax)
Audio
Video
(Coax)
1 Fiber
62.5/125µm MM
VIC5211M
Audio
VIC5211R
up to 2.5 miles
(4 km)
ifs
International
Fiber
Systems
Incorporated
203.426.1180
ifs
International
Fiber
Systems
Incorporated
203.426.1180
Contact Input
Contact Output
Specifications
Intercom remote station
      • Push to call  • Audio In/Out - 3W (8-20 ohms)  • 0.5A relay contact (N.O.)
Master station
      • Audio In/Out   • Contact Closure  • To Remove  • From Remove
Audio
Bandwidth:    300 Hz - 5 kHz
Video
Video Input:    1 volt pk-pk (75 ohms) 
Bandwidth:    5 Hz - 6 MHz 
Differential Gain:    <5% 
Differential Phase:    <5° 
Tilt:      <1% 
Signal-to-Noise Ratio (SNR):  60 dB (minimum)
Wavelength    850/1310 nm, Multimode
Number of fibers    1
Connectors
Optical:     ST 
Power, Audio and Contact:  Terminal Block with Screw Clamps 
Video:      BNC (Gold Plated Center-Pin)
Electrical & Mechanical
Power:     
Surface Mount Remote:  18 VAC 
Surface Mount Master: 24 VAC C.T. 
Rack:      From Rack 
Number of Rack Slots:   2 (Master Only)     
Current Protection:    Automatic Resettable Solid-State Current Limiters 
Circuit Board:    Meets IPC Standard 
Size (in./cm.) (LxWxH) 
Remote:     10.8 x 5.7 x 1.0 in., 27.5 x 14.5 x 2.5 cm 
Master Surface Mount:  7.0 x 4.9 x 2.0 in., 17.8 x 12.5 x 5.1 cm 
Master Rack Mount:   7.7 x 5.0 x 2.0 in., 19.6 x 12.7 x 5.1 cm 
Shipping Weight:    < 2 lbs./0.9 kg
Environmental
MTBF:      > 100,000 hours 
Operating Temp:    -40° C to +74° C 
Storage Temp:    -40° C to +85° C 
Relative Humidity:    0% to 95% (non-condensing)†
†May be extended to condensation conditions by adding suffix ‘–C’ to 
model number for conformal coating.
Ordering Information
Part Number
Multimode
62.5/125µm**
Accessories
◆
Options
*Optical transmission distance is limited to optical loss of the fiber and any additional loss introduced by connectors, splices and patch panels.  
Distance can also be limited by fiber bandwidth. **For 50/125 Fiber, subtract 4 dB from Optical Power Budget. 
VIC5211M 
VIC5211R
PS-18 VAC 18 Volt AC Plug-in Power Supply (Included with VIC5211R) 
PS-24 VAC 24 Volt AC Center Tap Transformer (Included with VIC5211M)
Add ‘-R3’ to Model Number for R3 Rack Mount - No Charge (Requires R3 Rack purchased separately) 
Add ‘-C’ for Conformally Coated Printed Circuit Boards (Extra charge, consult factory)
Description
Video Receiver / Intercom Master (1310/850 nm) 
Video Transmitter / Intercom Remote (850/1310 nm)
◆
All accessories are third party manufactured.
Fibers Required
1
System Design
Optical Pwr. Budget
14 dB
Max. Distance*
2.5 miles (4 km)