American Fibertek MT-89A-N, MR-89A-N, RT-89A-N, RR-89A-N Specsheet

120 Belmont Drive • Somerset, NJ 08873 • 732-302-0660 • Fax: 732-302-0667 • Toll Free: 877-AFI-7200
e-mail: mail@americanfibertek.com www.americanfibertek.com
5
The American Fibertek 89A-N Series transmits one channel of high-quality low distortion bi-directional audio/contact closure on one multimode optical fiber. Designed to be completely transparent, the system field microphone and audio levels can be adjusted to balance and optimize signal levels. Diagnostic indicators provide a quick visual indication of system status. Equipment may be ordered as stand alone modules or rack cards that are mounted in the American Fibertek Card Cages: SR-20/2 or SR-20R/1.
Single Fiber Bi-directional Transceivers Audio and Contact Closure System Interface For AiPhone Intercom NEM
89A-N
SERIES
MULTIMODE
FEATURES:
• Bi-directional Audio and Contact Closure Transceivers
• Diagnostics: Power and Optical Presence
• Voice Operated (VOX) Transmission
• FM Modulated Audio
SPECIFICATIONS:
Audio:
Bandwidth ...............................300 Hz to 10 KHz
THD @ 1 KHz..................................................2%
SNR..............................................................50 dB
Connector ...........................5 Pin Screw Terminal
Contact Closure:
Input ............................Switch Closure to Ground
Output ...............................................Dry Contact
Response Time ............................................2 ms
Connector ...........................5 Pin Screw Terminal
Optical:
Wavelength....................................850/1300 nm
Loss Budget (62.5/125µ) ..........................12 dB
Connector ........................................................ST
Temperature (Operating):
-20°C to +70°C, non-condensing
Power Supply:
Module - 24 VAC Center Tap (AFI Part #: PS-24-CT-T) Rack Card - See AFI Part #: SR-20/2
Size:
Module - 5
3
4”x 63⁄4”x 13⁄8
Rack Card requires one rack slot - 6
1
2” x 1” x 5”
ORDERING INFORMATION:
MT = Module Transmitter - Station MR = Module Receiver - Master RT = Rack Card Transmitter - Station RR = Rack Card Receiver - Master
Example: MT-89A-N to RR-89A-N
A
< >
CC
< >
Audio
Audio Contact Closure Contact Closure
Audio Audio Contact Closure Contact Closure
89A-N Series
Transceiver
89A-N Series
Transceiver
one
fiber
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