INSTALLATION AND OPERATION MANUAL
FTA/FRA2C1(M,S)1 and FXA2C1(M,S)1
2 AUDIO CHANNELS + 1 CONTACT CLOSURE
This manual serves the following
ComNet Model Numbers:
FTA 2C1M1
FR A2C1M1
FTA 2C1S1
FR A2C1S1
FXA2C1M1A
FXA2C1M1B
FXA2C1S1A
FXA2C1S1B
The ComNet™ FTA/FRA2C1 Series audio multiplexer provides the transmission of two
audio signals and one contact closure over one multimode or single mode optical
fiber. A bidirectional model, FXA2C1(M,S)1, is also available. The modules use 24-bit
96kHz sample rate digital encoding for superior transmission of balanced line-level
audio. Plug-and-play design ensures ease of installation and no electrical or optical
adjustments are required.
These extenders are designed for long-term, reliable operation in harsh industrial
environments, and a fault-specific LED indicator is provided for rapidly ascertaining
the operating status of the extender and the link. See Figure 9 on Page 5 for an
explanation of LED indicators.
Packaged in the exclusive ComNet ComFit housing, these units may be either wall or
rack mounted. See Figure A on Page 6 for mounting instructions.
See Figures 1 – 9 for complete installation details.
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INSTALLATION AND OPERATION MANUAL FTA/FRA2C1(M,S)1 AND FXA2C1(M,S)1
FIGURE 1 – FTA2C1 TRANSMITTER
MULTIMODE OR
SINGLE MODE
OPTICAL FIBER
BLACK
BLACK WITH WHITE STRIPE/RED
FIGURE 2 – FTA2C1 TRANSMITTER
REAR PANELFRONT PANEL
Power Supply: 8-15VDC @ 2W
Note: Remove Electrical Connector
for Rack Mount Units
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INSTALLATION AND OPERATION MANUAL FTA/FRA2C1(M,S)1 AND FXA2C1(M,S)1
FIGURE 3 – FRA2C1 RECEIvER
MULTIMODE OR
SINGLE MODE
OPTICAL FIBER
BLACK
BLACK WITH WHITE STRIPE/RED
FIGURE 4 – FRA2C1 RECEIvER
REAR PANELFRONT PANEL
Power Supply: 8-15VDC @ 2W
Note: Remove Electrical Connector
for Rack Mount Units
INS_F(T,R)A2C1(M,S)1_FXA2C1(M,S)1_REV– 04/25/12 PAGE 3Tech SupporT: 1.888.678.9427
INSTALLATION AND OPERATION MANUAL FTA/FRA2C1(M,S)1 AND FXA2C1(M,S)1
n
n
FIGURE 5 – FXA2C1 TRANSCEIvER
MULTIMODE OR
SINGLE MODE
OPTICAL FIBER
BLACK
BLACK WITH WHITE STRIPE/RED
FIGURE 6 – FXA2C1 TRANSCEIvER
REAR PANELFRONT PANEL
Power Supply: 8-15VDC @ 2W
Note: Remove Electrical Connector
for Rack Mount Units
n
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INSTALLATION AND OPERATION MANUAL FTA/FRA2C1(M,S)1 AND FXA2C1(M,S)1
INSTALLATION AND OPERATION MANUAL FTA/FRA2C1(M,S)1 AND FXA2C1(M,S)1
FIGURE 7 – AUDIO WIRING
Wiring panel terminal block is located on the back panel of each unit.
Channel 2
Signal In from
Customer Equipment
Channel 1
Signal In from
Customer Equipment
Audio Input
(Receiver/Transceiver)
Audio Output
(Transmitter/Transceiver)
FIGURE 8 – CONTACT WIRING
Wiring panel terminal block is located on the back panel of each unit.
Channel 2
Signal Out to
Customer Equipment
Channel 1
Signal Out to
Customer Equipment
Contact Closure
Output
Contact Out
(Receiver/Transceiver)
FIGURE 9 – LED INDICATORS
LINK AUDIO CONTACT
Communication link has
RED
GRN
OFF Unit powered down
not been established over
fiber
Communication link has
been established over
fiber
_ _
LED intensity varies with
audio signal level of either
channel input
Low or no audio input
level
Contact Closure Input
(Dry Contacts Only)
Contact In
(Transmitter/Transceiver)
IN OUT IN OUT
LED intensity varies with
audio signal level of either
channel output
Low or no audio outnput
level
Contact closure input is
open
Contact closure input is
closed
Unit powered down
Contact closure output
is open
Contact closure output is
closed
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MECHANICAL INSTALLATION INSTRUCTIONS FTA/FRA2C1(M,S)1 AND FXA2C1(M,S)1
INSTALLATION CONSIDERATIONS
This fiber-optic link is supplied as a Standalone/Rack module. Units should
be installed in dry locations protected from extremes of temperature and
humidity.
C1-US, C1-EU, C1-AU OR C1-CH CARD CAGE RACKS
CAUTION: Although the units are hot-swappable and may be installed
without turning power off to the rack, ComNet recommends that the
power supply be turned off and that the rack power supply is disconnected
from any power source. Note: Remove electrical connector before
installing in card cage rack.
1. Make sure that the card is oriented right side up, and slide it into the card
guides in the rack until the edge connector at the back of the card seats in
the corresponding slot in the rack’s connector panel. Seating may require
thumb pressure on the top and bottom of the card’s front panel.
CAUTION: Take care not to press on any of the LEDs.
2. Tighten the two thumb screws on the card until the front panel of the
card is seated against the front of the rack.
WARNING: Unit is to be used with a Listed Class 2 power supply.
FIGURE A
Dimensions are for a standard ComNet™ one slot module.
.156 [3.96 mm]
.313 [7.95 mm]
IMPORTANT SAFEGUARDS:
A) Elevated Operating Ambient - If installed in a closed or multi-unit rack
assembly, the operating ambient temperature of the rack environment
may be greater than room ambient. Therefore, consideration should
be given to installing the equipment in an environment compatible
with the maximum ambient temperature (Tma) specified by the
manufacturer.
B) Reduced Air Flow - Installation of the equipment in a rack should
be such that the amount of air flow required for safe operation of the
equipment is not compromised.
3 Corporate Drive | Danbury, Ct 06810 | uSa
t: 203.796.5300 | F: 203.796.5303 | teCh Support: 1.888.678.9427 | inFo@Comnet.net
8 turnberry park roaD | GilDerSome | morley | leeDS, uk lS27 7le
t: +44 (0)113 307 6400 | F: +44 (0)113 253 7462 | inFo-europe@Comnet.net
© 2013 Communications Networks Corporation. A ll Rights Reser ved. “ComNet ” and the “ComNe t Logo” are regis tered trademarks of Communic ation Networks, L LC.
INS_F(T,R)A2C1(M,S)1_FXA2C1(M,S)1_REV– 04/25/12 PAGE 6
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