Moxa TCF-142-M-ST [2/2] Led description
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Moxa TCF-142-M-ST [2/2] Led description

Moxa TCF-142-S-SC-T [2/2] Led description
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Connecting RS-422 and 4-wire RS-485 Serial Devices
Connecting 2-wire RS-485 Serial Devices
Connecting an RS-232 Serial Device to a PC
Switch Settings
Serial
Connection
SW1 SW2
RS-232 ON OFF
RS-422 ON ON
RS-485 4-wire OFF OFF
RS-485 2-wire OFF ON
Built-in 120 Ω
Terminator
SW3
SW4
Enable ON –
Disable OFF –
Ring mode – ON
Point to Point mode – OFF
NOTE This switch setting is used for product revision
3.2 or later;
for previous revisions, refer to the label on the product's
rear panel for the correct information.
Two additional DIP
switches (SW1 and SW2)
are located inside the
TCF-
142. These switches
are used to configure the
pull high/low resistors.
Note that SW1 and SW2
must both be configured
to ON or both must be
configured to OFF.
TCF-142-M/S-SC
Pull High/Low Resistor SW1* SW2*
150K OFF OFF
1K (default) ON ON
* These DIP switches are located inside the TCF-142.
NOTE We recommend setting SW1 and SW2 to the 1K option
(ON/ON) when termination is enabled.
LED Description
There are 3 LEDs on the front panel of the TCF-142.
LED Color Function
PWR Red Steady ON: Power is ON
Fiber Tx Green Blinking when fiber is transmitting data
Fiber Rx Orange Blinking when fiber is receiving data
Specifications
Model Names TCF-142-M-ST
TCF-142-M-SC
TCF-142-S-ST
TCF-142-S-SC
TCF-142-M-ST-T
TCF-142-M-SC-T
TCF-142-S-ST-T
TCF-142-S-SC-T
Serial Communication
Signals for RS-232 TxD, RxD, SGND
Signals for RS-422 TxD+, TxD-, RxD+, RxD-, SGND
Signals for 4-wire
RS-485
TxD+, TxD-, RxD+, RxD-, SGND
Signals for 2-wire
RS-485
Data+, Data-, SGND
Baudrate 50 bps to 921.6 Kbps
Surge protection 15 KV ESD
Fiber Communication
Connector type ST or SC
Distance TCF-142-S series:
Single mode fiber for 40 km
TCF-142-M series:
Multi mode fiber for 5 km
Cable Specifications TCF-142-S series:
8.3/125, 8.7/125, 9/125 or 10/125 μm
TCF-142-M series:
50/125, 62.5/125, or 100/140 μm
Wavelength TCF-142-S series: 1310 nm
TCF-142-M series: 850 nm
TX Output TCF-142-S series: > -5 dBm
TCF-142-M series: > -5 dBm
RX Sensitivity TCF-142-S series: -25 dBm
TCF-142-M series: -20 dBm
Point-to-Point
Transmission
Half or Full duplex
Ring Transmission Half duplex
Environmental Limits
Operating Temperature 0 to 60°C (32 to 140°F), 5 to 95 % RH
Extended Operating
Temperature (T models)
-40 to 75°C (-40 to 167°F)
Storage Temperature -40 to 75°C (-40 to 167°F), 5 to 95 % RH
Power
Input Power Voltage 12 to 48 VDC
Power Line Protection 1 KV Burst (EFT), EN61000-4-4
1 KV Surge, EN61000-4-5
Reverse Power
Protection
Protects against V+/V- reversal
Over Current Protection Protects against 2 signals shorted
together: 1.1A
Power Consumption 140 mA at 12 VDC
Physical Characteristics
Dimensions 67 x 100 x 22 mm
90 x 100 x 22 mm (including ears)
Material Aluminum (1 mm)
Gross Weight 320 g
Regulatory Approvals
EMC CE, FCC (Class A)
LVD EN 60950-1
Safety UL 60950-1
EMI
FCC Part 15 Subpart B Class B, EN 55022
Class B
EMS EN61000-4-2 (ESD), Criteria B, Level 2
EN61000-4-3 (RS), Criteria B, Level 2
EN61000-4-4 (EFT), Criteria B, Level 2
EN61000-4-5 (Surge), Criteria B, Level 2
EN61000-4-6 (CS), Criteria B, Level 2

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