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The TCF-142 media converters are equipped with a multiple interface circuit that can handle RS-232 or RS-422/485 serial interfaces and multi-mode or single-mode fiber. TCF-142 converters are used to extend serial transmission up to 5 km (TCF-142-M with multi-mode fiber) or up to 40 km (TCF-142-S with single-mode fiber). The TCF-142 converters can be configured to convert either RS-232 signals, or RS-422/485 signals, but not both at the same time.
The TCF-142 converters can automatically detect the serial baudrate, which is an extremely convenient feature. Even if a device’s baudrate is changed, the signal will still be transmitted through the media converter without any data loss.
The TCF-142 converters can be used to connect serial devices to a fiber ring. To form the ring, connect the Tx port of one TCF-142 to the Rx port of a neighboring converter. Once the ring is set up, simply use the DIP switches to configure the TCF-142 converters for ring mode. When one node transmits a signal, the signal travels around the ring until it returns back to the transmitting unit, which then blocks the signal. With the TCF-142, you can set up fiber rings that have a total circumference of up to 100 km.
Automatic Data Direction Control (ADDC) is a hardware
data flow solution developed by Moxa to handle RS-485 data direction
control. ADDC senses and controls RS-485 data direction automatically,
making it unnecessary to use the handshaking signal.
RS-232 RS-422 RS-485
50 bps to 921.6 kbps (supports non-standard baudrates)
ADDC (automatic data direction control) for RS-485
1 kilo-ohm, 150 kilo-ohms
ADDC (automatic data direction control)
N/A, 120 ohms, 120 kilo-ohms
7-pin terminal block
TxD, RxD, GND
Tx+, Tx-, Rx+, Rx-, GND
Data+, Data-, GND
70 to 140 mA @ 12 to 48 VDC
12 to 48 VDC
90 x 100 x 22 mm (3.54 x 3.94 x 0.87 in)
67 x 100 x 22 mm (2.64 x 3.94 x 0.87 in)
320 g (0.71 lb)
Standard Models: 0 to 60°C (32 to 140°F)Wide Temp. Models: -40 to 75°C (-40 to 167°F)
-40 to 85°C (-40 to 185°F)
5 to 95% (non-condensing)
CISPR 32, FCC Part 15B Class A
IEC 61000-4-2 ESD: Contact: 4 kV; Air: 8 kV IEC 61000-4-3 RS: 80 MHz to 1 GHz: 10 V/m IEC 61000-4-4 EFT: Power: 1 kV IEC 61000-4-5 Surge: Power: 1 kV IEC 61000-4-6 CS: 3 V IEC 61000-4-8 PFMF
IEC 60068-2-1 IEC 60068-2-2 IEC 60068-2-3
Telcordia (Bellcore), GB
Our wide range of media converters connect field devices to a variety of communication systems
File Name: Firmware for Nport
SHA-512 Checksum: --checksum placeholder--
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