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Din-Rail Mountable RS-232 to RS-422/485 Converter, Embedded surge protection (16KV ESD)

Product Page @ Moxa Site MOXA Major Lines
Mfg Part Number:  TCC-100  
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Price: $141.78
In Stock: 50
No Sales Tax except these states
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Moxa PD Frame

Many important devices used in today's industrial environment are still designed for use with an RS-232 interface. However, RS-232 is a point-to-point interface, and it imposes a distance limitation of only 15 meters between the device and the computer. To overcome these limitations, many users employ RS-232 to RS-422/485 converters, allowing RS-232 devices to connect to an industrial RS-422 or RS-485 network and transmit data over distances up to 1.2 km.

TCC-100/100I is an isolated RS-232 to RS-422/485 converter designed for users who need an industrial grade interface conversion product to extend RS-232 transmission distance and increase networking capability. Its superior industrial application design, which includes DIN-Rail mounting, terminal block wiring, external terminal block power, and optical isolation for system protection, makes TCC-100/100I suitable for use in critical industrial environments. Simply put, your RS-232 devices can be used as part of an industrial RS-422/485 network, but without any hardware or software changes.

ADDC™ (Automatic Data Direction Control)
ADDC™, a MOXA leading technology, uses a clever hardware solution to take care of the RS-485 data flow control problem. The RS-485 standard originally used half-duplex communication and handshaking signals such as RTS/CTS to control the direction of data flow. The TCC-100/100I converter uses embedded ADDC™ technology, a hardware data flow solution, to automatically sense and control data direction, making the handshaking signal method obsolete.

Auto Baud Rate Detection
TCC-100/100I incorporates a method for automatically detecting the serial signal baud rate by hardware. This is an extremely convenient feature for the user. Even if a device's baud rate is changed, the signal will still be transmitted through the RS-232 to RS-422/488 converter without problem.

RTS/CTS RS-422 Handshaking Signal
TCC-100/100I provides an RS-422 handshaking signal support. The RTS and CTS signals provide an RS-422 handshaking signal, reducing the chance of data error.

  • RS-232 to RS-422 conversion with RTS/CTS support
  • RS-232 to 2/4-wire RS-485 conversion
  • Wall and DIN-Rail mountable
  • Plug-in screw terminal Block for easy RS-422/485 wiring
  • PWR, Tx, and Rx LEDs
  • 16 KV ESD surge protection
  • Extended Operating Temperature range of -20 to 60°C
Serial Communication
RS-232 Signal
Supports TxD, RxD, DTR, DSR, RTS, CTS, DCD, GND
Female DB9 connector
RS-422/485 Signal
Supports RS-422, 4/2-wire RS-485 (DIP Switch selectable)
Supports 4-wire RS-422, up to 10 nodes, 1.2 km with RTS, CTS
Supports 4-wire RS-485, up to 32 nodes, 1.2 km
Supports 2-wire RS-485, up to 32 nodes, 1.2 km
RS-422/485 Data Direction Control
Baud Rate
50 bps to 230.4 Kbps
Surge protection
2 KV (TCC-100I), Power/Signal

Operating Temperature
-20 to 60°C (-4 to 142°F)
Storage Temperature
-20 to 85°C (-4 to 185°F)
5 to 95% RH

Power Consumption
Input Power Voltage
External Power 12-30 VDC, Terminal Block
Reverse Power Protection
Protects against V+/V- reversal
Over Current Protection
Protects against 2 signals shorted together: 1.1A
Power Consumption
TCC-100: 3.4W, 286 mA at 12V (max.)
TCC-100I: 4.68W, 390 mA at 12V (max.)

Dimensions (W x D x H)
67 x 100 x 22 mm
90 x 100 x 22 mm (including DIN-Rail Mounting Kit)
Plug-in screw terminal block
#22 to #16 AWG
Black Paint
148 ± 5g

Regulatory Approvals
CE, FCC (Class B)
Ordering Information
RS-232 to RS-422/485 Converter
All items include:
  • DIN-Rail Mounting Kit (DK35A)
  • User's Manual
  • Additional Information

    Pin Assignments



    Power Requirements
    Power Consumption TCC-100/100-T: 85 mA @ 12 V 
    TCC-100I/100I-T: 150 mA @ 12 V
    Input Voltage 12 to 48 VDC
    Voltage Reversal Protection Protects against V+/V- reversal
    Source of Input Power Power input jack
    Over Current Protection Protects against two signals shorted together
    RS-232 Side
    Signals TxD, RxD, RTS, CTS, GND
    Connector DB9 female
    RS-422/485 Side
    Signals (interface selected by DIP switch)
    RS-422: TxD+, TxD-, RxD+, RxD-, RTS, CTS, GND
    RS-485-4w: TxD+, TxD-, RxD+, RxD-, GND
    RS-485-2w: Data+, Data-, GND
    Connector Terminal Block
    RS-485 Data Direction Control ADDC® (automatic data direction control)
    Environmental Limits
    Operating Temperature Standard Models: -20 to 60°C (-4 to 140°F) 
    Wide Temp. Models: -40 to 85°C (-40 to 185°F)
    Storage Temperature -40 to 85°C (-40 to 185°F)
    Ambient Relative Humidity 5 to 95% (non-condensing)
    MTBF (mean time between failures)
    Time 3,017,857 hrs
    Database MIL-HDBK-217F
    Physical Characteristics
    Weight 148 ± 5 g
    Dimensions 67 x 100.4 x 22 mm (2.64 x 3.93 x 0.87 in)
    Housing Aluminum
    Standards and Certifications
    EMI FCC Part 15 Subpart B Class B
    Safety UL 60950-1
    EMS IEC 61000-4-2 (ESD) Level 2,
    IEC 61000-4-3 (RS) Level 2,
    IEC 61000-4-4 (EFT) Level 2,
    IEC 61000-4-5 (Surge) Level 2,
    IEC 61000-4-6 (CS) Level 2,
    IEC 61000-4-8 (SFMF) Level 1
    Green Product RoHS, CRoHS, WEEE
    Serial Communication
    ESD Protection 15 KV
    Optical Isolation 2 KV (TCC-100I/100I-T)
    Baudrate 50 bps to 921.6 Kbps
    Warranty Period 5 years
    Details See
    Stock: 0
    Stock: 5826
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