JetCon 2201 Series - Industrial Networking Solutions – Industrial Ethernet Switches and Routers

JetCon 2201 Series







The standard RS-232 protocol has been widely used in most of industrial computer systems for serial port communication. However, it has its limitations in terms of transmission speed, range and networking capabilities.  Furthermore, the RS-422 and RS-485 standards have overcome the limitations mentioned above by utilizing different voltage lines for data and control signals. Hence, JetCon 2201-w series, the RS-232 to RS-422/485 converter becomes very popular to be deployed in the industrial communication network for longer distance and higher reliability.

High Speed and Auto Baud control
The JetCon 2201 series features embedded high performance ASIC to provide graceful signal conversion and speed Control. The data rate supports up to 921.6Kbps, satisfying the need of most automatic control systems.

User Friendly Design Line Terminator/RX Bias Control
In a long distance transmission, the RS-422/485 differential signal is easily interfered by noises which result in the communication interruption; JetCon 2201 provides 120ohm line terminator and receiver biasing control functions to ensure the quality of transmission by using the DIP switch to activate those features.

Hazardous Environment application
In the factory floor, there are too many interferences coming from field site equipments, such as robot, Variable- frequency motor and high-power magnetic–contactor. Those devices may produce huge electric field, magnetic field or surge and coupling into the communication lines near the devices and make all of devices work abnormally. Therefore, Electrical Magnetic Susceptibility (EMS) is important for the industrial communication. The JetCon 2201 series provides great EMS ability and complies with EN 61000-6-2 Heavy Industrial level EMS. The differential serial signal interface also adopts 3000V isolation protection to prevent inrush surge or lighting noise (JetCon 2201i-w).

System Dimensions (Unit = mm)

Industrial RS-232/422/485 Converter

  • Automatic RS-232 to RS-422/485 converter
  • Auto baud rate and direction control
  • High speed up to 921.6 Kbps
  • RS-422/485 3000VDC isolation protection (JetCon 2201i-w/2201i-wTB)
  • Supports RX bias and terminal resistor
  • Easy configuration by DIP switch without resetting power
  • Din-Rail mount and wall mount robust aluminum case
  • Terminal block 5-pin at RS-232 (JetCon 2201i-wTB)
  • -40~70°C operating temperature for hazardous environment
  • RoHS applications
Standard EIA/TIA-232 RS-232 (ITU-T v.28)EIA/TIA-422 RS-422 (ITU-T v.11)

EIA/TIA-485 RS-485 (ISO/IEC8284)

Forwarding Rate
Auto baud rate 300 to 921.6Kbps
RS-232 x1RS-422 x1

RS-485 2/4 wire x1

RS-232: DB-9 Female (JetCon 2201i-w)RS-232: Terminal block (JetCon 2201i-wTB)

RS-422/485: Removable terminal block


Link Distance
RS-232: 50 feetRS-422: 4000 feet

RS-485: 4000 feet

Serial Signals
RS-422: TxD+, TxD-, RxD+, RxD-RS-485 4 wires: TxD+, TxD-, RxD+, RxD-

RS-485 2 wires: Data+, Data-

Signal Ground

Configuration DIP Switch
DIP-switch 1,2: RS-422/485 wiring mode selectionDIP-switch 3,4: RS-422/485 line terminator selection

DIP-switch 5,6: RS-422/485 biasing resistor selection

DIP-switch has plate (JetCon 2201i-wTB)

Diagnostic LED
System power (Pwr): GreenReceive Data (Rx):Yellow blinking

Transmit Data (Tx): Green blinking


Power Requirements
System Power
DC 12~48V input with polarity reverse correction.
Power Consumption:
1 Watt (max.)
Wall mount or DIN Rail mount
Aluminum metal case
24.7mm(H) x 74mm (W) x 99 mm (D)
0.24kg with package0.15kg without package
Operating Temperature
-40 ~ 70°C
Operating Humidity
0% ~ 90% (Non-condensing)
Storage Temperature
-40 ~ 80°C (-40 ~ 176°F)
Storage Humidity
0% ~ 95% (Non-condensing)
Regulatory Approvals
FCC class B, CE/EN55022 class BCE/EN61000-3-2:2001 Harmonic test

CE/EN61000-3-3: 1995 Flicker test

Free Fall
5366,967 Hours ,MIL-HDBK-217F 
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