Serial Server – KPS3101/3102/3204


KPS3101, KPS3102, KPS3204 Serial Device Server supports 1 or 2 Ethernet port and 1, 2, or 4 RS-232/422/485 ports, which provides serial-to-Ethernet connectivity for industrial applications. KPS3101, KPS3102, KPS3204 supports socket operation mode, including TCP Server, TCP Client and UDP. KPS3101, KPS3102, KPS3204 provides 12-48 VDC redundant power inputs. The top panel of the device has DIP switches, DIP switch can be achieved RS485 serial terminal matching resistor enable and disable, It can guarantee the stability and reliability of RS485 serial communication. KPS3101, KPS3102, KPS3204 can be widely applied in all kinds of applications in factory automation and industrial segments.

Product details
1 or 2 Ethernet port and 1, 2, or 4 RS-232/422/485 ports
Supports socket operation modes, including TCP Server, TCP Client and UDP
Supports one-key recovery
Build-in 2KV serial Isolation protection
IP40 protection class
Metal housing with wide temperature rating (-40 to +75℃)
Certificates: UL 61010, Class I Div 2, CE, FCC, RoHS
Technical Specification
Ethernet Interface Number of ports:
KPS3101/KPS3102: 1
KPS3204: 2
Speed: 10/100 Mbps, Auto MDI/MDIX
Connector: RJ45
Magnetic Isolation Protection: 1.5 kV (built-in)
Serial Interface Number of ports:
KPS3101: 1
KPS3102: 2
KPS3204: 4
Serial Standards: RS-232/422/485, software selectable
Connector: DB9 male
ESD Protection: 15 kV for all signals
Isolation Protection: 2 kV (build-in)
DIP-Switch: Enable/Disable 120Ω matching resistor for RS485
Serial Communication Parameters Data Bits: 5, 6, 7 or 8
Stop Bits: 1, 1.5 or 2
Parity: None, Even, Odd, Space, Mark
Flow Control: XON/XOFF, RTS/CTS, None
Baudrate: 300bps to 460.8kbps
Security Security Protocols: HTTPS, SSH2
LED System: PWR1, PWR2, Run
Serial port: S1-T/R, S2-T/R, S3-T/R, S4-T/R
Button Reset: Supports "reset to factory default settings"
Power Requirements Input voltage: 12 to 48 VDC, recommended 24 VDC
Power plug: 4-pin terminal block
Power Consumption:
KPS3101/3102: 1.8W
KPS3204: 3.2W
Overload protection: Support
Reverse protection: Support
Redundancy protection: Support
Physical Characteristics Housing: Aluminum
KPS3101: 165g
KPS3102: 170g
KPS3204: 320g
KPS3101/KPS3102: 30×115×68 mm(W×H×D)
KPS3204: 54×134×106 mm(W×H×D)
Protection level: IP40
Installation: DIN-rail mounting
Environmental Limits Operating temperature: -40 to 75℃
Storage temperature: -40 to 85℃
Operating humidity: 5 to 95% RH
Quality Assurance Warranty: 5 years
Approvals UL 61010, Class I Div 2, CE, FCC, RoHS
IEC 60950-1, EN 60950-1
Industrial Standard EMI:
EN 55032
FCC Part 15 Subpart B Class A
EN 55024
IEC 61000-4-2 (ESD): ±6kV(contact), ±8kV(air)
IEC 61000-4-3 (RS): 10V/m (80MHz–2GHz)
IEC 61000-4-4 (EFT): Power Port: ±2kV; Data Port: ±1kV
IEC 61000-4-5 (Surge): PowerPort: ±1kV/DM, ±2kV/CM; Data Port: ±1kV
IEC 61000-4-6(CS): 10V (150KHz-80MHz)
IEC 60068-2-6 (Vibration)
IEC 60068-2-27 (Shock)
IEC 60068-2-32 (Free Fall)
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