Our Products

RubyTech RS-C250SC-1 Media Converter Terminal Block


RubyTech RS-C250SC-1 Media Converter Terminal Block

P/N: N0R250C1-RUK


Standard Compliance

TIA/EIA-232 (ITU-T V.28)
TIA/EIA-422 (ITU-T V.11)
TIA/EIA-485 (ISO/IEC8284)

Data Transfer Rate

300bps to 460.8Kbps

Fiber Cable

Fiber (M-M):50/125,62.5/125,100/140μm (Up to 2Km)
Fiber (S-M):8.3/125,8.7/125,9/125,10/125μm (Up to 20km),
Bidi-SC 1310nm,1550nm

Optional Accessories

DRK-35: DIN-Rail Mounting Kit

LED Description

LED Color Function
FX (LNK/ACT) Green Lit when fiber connection is good
Blinks when fiber data is present
DATA (Copper) Green Lit when Copper data is present
PWR Green Lit when +5V power is coming up

DIP Switch Function

SW1 (Copper Mode Select)
Mode 1 2 Description
RS232 * OFF OFF RS232 mode (*Default)
RS422-4W OFF ON RS422 4-wire mode (Full duplex)
RS485-4W ON OFF RS485 4-wire mode (Full duplex)
RS485-2W ON ON RS485 2-wire mode (Half duplex)


SW2 (RS-422/RS-485 Termination select)
1 2 Description
OFF OFF Termination disable
OFF ON Insert 120 W terminator on RS-485 TX/RX wires
ON OFF Insert 100 W terminator on RS-422 TX/RX wires
ON ON Do not use

NOTE: SW2-1 and SW2-2 do not set to “ON” at the same time

Hardware Spec

Feature Detailed Description
Voltage 1A@+5VDC from CR-1112 Chassis
or AC-DC Adapter ( 85~264VAC Input, 5V VDC output, 0~50℃)
Ambient Temperature 0° to 50°C
Humidity 5% to 90%
Dimensions 26.2(H) x 70.3(W) x 94(D) mm
Weight 0.2kg
Installation Desktop, Chassis, Din Rail (Optional)
Safety Comply with FCC Part 15 Class A & CE Mark Approval
MTBF 547.1K
Warranty 1 Year

Packing Information

Model Carton Dimensions (mm) pcs/Carton N.W (KG) G.W (KG)
RS-C250xx-X 530x512x345 40 17.6 18.6

Ordering Information

RS-C250ST-1 RS-232/422/485 (DB-9) to Fiber Converter, ST Multi-Mode