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1. Product Overview
The ISC‑4110U is an industrial‑grade USB‑to‑serial media converter designed and manufactured by ORing Industrial Networking. It is part of the ISC‑x110U converter family, which includes the ISC‑4110U (1‑port USB to 4‑port RS‑232) and ISC‑8110U (1‑port USB to 8‑port RS‑232). The ISC‑4110U carries article number ISC‑4110U and is commonly supplied in regional variants such as ISC‑4110U_US and ISC‑4110U_EU. It serves as an industrial converter that expands a single USB 2.0 interface into four RS‑232 serial ports via a DB62‑to‑4×DB9 cable assembly. The device is intended for harsh industrial environments requiring reliable serial connectivity, extended operating temperatures, and flexible power options. The unit employs a rigid metal enclosure built for rugged conditions and long‑term field deployment.

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2. Key Features
The ISC‑4110U includes a wide range of industrial‑class features engineered for serial communication reliability and operational durability.

• Industrial converter: Converts 1×USB 2.0 port into 4×RS‑232 serial ports.
• High‑speed serial performance with baud rates from 300 to 921.6 Kbps.
• Supports full RS‑232 signaling including TxD, RxD, RTS, CTS, DTR, DSR, DCD, and GND.
• RS‑232 interface operates in DTE mode.
• Compact, intelligent design for easy integration with PCs, industrial controllers, and USB hubs.
• Internal high‑speed transient suppressors on each data line for protection against overvoltage and electrical spikes.
• Built‑in 15 kV ESD protection for serial ports to ensure data integrity and port longevity.
• Dual power input options: USB bus power (self‑powered mode) or 12–48 VDC redundant power input via terminal block and power jack.
• Extended industrial operating temperature range from −40°C to +70°C.
• Storage temperature from −40°C to +85°C.
• Rugged IP30‑rated metal enclosure designed for industrial environments.
• Green LED indicators for power and data transmission (4 LEDs corresponding to 4 RS‑232 ports).
• DIN‑rail and wall‑mount hardware included for flexible installation.
• 1 m DB62‑to‑4×DB9 male cable included.
• Designed for demanding industrial applications such as factory automation, industrial controllers, sensors, meters, serial‑based instruments, and legacy communication equipment.
• Complies with global EMI/EMS and safety certifications including FCC, EN55022 Class A, EN61000 family standards, EN60950‑1, and IEC mechanical stress standards.

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3. Technical Specifications
The following consolidated technical data reflects all measurements and performance values extracted from the source content.

• Model: ISC‑4110U
• Series: ISC‑x110U Industrial Serial Media Converter Series
• Article/Part Number: ISC‑4110U
• Enclosure Material: Metal, IP30‑rated industrial casing
• Dimensions (W × D × H): 26.1 mm × 94.9 mm × 144.3 mm (1.03 × 3.74 × 5.68 inches)
• Weight: ~348 g
• Serial Ports: 4 × RS‑232
• Serial Signals Supported: TxD, RxD, RTS, CTS, DTR, DSR, DCD, GND
• RS‑232 Mode: DTE
• Serial Connector Type: DB9 male via DB62‑to‑4×DB9 cable
• USB Port: 1 × USB 2.0
• Supported Baud Rates: 300 to 921.6 kbps
• LED Indicators: 1×Power (Green), 4×Data Transmission LEDs (Green)
• Power Options:
– USB bus power (self‑power mode)
– Dual DC input 12–48 VDC via 2‑pin terminal block or power jack
• Typical Power Consumption: 1.6 W (320 mA @ 5 V USB bus power)
• Protection: Built‑in 15 kV ESD protection on serial interfaces
• Operating Temperature: −40°C to +70°C
• Storage Temperature: −40°C to +85°C
• Operating Humidity: 5–95% non‑condensing

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4. Functionality
The ISC‑4110U functions as a robust USB‑to‑serial expansion device. When connected to a PC or industrial computing device through USB 2.0, it enumerates as four independent RS‑232 COM ports managed through driver support for major operating systems. Data transmission is fully duplex with hardware handshaking facilitated through RS‑232 signal lines. The unit's internal protection circuitry filters transient spikes and safeguards communication stability.

Typical use cases include:
• Connecting legacy industrial automation devices to modern computing platforms.
• Integrating PLCs, HMIs, meters, barcode readers, RFID modules, CNC systems, and POS devices.
• Expanding USB workstations into multi‑port serial communication hubs.
• Replacing outdated PCI serial cards with an external industrial solution.
• Remote monitoring systems requiring high reliability and protection against electrical disturbances.

Compatible Operating Systems:
• Windows 2000 (32‑bit), Windows 20003/XP/Vista/2008/7 (32/64‑bit)
• Windows Mobile 5/6, PocketPC 2003
• Windows CE 4.2–6.0
• Linux x86 (32/64‑bit)

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5. Components & Accessories
Standard Package Contents:
• ISC‑4110U serial media converter
• ORing Tool CD (drivers, utilities, documentation)
• Quick Installation Guide
• DIN‑rail mounting kit
• Wall‑mount kit
• USB cable
• DB62‑to‑4×DB9 male cable (1 meter)
• 12V/1A power adapter (region‑specific model, such as US or EU)

Optional Accessories (available separately):
• DR‑45 series 45 W DIN‑rail power supply
• DR‑75 series 75 W DIN‑rail power supply
• DR‑120 series 120 W DIN‑rail power supply

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6. Installation & Setup
Installation is designed to be straightforward for industrial technicians.

Mounting Options:
• DIN‑rail mounting using the included bracket for control cabinets and industrial enclosures.
• Wall mounting using included hardware for fixed installations or panel setups.

Setup Requirements:
• Connect USB cable from ISC‑4110U to host PC or controller.
• Install necessary drivers from ORing Tool CD or supported OS repositories.
• Connect DB62‑to‑4×DB9 cable to the device and then connect RS‑232 equipment.
• If redundant power is needed, connect 12–48 VDC inputs to the terminal block or the power jack.
• Verify LEDs for power and port activity.

Configuration Considerations:
• COM port numbers are assigned by the host OS.
• Baud rate, parity, stop bits, and flow control are configured through device manager or application software.
• Serial devices should be wired according to the provided DB9 pinout.

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7. Performance & Capabilities
The ISC‑4110U delivers reliable data communication suitable for high‑speed industrial requirements.

Performance Characteristics:
• Baud rate capability from 300 bps up to 921.6 kbps ensures compatibility with slow legacy devices and faster modern serial equipment.
• Full RS‑232 signal support enables complex serial operations including modem control and hardware flow control.
• Industrial‑grade transient suppression preserves port integrity during noisy electrical conditions.
• 15 kV ESD protection enables long‑term resilience in harsh electromagnetic environments.
• Power redundancy ensures continuous operation even if USB bus power becomes unstable.
• Operating temperature from −40°C to +70°C supports deployment in outdoor cabinets, manufacturing floors, transportation systems, and energy facilities.

Limitations:
• RS‑232 only; no RS‑422/485 support in this model (available in other ISC variants).
• Uses external DB62 breakout cable, which must be retained for serial connectivity.
• Maximum of four serial ports; use ISC‑8110U for 8‑port expansion.

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8. Standards & Compliance
The ISC‑4110U conforms to international regulatory and industrial standards, ensuring compliance with safety, electrical, and electromagnetic requirements.

Electromagnetic Interference (EMI):
• FCC Part 15
• CISPR (EN55022) Class A

Electromagnetic Susceptibility (EMS):
• EN61000‑4‑2 (ESD)
• EN61000‑4‑3 (RS)
• EN61000‑4‑4 (EFT)
• EN61000‑4‑5 (Surge)
• EN61000‑4‑6 (CS)
• EN61000‑4‑8
• EN61000‑4‑11

Mechanical & Environmental Certification:
• IEC60068‑2‑27 (Shock)
• IEC60068‑2‑32 (Freefall)
• IEC60068‑2‑6 (Vibration)

Safety Approval:
• EN60950‑1 Safety Standard

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9. Additional Information
Warranty:
• 5‑year manufacturer’s warranty, reflecting industrial reliability and long‑term durability.

Maintenance:
• Regular inspection of connectors, cables, and mounting hardware recommended.
• Firmware and drivers should be kept up to date using ORing’s support resources.
• No internal serviceable components; field maintenance limited to cleaning and connection checks.

Support & Documentation:
• Full user manuals, drivers, utilities, and firmware available via ORing Networking support portal.
• Technical support provided for installation, integration, and troubleshooting.

Updates:
• Product documentation referenced as USB to Serial Media Converter v1.0 / Mar 2010.

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