Comprehensive Product Summary – Moxa Industio CI‑132IS

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### 1. Product Overview

Product Name: Industio CI‑132IS
Model: CI‑132IS
Series: Industio CI‑132 Series (includes CI‑132, CI‑132I, CI‑132IS)
Article Number: CI‑132IS
Manufacturer: Moxa Technologies Co., Ltd.
Part Number (P/N): 18020013211

Product Type: Industrial 2‑port RS‑422/RS‑485 serial communication board for ISA/EISA bus systems.
Manufacturer Contact:
- Tel: +886‑2‑8919‑1230
- Fax: +886‑2‑8919‑1231
- Website: [www.moxa.com](http://www.moxa.com)
- Support: [support@moxa.com.tw](mailto:support@moxa.com.tw)

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### 2. Key Features

- Dual Independent Serial Ports: Two fully independent RS‑422/RS‑485 ports for industrial serial communication.
- High‑Speed Data Transmission: Supports baud rates from 50 bps up to 921.6 Kbps.
- Isolation and Surge Protection: 2 kV optical isolation and 2 kV surge protection for each port, ensuring reliable operation in harsh industrial environments.
- Auto Data Direction Control: Automatic data direction switching for RS‑485 half‑duplex communication, eliminating the need for manual RTS control.
- Flexible Configuration: Software‑configurable I/O addresses, IRQs, and interrupt vectors via Moxa’s IO‑IRQ utility; no physical DIP switches or jumpers required.
- Compact ASIC Design: Custom Moxa ASIC reduces board size (half‑length ISA card) and increases reliability by minimizing discrete components.
- Termination Resistors On‑Board: Built‑in 120 Ω termination resistors selectable via jumpers for impedance matching in RS‑422/485 networks.
- Standard COM Port Compatibility: Fully compatible with standard PC COM ports and Windows serial APIs.
- Multi‑OS Driver Support: Native drivers for Windows NT, Windows 95/98, Windows 2000/XP/2003, DOS, and Linux; compatible with UNIX, QNX, FreeBSD, and OS/2.
- Industrial‑Grade Reliability: Designed for continuous operation in automation, data acquisition, and control systems.
- Diagnostic and Programming Tools: Bundled with Moxa’s PComm (Windows) and API‑232 (DOS) libraries for application development and diagnostics.

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### 3. Technical Specifications

| Parameter | Specification |
|----------------|------------------|
| Bus Interface | 16‑bit ISA (EISA compatible) |
| Number of Ports | 2 independent RS‑422/RS‑485 ports |
| Maximum Boards per System | 4 |
| Communication Controller | TI550C UART with 32‑byte Tx/Rx FIFO |
| Baud Rate Range | 50 bps – 921.6 Kbps |
| Data Bits | 5, 6, 7, 8 |
| Stop Bits | 1, 1.5, 2 |
| Parity | None, Even, Odd, Space, Mark |
| Isolation Protection | 2 kV optical isolation (CI‑132I, CI‑132IS) |
| Surge Protection | 2 kV (CI‑132IS only) |
| Termination Resistor | 120 Ω selectable |
| Connectors | 2 × DB9 male (DTE) |
| Signal Lines (RS‑422) | TxD±, RxD±, RTS±, CTS±, GND |
| Signal Lines (RS‑485) | Data±, GND |
| IRQ Options | 2, 3, 4, 5, 7, 10, 11, 12, 15 |
| I/O Address Range | 0x0000 – 0xFFFF |
| Interrupt Vector Range | 0x0000 – 0xFFFF |
| Power Requirement | +5 V DC, 790 mA max (CI‑132IS) |
| Dimensions | 157 mm × 83 mm (15.7 cm × 8.3 cm) |
| Operating Temperature | 0 °C – 55 °C |
| Storage Temperature | –20 °C – 85 °C (typical for Moxa boards) |
| Relative Humidity | 5 % – 95 %, non‑condensing |
| Weight | Approx. 150 g (board only) |

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### 4. Functionality

Operation Modes:
- RS‑422 Full‑Duplex: Point‑to‑point or multi‑drop communication up to 10 Mbps over 4000 ft (1.2 km).
- RS‑485 Half‑Duplex: 2‑wire multi‑drop network supporting up to 32 nodes per bus.

Automatic Data Direction Control:
Hardware‑based direction control automatically switches between transmit and receive modes in RS‑485, simplifying software development.

RS‑485 RTS Mode:
For legacy systems, data direction can be controlled manually via RTS signal.

Use Cases:
- Industrial and factory automation systems
- Remote serial device control
- Data acquisition and monitoring
- Connection of terminals, modems, barcode scanners, PLCs, sensors, and weighing scales
- Integration with SCADA and HMI systems

Compatibility:
- Fully compatible with standard PC COM ports and Windows serial APIs (Win32 COMM API).
- Works with Moxa’s PComm library for Windows and API‑232 for DOS.
- Supports third‑party serial communication software and terminal emulators.

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### 5. Components & Accessories

Package Contents:
1. CI‑132IS 2‑port serial board
2. Documentation and Software CD (includes drivers and utilities)
3. Quick Installation Guide

Included Software:
- Windows NT/95/98/2000/XP/2003 drivers
- Linux driver (mxser.tgz)
- DOS API‑232 driver and utilities
- PComm Lite communication library and diagnostic tools

Connectors:
- Two DB9 male connectors on the board.
- Pin assignments:

| Pin | RS‑422 | 2‑Wire RS‑485 |
|----------|-------------|------------------|
| 1 | TxD‑(A) | Data‑(A) |
| 2 | TxD+(B) | Data+(B) |
| 3 | RxD+(B) | — |
| 4 | RxD‑(A) | — |
| 5 | GND | GND |
| 6 | RTS‑(A) | — |
| 7 | RTS+(B) | — |
| 8 | CTS+(B) | — |
| 9 | CTS‑(A) | — |

Optional Accessories:
- RS‑422/485 shielded cables
- Terminal blocks or DB9‑to‑terminal adapters
- External surge suppressors (for additional protection)

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### 6. Installation & Setup

Hardware Installation:
1. Power off the PC.
2. Insert the CI‑132IS board into an available 16‑bit ISA slot.
3. Secure the board with the retaining screw.
4. Configure jumpers and switches as required:
- JP1 (CAP Jumper):
- Open = Normal operation
- Short = Force CAP address to 0xA700 (for quick installation)
- SW2 (Interface Switch): ON = RS‑485, OFF = RS‑422
- SW1 (Data Mode Switch): ON = Automatic Data Direction, OFF = By RTS
- JP3/JP4 (Termination Resistors): Short = Enable 120 Ω termination
5. Power on the PC and configure I/O, IRQ, and INT vector using IO‑IRQ.EXE under DOS.
6. Save configuration (F10) and reboot.

Quick Installation (Windows NT/95/98):
- Short JP1 to fix CAP address at 0xA700.
- Install driver directly; configuration is written automatically to EEPROM.
- Cold restart after configuration changes.

Software Installation:
- Windows 95/98: Run *Setup95.exe* from CD → Configure ports → Restart.
- Windows NT: Use *Control Panel > Network > Adapters > Add > Have Disk* → Select *Moxa Smartio/Industio Family* → Configure ports → Restart.
- Windows 2000/XP/2003: Use *Add/Remove Hardware* wizard → *Have Disk* → Select driver from *CI‑132\Software\Win2K‑XP‑2003*.
- Linux: Mount CD, extract *mxser.tgz*, compile and install module using `make install` and `modprobe mxser ioaddr=0x180`.
- DOS: Run *DOSINST.EXE* → Configure via *SETUP.EXE* → Load driver *SER‑DRV.EXE*.

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### 7. Performance & Capabilities

- Maximum Data Rate: 921.6 Kbps per port (full‑duplex RS‑422 or half‑duplex RS‑485).
- Transmission Distance: Up to 4000 ft (1.2 km) over twisted‑pair cable.
- FIFO Buffers: 32‑byte transmit/receive FIFO per port for high‑speed, low‑latency communication.
- Flow Control: Hardware (RTS/CTS) and software (XON/XOFF) supported.
- Interrupt Handling: Independent IRQ and interrupt vector per port; supports interrupt‑driven or polling modes.
- Throughput Optimization: ASIC‑based design minimizes CPU load and ensures stable data flow.
- Reliability: TVSS surge suppression and optical isolation protect against transient voltages and ground loops.
- Limitations:
- ISA bus only (not PCI).
- Supports up to four boards per system.
- RS‑485 limited to 2‑wire half‑duplex operation.

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### 8. Standards & Compliance

- Electrical Standards:
- RS‑422 (EIA/TIA‑422‑B)
- RS‑485 (EIA/TIA‑485‑A)
- Isolation & Surge Protection:
- 2 kV optical isolation (IEC 61010‑1 equivalent)
- 2 kV surge protection (TVSS technology)
- EMC & Safety:
- Designed for industrial environments with high EMI immunity.
- Operating System Compliance:
- Windows NT/95/98/2000/XP/2003 certified drivers
- Linux kernel module (mxser)
- SCO UNIX/XENIX compatibility via standard serial driver
- Industry Standards:
- COM port compatible (16550 UART emulation)
- ISA/EISA bus standard compliant

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### 9. Additional Information

Warranty & Support:
- Standard Moxa limited warranty (typically 3 years).
- Technical support via email and online resources.
- Free driver and firmware updates available from Moxa FTP and website.

Maintenance:
- No periodic maintenance required.
- Keep board and connectors free of dust and moisture.
- Verify grounding and shielding in high‑noise environments.

Software Tools:
- PComm (Windows):
- Serial communication library for Visual C++, VB, Delphi.
- Includes diagnostic, monitor, and terminal emulator utilities.
- API‑232 (DOS):
- Library for C, Pascal, BASIC, Assembly.
- Includes Data Scope and Diagnose utilities for debugging.

Troubleshooting Highlights:
- Board Not Detected: Check ISA slot seating, I/O address conflicts, or CAP jumper.
- No Data Transfer: Verify cable wiring and flow control settings.
- IRQ Conflicts: Adjust IRQ in BIOS or IO‑IRQ utility.
- RS‑485 Communication Errors: Ensure correct termination and biasing resistors.

Return & RMA Procedure:
- Provide proof of purchase and completed Problem Report Form.
- Obtain RMA number before returning product.
- Ship in anti‑static packaging with problem description.

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### Summary

The Moxa Industio CI‑132IS is a robust, high‑performance dual‑port RS‑422/RS‑485 ISA serial board engineered for industrial automation and data communication systems. It combines 2 kV isolation, surge protection, and high‑speed 921.6 Kbps transmission with flexible software configuration and broad OS support. Its ASIC‑based architecture ensures compact size, low failure rate, and efficient CPU utilization. With built‑in termination resistors, automatic RS‑485 control, and comprehensive driver and utility support, the CI‑132IS provides a reliable, long‑distance serial communication solution for demanding industrial environments.