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ITA-EM-SR21

8-Port RS-232/422/485 Serial Port Module
  • Compliance with railway applications (EN50121-4)
  • 2500 VDC isolation protection
  • 256-byte FIFO and automatic flow control
  • Speed up to 921.6Kbps
  • 8 x RS -232/422/485 software selectable serial ports
  • ITAM Serial Module compatible with ITA-22 series system for flexible configuration option
8-Port RS-232/422/485 Serial Port Module

Product Specifications Download Spec

  • Part Number
  • Details
Communications
  • Data Bits
  • Data Signals
  • FIFO
  • Flow Control
  • Parity
  • Serial Port Controller
  • Speed
  • Stop Bits
Environment
  • Storage Temperature
  • Operational Temperature
General
  • Bus Interface
  • Connectors
  • Ports
  • Power Consumption
Mechanical
  • Dimension
Protection
  • ESD Protection
  • Isolation Protection

Communications

  • Data Bits

    ITA-EM-SR21-00A1E 5, 6, 7, 8
    ITA-EM-SR21-10A1E 5, 6, 7, 8
  • Data Signals

    ITA-EM-SR21-00A1E RS-232: TxD, RxD, RTS, CTS, DTR, DSR, DCD, RI, GND ; RS-422: Tx+, Tx-, Rx+, Rx-, RTS+, RTS-, CTS+, CTS-, GND; RS-485: Data+, Data-, GND
    ITA-EM-SR21-10A1E RS-232: TxD, RxD, RTS, CTS, DTR, DSR, DCD, RI, GND ; RS-422: Tx+, Tx-, Rx+, Rx-, RTS+, RTS-, CTS+, CTS-, GND; RS-485: Data+, Data-, GND
  • FIFO

    ITA-EM-SR21-00A1E 256 byte
    ITA-EM-SR21-10A1E 256 byte
  • Flow Control

    ITA-EM-SR21-00A1E RTS
    ITA-EM-SR21-10A1E RTS
  • Parity

    ITA-EM-SR21-00A1E None, even, odd
    ITA-EM-SR21-10A1E None, even, odd
  • Serial Port Controller

    ITA-EM-SR21-00A1E XR17V358
    ITA-EM-SR21-10A1E XR17V358
  • Speed

    ITA-EM-SR21-00A1E Up to 921.6Kbps
    ITA-EM-SR21-10A1E Up to 921.6Kbps
  • Stop Bits

    ITA-EM-SR21-00A1E 1, 1.5, 2
    ITA-EM-SR21-10A1E 1, 1.5, 2

Environment

  • Storage Temperature

    ITA-EM-SR21-00A1E -40 ~ 85° C
    ITA-EM-SR21-10A1E -40 ~ 85° C
  • Operational Temperature

    ITA-EM-SR21-00A1E -25 ~ 60° C
    ITA-EM-SR21-10A1E -25 ~ 60° C

General

  • Bus Interface

    ITA-EM-SR21-00A1E PCI Express x1 link, Gen1 Compliant
    ITA-EM-SR21-10A1E PCI Express x1 link, Gen1 Compliant
  • Connectors

    ITA-EM-SR21-00A1E 2 x 20 pin 3.5mm Terminal Block
    ITA-EM-SR21-10A1E 2 x 20 pin 3.5mm Terminal Block
  • Ports

    ITA-EM-SR21-00A1E 8
    ITA-EM-SR21-10A1E 8
  • Power Consumption

    ITA-EM-SR21-00A1E 3.3V @ 1.9A (Typical)
    ITA-EM-SR21-10A1E 3.3V @ 1.9A (Typical)

Mechanical

  • Dimension

    ITA-EM-SR21-00A1E 301.9 x 40 x 80 mm
    ITA-EM-SR21-10A1E 301.9 x 40 x 80 mm

Protection

  • ESD Protection

    ITA-EM-SR21-00A1E Air ± 15KV ,contact ±8KV
    ITA-EM-SR21-10A1E Air ± 15KV ,contact ±8KV
  • Isolation Protection

    ITA-EM-SR21-00A1E 2,500 VDC isolation
    ITA-EM-SR21-10A1E none

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