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  • Product features:
    ● Protect serial port, inhibit static and surge,
    prevent ground loop and surge damaging devices
    ● Adopt latest high voltage photoelectric parts,
    powerful anti-jamming capacity
    ● Support RS-232 asynchronous communication standard,
    direct insert into RS-232 interface serially, convenient operation
    ● Transmission speed up to 57.6kbps
    ● Compact size, optional manifold signals and suitable
    for various devices.
  • Performance parameters:
    ●Interface: Conform to EIA RS-232 and CCITT V.24asynchronous protocols
    ●Connector: Both sides use DB9 connectors
    ●Transmission mode: Asynchronous, full duplex, fully transparent
    ●Isolation voltage : 2500V sequence or 7500V impluse
    ●Speed: Maximum 57.6 kps
    ●Power supply: supply electricity from RS-232 port (TXD,RTS OR DTR)
    ●Size: 6.8×5.5×1.6cm / 6.8×3.4×1.6cm
    ●Weight: 50g or 30g
    ●Working environment: 0 to 50℃ (0%—95% RH)
    ●Housing:  ABS plastic
  • Application fields:
    ●Bank, railway, electric power, post office, insurance, finance, administrative organs
    ●Various multi-user systems including UNIX
    ●Protect various multi-user terminals and hosts
    ●Protect program controlled exchanger, charge terminal, attendant
    ●Protect satellite receiver
    ●protect multi-user card
    ●protect non-ground RS-232 device

Conforms to EIA RS-232 standards

Connectors and signals
DB-9 female connector on the RS-232 DCE side and DB-9 male connector on the RS-232 DTE side.

RS-232 DCE Side:
Connector: DB-9 Female.

Signals: Use Pins 3 (RXD)and 2 (TXD) Pins 7 (RTS) and 8 (CTS) are tied together Pins 4 (DTR), 6 (DSR), and 1 (CD) are tied together.

RS-232 DTE Side:
Connector: DB-9 male.

Signals: Use Pins 3 (TXD ) and 2 (TXD) Pins 7 (RTS) and 8 (CTS) are tied together Pins 4 (DTR), 6 (DSR), and 1 (CD) are tied together.

Data Rate :  300 to 57.6KBPS


2.4”L x 1.3”W x 0.66”H
(6.1L x 3.3W x 1.7H cm)

Connection diagram:


Port-Powered RS-232 Isolator, 9 Pin, 2 Channel


The AN-IS-RS232 optically isolates and protects the transmit and receive lines of your RS-232 port from ground loops and power surges up to 2500V RMS for one minute.The data stream is converted from an electrical pulse to an optical beam, then back to an electrical pulse. Because there is no electrical connection between the DTE and DCE sides of the isolator, the AN-IS-RS232, unlike a surge suppressor, will not pass large sustained power surges through to your equipment.

This isolator will protect both the transmit and receive lines at baud rates up to 57.6K without the need of an external power supply. Power is derived through the transmit and handshake lines. Special circuitry allows the AN-IS-RS232 to be powered regar-dless of the state of the handshake lines. At least one handshake line must be connected on each side of the isolator. Note that handshake line signals are not passed through the isolator

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