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ARLAN 655 Wireless Client Card
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General Information


The MikroTik RouterOS supports Arlan 655 Wireless Interface client cards. This card fits in the ISA expansion slot and provides transparent wireless communications to other network nodes.


Packages required: arlan
License required: Level4
Submenu level: /interface arlan
Hardware usage: Not significant



To add the driver for Arlan 655 adapter, do the following:

[admin@MikroTik]> driver add name=arlan io=0xD000
[admin@MikroTik]> driver print
Flags: I - invalid, D - dynamic
  #   DRIVER                                IRQ IO       MEMORY   ISDN-PROTOCOL
  0 D RealTek 8139
  1   Arlan 655                                 0xD000

[admin@MikroTik] driver>

Wireless Interface Configuration

Submenu level: /interface arlan


The wireless card status can be obtained from the two LEDs: the Status LED and the Activity LED.

Status Activity Description
Amber Amber ARLAN 655 is functional but nonvolatile memory is not configured
Blinking Green Don't Care ARLAN 655 not registered to an AP (ARLAN mode only)
Green Off Normal idle state
Green Green Flash Normal active state
Red Amber Hardware failure
Red Red Radio failure

Property Description

add-name (text; default: test) - card name (optional). Must contain less than 16 characters.arp (disabled | enabled | proxy-arp | reply-only; default: enabled) - Address Resolution Protocol settingbitrate (1000 | 2000 | 354 | 500; default: 2000) - data rate in Kbit/sfrequency (2412 | 2427 | 2442 | 2457 | 2465; default: 2412) - channel frequency in MHzmac-address (MAC address) - Media Access Control addressmtu (integer; default: 1500) - Maximum Transmission Unitname (name; default: arlanN) - assigned interface namesid (integer; default: 0x13816788) - System Identifier. Should be the same for all nodes on the radio network. Must be an even number with maximum length 31 charactertma-mode (yes | no; default: no) - Networking Registration Mode:

yes - ARLAN


[admin@MikroTik] > interface print
Flags: X - disabled, D - dynamic, R - running
  #    NAME                                              TYPE             MTU
  0  R outer                                             ether            1500
  1  X arlan1                                            arlan            1500
[admin@MikroTik] interface> enable 1
[admin@MikroTik] > interface print
Flags: X - disabled, D - dynamic, R - running
  #    NAME                                              TYPE             MTU
  0  R outer                                             ether            1500
  1  R arlan1                                            arlan            1500

More configuration and statistics parameters can be found under the /interface arlan menu:

[admin@MikroTik] interface arlan> print
Flags: X - disabled, R - running
  0  R name="arlan1" mtu=1500 mac-address=00:40:96:22:90:C8 arp=enabled
       frequency=2412 bitrate=2000 tma-mode=no card-name="test"

[admin@MikroTik] interface arlan>

You can monitor the status of the wireless interface:

[admin@MikroTik] interface arlan> monitor 0
      registered: no
    access-point: 00:00:00:00:00:00
        backbone: 00:00:00:00:00:00

[admin@MikroTik] interface arlan>

Suppose we want to configure the wireless interface to accomplish registration on the AP with a sid 0x03816788. To do this, it is enough to change the argument value of sid to 0x03816788 and tma-mode to yes:

[admin@MikroTik] interface arlan> set 0 sid=0x03816788 tma-mode=yes
[admin@MikroTik] interface arlan> monitor 0
         registered: yes
    access-point: 00:40:88:23:91:F8
        backbone: 00:40:88:23:91:F9

[admin@MikroTik] interface arlan>



Keep in mind, that not all combinations of I/O base addresses and IRQs may work on particular motherboard. It is recommended that you choose an IRQ not used in your system, and then try to find an acceptable I/O base address setting. As it has been observed, the IRQ 5 and I/O 0x300 or 0x180 will work in most cases.

  • The driver cannot be loaded because other device uses the requested IRQ.

    Try to set different IRQ using the DIP switches.

  • The requested I/O base address cannot be used on your motherboard.

    Try to change the I/O base address using the DIP switches.

  • The pc interface does not show up under the interfaces list

    Obtain the required license for 2.4/5GHz Wireless Client feature.

  • The wireless card does not register to the Access Point

    Check the cabling and antenna alignment.

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