2.4 CPU Card

The card is an inseparable part of the basic module.

  • It contains all necessary interfaces needed for the communication with the system.
  • It is only installed in the basic module, always in the position with the 0 HW address.

LAN

  • Interface type – Eth T-Base 10/100
  • Connection – RJ45
  • Pin1= transit +,
  • Pin2= transit -,
  • Pin3= receive +,
  • Pin6= receive -

 USB

  • Interface type – USB 1.1
  • Connection – 2x USB-A
  • Physical layer – Low Speed – 1.5Mbits/s
  • Power supply – 5V
  • Consumption – max. 100mA

COM

  • RS 232C interface connection
  • Interface type – RS232C
  • Configuration – 115200Bd, 8 bit, parity: none, stop bit: 1
  • Connection – RJ-11 (6x6)
  • Pin1= TxD -,
  • Pin2= TxD +,
  • Pin3,4 = GND,
  • Pin5= RxD +,
  • Pin6= RxD - 

MMC

  • MMC cards slot – MMC 7 pins
  • MMC 4.0 and MMC Plus 13 pins
    • Buses – 1-bit (MMC) and 4-bit (MMC4.0 and MMC+)
    • Power supply – 3,3 V
    • Reading speed – up to 22 Mb/s
    • Writing speed – up to 18 Mb/s
    • Maximum recommended capacity – 4 GB

 

RES

The Reset button will reboot the entire system.

Maintenance switch

  • ON position – appliance switched on
  • OFF position – appliance switched off, the position is equipped with a 3 s by-pass for the switching into the Maintenance Mode
  • Maint. position – appliance in the maintenance mode, the line cards supply switched off and the card drivers stopped in order to enable their maintenance or exchange, or changes in the port set-up.

After the switching into the ON position, the card drivers are launched and their power supply is switched on – no need for the re-launching of the entire system and starting of all processes.