2.5 CPU Card - Extension module

The card is an inseparable part of the extension module.

• Contains the proprietary interface for the communication with the SWITCH card.

• It is only installed in the extension module, always into the positions with the 0 HW address. 

• The SWITCH board connection interface
• Interface type – proprietary
• Connection – RJ-45 (8/8)
• Maximum connection length between SWITCH card and extension modul CPU card is 160 cm (wiring supplied as a part of the extender package)
• Total interface throughput
  
  • between SWITCH card and extension module CPU card is available 31 channels (and 1 for signaling)
  • total extension module throughput is 88 calls