Nortel Networks Video Gaming Accessories 553-3001-211 Manual De Usuario
NT8D15 E&M Trunk card
Page 627 of 894
Card control functions
Control functions are provided by a microcontroller, a card LAN, and
signaling and control circuits on the E&M trunk card.
signaling and control circuits on the E&M trunk card.
Microcontroller
The E&M trunk card contains a microcontroller that controls the internal
operation of the card. The microcontroller provides the following functions:
operation of the card. The microcontroller provides the following functions:
•
card-identification
•
self-test
•
control of card operation
•
maintenance diagnostics
Card LAN
The card LAN provides a serial communication link for transferring
maintenance data and control signals between the trunk card and the SSC
card. The card LAN controls the microcontroller. The following functions are
supported:
maintenance data and control signals between the trunk card and the SSC
card. The card LAN controls the microcontroller. The following functions are
supported:
•
providing card ID/RLS
•
reporting self-test status
•
polling from the controller card
•
enabling/disabling of the DS-30X link