Chapter 31: Ntak93 D-Channel Handler Interface Daughterboard - Avaya Nortel Communication Server 1000 Reference

NTAK93 D-channel Handler Interface daughterboard
- convention of IA5-encoded digits to BCD-encoded digits for incoming Layer 3
messages for faster CPU operation
- self-test
- loopback
Physical description
The DCH function can be installed in the main and IP expansion cabinets. The DTI/PRI card
which carries a DCH daughterboard resides in the main and IP expansion cabinets.
Faceplate LEDs
NTAK09 1.5 Mb PRI and NTBK50 2.0 MB PRI cards
LEDs are located on the faceplate of the NTAK09 and NTBK50 cards. The DCHI LED is dual-
color (red and green). The LEDs are described in
page 544.
Table 236: Faceplate LEDs
State
On (Red)
On (Green)
Off
Power consumption
Power consumption is +5 V at 750 mA; +12 V at 5 mA; and –12 V at 5 mA.
Functional description
The main functional blocks of the NTAK93 architecture include the following.
544 Circuit Card Reference
NTAK93 is equipped and disabled.
NTAK93 is equipped and enabled, but not necessarily established.
NTAK93 is not equipped.
Comments? infodev@avaya.com
Table 236: Faceplate LEDs
Definition
on
July 2011