Nortel Networks 311 User Manual
956
NTAK93 D-channel Handler Interface daughterboard
LEDs are located on the faceplate of the NTAK09 and NTBK50 cards. The
DCH LED is dual-color (red and green), with states represented as follows:
DCH LED is dual-color (red and green), with states represented as follows:
Table 400
Faceplate LEDs
Faceplate LEDs
State
Definition
On (Red)
NTAK93 is equipped and disabled.
On (Green)
NTAK93 is equipped and enabled, but not necessarily established.
Off
NTAK93 is not equipped.
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
DCHI LED is dual-color (red and green). The LEDs are described in
Table 401
Faceplate LEDs
Faceplate LEDs
State
Definition
On (Red)
NTAK93 is equipped and disabled.
On (Green)
NTAK93 is equipped and enabled, but not necessarily
established.
established.
Off
NTAK93 is not equipped.
Power consumption
Power consumption is +5 V at 750 mA; +12 V at 5 mA; and –12 V at 5 mA.
Power consumption is +5V at 750mA; +12V at 5mA; and -12V at 5mA.
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.
The main functional blocks of the NTAK93 architecture include the following.
The main functional blocks of the NTAK93 architecture include the following.
Microprocessors
One microprocessor does the following:
•
handles data transfer between each pair of serial ports and software
•
reports the status of each port
•
takes commands from software to control the activities of the ports
Nortel Communication Server 1000
Circuit Card Reference
NN43001-311
01.04
Standard
Release 5.0
23 May 2008
Copyright © 2003-2008, Nortel Networks
.