Nortel Networks 311 User Manual
Functional description
883
LED
State
Definition
Flashing (Green)
The clock controller is switched on and locking onto the primary
reference.
reference.
Off
The clock controller is switched off.
Note: See
in this chapter for
more on tracking and free-run operation.
Power requirements
The 2MB DTI obtains its power from the backplane. It draws less than 2 A
on +5 V, 50 mA on +15 V and 50 mA on –15 V.
on +5 V, 50 mA on +15 V and 50 mA on –15 V.
The 2MB DTI obtains its power from the backplane. It draws less than 2A
on +5V, 50mA on +15V and 50mA on -15V.
on +5V, 50mA on +15V and 50mA on -15V.
The 2MB DTI obtains its power from the backplane. It draws less than 2 A
on +5 V, 50 mA on +15 V and 50 mA on –15 V.
on +5 V, 50 mA on +15 V and 50 mA on –15 V.
Environment
The NTAK10 card meets all applicable Nortel operating specifications.
The NTAK10 meets all applicable Nortel Networks operating specifications.
The NTAK10 card meets all applicable Nortel Networks operating
specifications.
specifications.
Functional description
The NTAK10 provides the following features and functions:
•
a clock controller that can be switched in as an option
•
software-selectable A/µlaw operation
•
software-selectable digital pads on a per channel basis
•
frame alignment and multiframe alignment detection
•
frame and multiframe pattern generation
•
CRC-4 transmission and reception (software selectable)
•
card status and alarm indication with faceplate-mounted LEDs
•
Periodic Pulse Metering (PPM) counting
•
outpulsing of digits on any of the ABCD bits
•
Card-LAN for maintenance communication
Nortel Communication Server 1000
Circuit Card Reference
NN43001-311
01.04
Standard
Release 5.0
23 May 2008
Copyright © 2003-2008, Nortel Networks
.