Nortel Networks 1000 - Manual (Page 781)

Functional description 781
Table 331
NTAK10 LED states (cont’d.)
LED State Definition
Flashing (Green) The clock controller is switched on and locking onto the primary
reference.
Off The clock controller is switched off.
Note: See “Clock controller interface” (page 793) 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.
The 2MB DTI obtains its power from the backplane. It draws less than 2A
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.
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.
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 02.06 Standard
27 August 2008
Copyright © 2003-2008 Nortel Networks
.