Optional Circuit Cards; Digital Trunk Cards - Nortel Meridian 1 Planning And Installation Manual

Page 134 of 590

Optional circuit cards

Digital Trunk cards

553-3021-209 Standard 1.00
Chapter 12 — Installing the circuit cards
You must place the NTDK16 card in slot 04 of the Main Chassis.
Only install the NTDK16 48-port Digital Line Card in Slot 04 of the
Main Chassis. If you install another card in Slot 04, system damage
may result.
The 48-port Digital Line Card supports analog lines and trunks in the
Option 11C Mini system, for the following reasons:
• provides +8V power to the analog lines
• provides ring synchronization (zero current crossing) signal
• provides control circuitry for the Power Failure Transfer Unit (PFTU)
Procedure 10
NTDK16 48-port Digital Line Card installation
1 Insert the NTDK16 card in Slot 4 of the Main Chassis.
2 Lock the latches on the card.
Note 1: When the time comes to program this card in software,
configure it as cards 4, 5, and 6 separately.
Note 2: One LED indicates the status of Card 4.
—————————— End of Procedure ——————————
The Option 11C Mini supports the following digital trunk cards:
• NTAK09 1.5 Mbit DTI/PRI
• NTAK10 2.0 Mbit DTI
• NTAK79 2.0 Mbit PRI
• NTBK22 MISP
• NTBK50 2.0 Mbit PRI
July 1999
CAUTION