Fiber Receiver Cards - Meridian Nortel 1 Option 11C Technical Reference Manual

Page 442 of 544

Fiber Receiver cards

553-3011-100 Standard 14.00
Cable specifications and interfaces
Fiber Receiver cards installed in the Fbr Rx slot (slot 0) of expansion cabinets
allow the connection of fiber optic cables from the main cabinet. There are
three types:
• The NTDK23 Fiber Receiver card
• The NTDK25 Fiber Receiver card
• The NTDK80 Fiber Receiver card
NTDK23 Fiber Receiver card
The NTDK23 Fiber Receiver card is used when the expansion cabinet is
within 10 m (33 ft) of the main cabinet. It connects to one A0618443 Fiber
Optic cable.
One of these cards is required for each expansion cabinet located within 10 m
(33 ft) of the main cabinet. The NTDK23 Fiber Receiver card works in
conjunction with either an NTDK22 or an NTDK84 Fiber Expansion
Daughterboard in the main cabinet.
NTDK25 Fiber Receiver card
The NTDK25 Fiber Receiver card is used when the expansion cabinet is
located up to 3 km (1.8 mi) of the main cabinet. It connects to one multimode
glass fiber optic cable which is dedicated to the Option 11C system. One of
these cards is required for each expansion cabinet located up to 3 km (1.8 mi)
of the main cabinet, connected by multimode fiber optic cable. The NTDK25
Fiber Receiver card works in conjunction with either an NTDK24 or an
NTDK85 Fiber Expansion Daughterboard in the main cabinet.
Note: The NTDK24 supports only Multimode glass fiber optic cable.
NTDK80 Fiber Receiver card
The NTDK80 Fiber Receiver card has the same features as the NTDK25
except that:
• it requires Single Mode glass fiber optic cable
• it works in conjunction with an NTDK79 Fiber Expansion
Daughterboard in the main cabinet instead of an NTDK24 card.
Note: The NTDK80 supports only Single Mode glass fiber optic cable.
January 2002