Справочник Пользователя для Nortel Networks Option 11C Mini
Chapter 2 — Identifying the Option 11C Mini equipment
Page 41 of 332
Option 11C Mini
Planning and Installation Guide
•
additional Modem Eliminator (NULL Modem without hardware
handshaking). The A0601397 converter may be required to interface the
DTE to the system.
handshaking). The A0601397 converter may be required to interface the
DTE to the system.
•
industry-standard Ethernet Medium Access Unit (MAU)
Differences between Option 11C Mini and Option 11C
Refer to Table 7 for a comparison of the Option 11C Mini and Option 11C
systems.
systems.
Table 7
Comparison of Option 11C Mini and Option 11C
Comparison of Option 11C Mini and Option 11C
Item
Option 11C Mini
Option 11C
Physical packaging
Main Chassis NTDK91
Chassis Expander NTDK92
Chassis Expander NTDK92
Main cabinet NTAK11
Two copper cables connect the
Main Chassis to the Chassis
Expander.
Main Chassis to the Chassis
Expander.
Fiber-optic cable connects the
Main Cabinet to the Expansion
Cabinet (upgraded systems may
still have copper cable
connection).
Main Cabinet to the Expansion
Cabinet (upgraded systems may
still have copper cable
connection).
Capacity
Main Chassis:
•
4 physical slots
•
logical slots (slots 1-6)
Chassis Expander
•
4 physical slots
slots (slots 7-10)
slots (slots 7-10)
Main Cabinet:
•
10 physical slots
(slots 1-10)
(slots 1-10)
Expansion Cabinet
•
Up to 4 additional NTAK11
cabinets can be connected
with fiber-optic cable
(slots 20-50)
cabinets can be connected
with fiber-optic cable
(slots 20-50)
Supports up to 144 lines
Supports up to 700 lines
Chassis installation
Four chassis installation options:
•
vertically on a wall
•
horizontally on a wall
•
rack/cabinet
•
table
Two chassis installation options:
•
wall
•
floor
Cooling
Forced air, thermally controlled
cooling
(Fan installed inside chassis)
cooling
(Fan installed inside chassis)
convection cooling