Chapter 2 — Identifying the Option 11C Mini equipment

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additional Modem Eliminator (NULL Modem without hardware 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.

Table 7

Comparison of Option 11C Mini and Option 11C

Item

Option 11C Mini

Option 11C

 

 

 

Physical packaging

Main Chassis NTDK91

Main cabinet NTAK11

 

Chassis Expander NTDK92

 

 

 

 

 

 

Two copper cables connect the

Fiber-optic cable connects the

 

Main Chassis to the Chassis

Main Cabinet to the Expansion

 

Expander.

Cabinet (upgraded systems may

 

 

 

still have copper cable

 

 

 

connection).

 

 

 

Capacity

Main Chassis:

Main Cabinet:

 

4 physical slots

10 physical slots

 

logical slots (slots 1-6)

 

(slots 1-10)

 

 

 

 

Chassis Expander

Expansion Cabinet

 

• Up to 4 additional NTAK11

 

4 physical slots

 

 

cabinets can be connected

 

 

slots (slots 7-10)

 

 

 

 

with fiber-optic cable

 

 

 

 

 

 

 

 

(slots 20-50)

 

 

 

 

Supports up to 144 lines

Supports up to 700 lines

 

 

 

Chassis installation

Four chassis installation options:

Two chassis installation options:

 

vertically on a wall

wall

 

horizontally on a wall

floor

 

rack/cabinet

 

 

 

table

 

 

 

 

 

Cooling

Forced air, thermally controlled

convection cooling

 

cooling

 

 

 

 

(Fan installed inside chassis)

 

 

 

 

 

 

 

Option 11C Mini Planning and Installation Guide

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Nortel Networks manual Differences between Option 11C Mini and Option 11C, Comparison of Option 11C Mini and Option 11C