Low-Speed Data Services Modules - Nortel Passport 4400 Series Hardware Installation Manual
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Also See for Passport 4400 Series:
- Introduction manual (145 pages) ,
- Hardware installation (176 pages)
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Data Modules
Low-speed Data Services Modules
The Legacy Data Module (LDM) provides interface ports to support legacy data
protocols in Passport 4400. Additional interface ports are supported through the
use of the Legacy Data Expansion Module (LEM).
Rear View
Rear View
Indicators
Pins for LDM Memory
Expansion Card
Indicators
Stacking
Connectors
Figure 7-3. Legacy Data Module
Stacking
Connectors
Figure 7-4. Legacy Data Expansion Module
Passport 4400 Hardware Installation Module
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7-3
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