Nortel Meridian 1 Option 11C Upgrade Manual page 72

Page 72 of 224 Upgrade a two-cabinet system with metal cable to Option 11C
553-3021-250 Standard 7.00
b If you plan to add a second expansion daughterboard as part of
the upgrade, install it now. Install it to the connector labeled "Fiber
2" to prevent additional downtime later. Refer to the Option 11C
Planning and Installation Guide (553-3021-210) for detailed
information about adding expansion cabinets to existing Option
11C systems.
Figure 27
NTDK20 SSC card
Security Device
Software Daughterboard
First Fiber Expansion
Daughterboard
Second Fiber Expansion
Daughterboard
April 2000