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170 CHAPTER 4: FLEXIBLE INTERFACE CARDS
■ The FE1 operating mode supported by the FIC-8E1-F card allows only one n ×
64 kbps bundle to be formed on each interface, where n = 1 to 31. However, a
FIC-8E1 card allows arbitrary grouping of 31 channels and therefore multiple
bundles.
■ The FIC-8E1-F card does not support PRI mode.
n
Given a FIC-8E1 card, the system automatically creates a serial interface for each
timeslot bundle formed on a controller E1 interface.
Interface Attributes The following table describes the interface attributes of the FIC-8E1/FIC-8E1-F
cards.
Interface LEDs FIC-8E1 and FIC-8E1-F panels are similar. The following figures illustrate the
FIC-8E1 panels.
Figure 207 FIC-8E1 (120-ohm) panel
Figure 208 FIC-8E1 (75-ohm) panel
Table 116 Interface attributes of the FIC-8E1/FIC-8E1-F card
Attribute
Description
FIC-8E1/FIC-8E1-F (75-ohm) FIC-8E1/FIC-8E1-F (120-ohm)
Connector DB-68
Number of
connectors
1
Interface standard G.703
Interface rate 2.048 Mbps
Cable type 75-ohm 8E1 conversion cable 120-ohm 8E1 conversion cable
Operating mode E1, CE1, ISDN PRI (only supported by the FIC-8E1)
FE1 (only supported by the FIC-8E1-F)
Supported service 1) Backup
2) Terminal access service
3) ISDN PRI (only supported by the FIC-8E1)