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162 CHAPTER 4: FLEXIBLE INTERFACE CARDS
FIC-1E1-F/FIC-2E1-F/FIC-4E1-F
FIC-1E1-F/FIC-2E1-F/FIC-4E1-F, the 1-/2-/4-port fractional E1 interface card, differs
from the FIC-1E1/FIC-2E1/FIC-4E1 primarily in the sense that:
■ The FE1 operating mode supported by the E1-F cards allows only one n × 64
kbps bundle to be formed on each interface, where n = 1 to 31. However, an
E1 card allows arbitrary grouping of 31 channels and multiple bundles.
■ The FIC-E1-F cards do not support PRI mode.
Interface Attributes The following table describes the interface attributes of the FIC-E1 and FIC-E1-F
cards.
Interface LEDs The following figure illustrates the FIC-1E1 panel.
Figure 194 FIC-1E1 panel
The following figure illustrates the FIC-2E1 panel.
Table 112 Interface attributes of the FIC-E1 and FIC-E1-F cards
Attribute
Description
FIC-1E1/FIC-1E1-F FIC-2E1/FIC-2E1-F FIC-4E1/FIC-4E1-F
Connector DB-15 DB-15 DB-25
Number of
connectors
1 2 1
Interface
standard
G.703, G.704
Interface rate 2.048 Mbps
Cable type E1 75-ohm unbalanced coaxial cable
E1 120-ohm balanced twisted-pair cable
120-ohm 4E1 adapter cable (FIC-4E1/FIC-4E1-F)
75-ohm 4E1 adapter cable (FIC-4E1/FIC-4E1-F)
Coaxial connector, network connector, 75-to-120-ohm adapter (with BNC
connector)
Operating mode E1, CE1, ISDN PRI (only supported by the FIC-E1 cards)
FE1 (only supported by the FIC-E1-F cards)
Supported
service
Backup
Leased line
ISDN PRI (only supported by the FIC-E1 cards)