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Maintenance Architecture
555-233-123 1-24 Issue 4 May 2002
Facility Interface Codes
A Facility Interface Code (FIC) is a five-character code (United States only) that
provides the technical information needed to order a specific port circuit pack for
analog private lines, digital lines, MTS lines, and WATS lines.
Table 1-15 through Table 1-17 on page 1-25 list the FICs. Included are service
order codes, Ringer Equivalency Numbers (RENs), and types of network jacks
that connect a line to a rear panel connector on a carrier.
Table 1-15. Analog Private Line and Trunk Port Circuit Packs
Circuit Pack FIC
Service
Order Code Network
Jack
TN742 and TN747B Off-Premises
Station Port, and TN746B Off-Premises
Station Port or On-Premises Station
port 0L13C 9.0F RJ21X
TN760/B/C/D Tie Trunk TL31M 9.0F RJ2GX
Table 1-16. Digital Trunk Port Circuit Packs
Circuit Pack FIC
Service
Order Code Network
Jack
TN1654 and TN574 DS1 Converter; TN722B
DS1 Tie trunk; TN767 and TN464 DS1
Interface; TN2464 04DU9B,C 6.0P RJ48C
and
RJ48M