Maintenance Object Repair Procedures
555-233-123
10-2002 Issue 4 May 2002
XXX-BD Common Circuit Packs
The following list of circuit packs are listed by apparatus code, including circuit
packs used in non-United States installations. .
Table 10-720. XXX-BD Common Circuit Packs
Apparatus Code Name Type
(TN566)
(TN567)
DEFINITY AUDIX R3 System Port Assembly
(TN2208) Call Visor ASAI over the DEFINITY (LAN) Gateway R1 Port Assembly
TN417 Auxiliary Trunk Port
TN419B Tone-Clock Control
TN420B/C Tone Detector Service
TN429 Direct Inward/Outward Dialing (DIOD) Trunk Port
TN433 Speech Synthesizer Service
TN436B Direct Inward Dialing Trunk Port
TN437 Tie Trunk Port
TN438B Central Office Trunk Port
TN439 Tie Trunk Port
TN447 Central Office Trunk Port
TN457 Speech Synthesizer Service
TN458 Tie Trunk Port
TN459B Direct Inward Dialing Trunk Port
TN464C/ D/E/ F DS1/E1 Interface - T1, 24 Channel - E1, 32 Channel Port
TN465/B/C Central Office Trunk Port
TN467 Analog Line Port
TN468B Analog Line Port
TN479 Analog Line Port
TN497 Tie Trunk Port
TN553 Packet Data Line Port
TN556/B ISDN-BRI 4-Wire S/T-NT Line (A-Law) Port
TN570/B/C Expansion Interface Port
TN572 Switch Node Clock Control
TN573/B Switch Node Interface Control
TN574 DS1C - T1, 24 Channel Port
TN577 Packet Gateway - G3r Only Port
TN722B Digital Signal Level 1 Tie Trunk Port
TN725B Speech Synthesizer Service
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