Excell
MT-16
MT-80

Standard
MT-16H-KSU 8x16 Key Service Unit
MT-STU-A 2x4 EKT Expansion Card
MT-STU-B 2x4 SLT Expansion Card
MT-STU-C 2x4 E&M Expansion Card
MT-16T Standard Telephone
MT-16T-LCD Display Telephone

Excell
EXCEL-816-KSU Key Service Unit
EXCEL-2CO-EX 2-port Line Expansion Card
EXCEL-816 Standard Telephone
EXCEL-816-LCD Display Telephone

MT-80
CPU Central Processor Card
MISC Miscellaneous Card
TONE D'bd Tone Daughterboard Card
TRK-A 4 Loop Start Trunk Card
TRK-B 4 Loop/Ground Start Trunk Card
TRK-C 8 Loop Start Trunk Card
TRK-D 8 Loop/Ground Trunk Card
DID 8 DID Line Interface Card
E/M 4 E/M Tie Line Interface Card
SLC-A 8 SLT Interface Card
SLC-B 8 SLT Interface Card w/PFT
MSLC 8 MT-30/MT-DSS-A Card
MSLC-B 8 MT-16H Card
PWR Power Supply
R/G Ring Generator
MT-20D Digital Phone
MT-30X Multi-button Key phone
MT-16T Multi-button Key phone
MT-DSS-A DSS/BLF Unit
MT-DSS-D DSS/BLF Unit
MT-80-KSU Key Service Unit