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Toshiba 4 Circuit Station Interface Unit
Model # SSTU-5

One per Se system when expansion to 8 stations is desired. Expands VI system by 4 stations. Maximum 2 per VI system. Read More

Toshiba Strata Se Release 2 Key Service Unit
Model # HKSU-605

Strata Se Release 2 Key Service Unit includes common equipment and power supply. Unit is equipped for 2 central office/PBX lines, 4 stations and 2 intercoms. One per system. Read More

Toshiba OCA Auxiliary Unit
Model # HVSI

Off-Hook Call Announce (OCA) Unit. One per EKT where OCA is desired. One HVSU is required for each HVSI. Read More

Toshiba OCA Base Unit (Refurbished)
Model # HVSU

Off-Hook Call Announce (OCA). One per EKT where OCA is desired. One HVSI is required for each HVSU. Read More

Toshiba 48V Power Supply/Ring Generator
Model # MRGU12-A

48V Power Supply/Ring Generator is used with 1 - HOXB on Se system and up to 3 - HOXB on VI systems. Read More