AT&T 3B2/300 Technical Reference Manual page 117

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AT&T Cartridge Tape Module
Major Assemblies
The AT&T Cartridge Tape Module is a 3B2 computer external cartridge tape unit with built-in
power supply. The cartridge tape module cabinet houses one 23-megabyte cartridge tape drive and a
power supply. The cartridge tape unit is the same tape unit used in the AT&T/XM and 3B2/400. A
cartridge tape drive connects to the host 3B2 computer via a CMl 95H Cartridge Tape Controller Card.
The CM195H is installed in a 3B2 computer feature card slot. The AT&T Tape Module is a low-cost
alternative to using an AT&T/XM to provide cartridge tape backup capability when the additional hard
disk drive expansion is not required. Soft power control is not provided with the AT&T Tape Module.
The AT&T Tape Module is available only with a power supply for 115 volts AC operation.
EQUIPMENT DESCRIPTION 2-93