Cassette Interface Connector Specifications - IBM 5150 Hardware Reference Manual

Cassette Interface Connector Specifications
REAR PANEL
o
5 PIN DIN CONNECTOR
PIN SIGNAL ELECTRI CAL CHARACTE RISTICS*
1 Motor Control Common from Relay
2 Ground
3
Motor Control 6 VDC; lA (Relay N.O.)
4
Data In
500nA at ±13V - at 1,000 - 2,000 Baud
5
Data Out (Mic or Aux)
250 JiA at
} .68V
or **
75mv
*All voltages and currents are maximum ratings and should not be exceeded_
**Data out can be chosen using a jumper located on planar ­
(AUX
-+
_68V or MIC
-+
75 mV).
Interchange of these voltages on the cassette recorder could lead to damage
of recorder inputs.
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