3301A MAINFRAME OPERATION MANUAL 7
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2-11.Master/Slave operating mode
Fig 2-6 shows the connection of two 3301A mainframe is Master/Slave operating mode. The
connection method is shown below：
1.The Master unit of 3301A mainframe's rear panel connects the GPIB cable to the controller
(computer)
2.Use 25 pin "D" type cable to connect two 3301A mainframe (Master and Slave unit)
3.The channel number of Master / Slave operating is shown in Fig 2-7, i.e.; in the Master
unit from left to right：ch1, ch2, ch3 and ch4, and in Slave unit from left to right: ch5,
ch6, ch7 and ch8 respectively.
4.Please disconnect the 25 pin "D" type cable when Master / Slave operating mode is not used.
CH1 CH2 CH3 CH4
CH1 CH2
CH3
CH4
COMPUTER
GPIB CABLE
DC LOAD
MASTER
SLAVE
D-SUB 25Pin
CABLE
DC LOAD
Figure 2-6 The channel number of Master/Slave operation
Summary of Contents for 3301A
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