Anritsu MT8801C - Rear Panel Layout

Section 3 Panel Layout and Overview of Operation
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3.1.2 Rear panel layout
This paragraph describes the switch and connectors on the rear panel.
No. Display Function
19 O I Input switch for AC power supply. If this switch is turned off, the Power
switch on the front panel cannot be turned on.
20 (Fuses) Power supply fuses. For safety, always use fuses of the specified rating.
21 Frame grounding terminal. For safety, always ground this terminal.
22 (Memory card cover) The memory card is built-in. Close the cover for card use.
23 (Power supply inlet) For safety, always use a power supply of the rated voltage.
24 GPIB GPIB interface connector.
25 Parallel Parallel interface connector (conforms to Centronics type).
Used to connect printer (D-SUB connector, 25-pin, female).
26 Serial RS232C interface connector (D-SUB connector, 9-pin, female).
27 10 MHz Buffered Output 10 MHz reference signal (TTL level) for internal use is output (BNC
connector).
28 10 MHz/13 MHz Reference Input
10 MHz or 13 MHz reference signal (2 to 5 Vp-p) is input (BNC connector).
29 Detector Output RF burst signal detection output connector (BNC connector).
30 BER Input Signal input connectors for measuring bit error rate (BNC connector).
Data Input connector for measurement data of bit error rate (BNC connector).
TTL level signal is input.
Clock Input connector for clock of bit error rate (BNC connector).
TTL level signal is input.
31 Ext FM Input External FM modulation signal input connector for Analog measurement,
(BNC connector)
32 Demod Output FM demodulated signal monitor connector for Analog measurement, (BNC
connector)
33 Ext Trig Input Input connector for external trigger signal (BNC connector). TTL level
signal is input.
34 Ext Trig Output Output connector for external trigger signal (BNC connector). TTL level
signal is output.
35 (Fan) Instrument internal air cooling fan.
36 CDMA Reference Input Not used.
37 CDMA Reference Output Output connector for CDMA clock signal (BNC connector). TTL level signal
is output.
38 CDMA Timing Connector for CDMA timing (D-SUB25 connector, 25 pins, female).