2.2 Rear Panel Input/Output Signals
Figure 2.2 shows the input and output connectors on the rear panel.
AC
GND
J18
J2
RF IN
10 MHZ REF
OUTPUT
AC - POWER IN
AC input for switching
power supply.
100-24 ±10% VAC, 47-60 Hz
J2 - RF IN
-70 to-30 dBm input signal.
Type N (female) see Table
2.2.
J1 - IF OUT
-20 to 0 output signal.
BNC (female)
see Table 2.2.
J10
MONITOR
AND
CONTROL
J10 - MONITOR AND CONTROL
DB9 (female) - see Table 2.1
J3
10 MHZ
EXT REF
INPUT
J3 - 10 MHz EXT REF INPUT
3 ± 3 dBm, 10 MHz external reference
input. 50/75
Ω
BNC (female)
J1
IF OUT
J18 - 10 MHz REF OUTPUT
+3 ± 3 dBm, 10 MHz reference
output. 50/75
Ω
BNC (female).
5 4 3 2
1
9 8 7
FIGURE 2.2 2016-57 Rear Panel I/Os
TABLE 2.1 JJ10
2.1
J10 Pinouts (RS-232C*)
Pin
Function
1
Not Used
2
Rx+ (RS-232C)
3
Tx+ (RS-232C)
4
Not Used
5
GND
6
Alarm Relay: Common
7
Alarm Relay: Normally Closed
8
Not Used
9
Alarm Relay: Normally Open
*Remote Serial Interface
Interface: DB-9 Female
Protocol: RS-232C, 9600 baud rate, no parity,
8 data bits, 1 start bit, 1 stop bit
2.3 Front Panel Controls and Indicators
Figure 2.3 shows the front panel controls and indicators.
MENU
EXECUTE
REMOTE
ALARM POWER
LCD DISPLAY
Display shows Downconverter
frequency in MHz and Gain in dB
S1 - MENU/EXECUTE BUTTON
Press this to get into Program mode
and to execute any changes.
DS3 - ALARM LED
Red LED indicates
downconverter alarm.
DS6 - POWER LED
Green LED indicates
presence of DC power.
DS1 - REMOTE LED
Yellow LED indicates
remote operation.
S2 - VERT. TOGGLE
Vertical toggle switch that controls values in the
Menu items when in program mode. Does not
function in the normal display mode
S3 - HORIZ. TOGGLE
Horizontal toggle switch that controls
which values are being adjusted. Does
not function in the normal display mode
F=5950.125
G=+30.0
FIGURE 2.3 2016-57 Front Panel Controls and Indicators
2016-57 Manual, Rev 0.
Page 10
7/14/20
