2.2 Rear Panel Input/Output Signals - Figure 2.1 shows the input and output connectors on the rear panel.
AC
GND
J18
10 MHZ REF
OUTPUT
J10
AND
MONITOR
CONTROL
J10 - MONITOR AND CONTROL
DB9 female connector. see Table
2.1.
J4
J3
10 MHZ
IF IN
EXT REF
J5 - IF OUT
140 or 70 MHz
-30 to -10 dBm output
J4 - IF IN
70 or 140 MHz
-20 to -10 dBm input
INPUT
J3 - 10 MHz EXT REF INPUT
10 MHz external reference input,
3 ± 3 dBm, 50 or 75 ohms, BNC
female connector.
J18 - 10 MHz REF OUTPUT
10 MHz reference output,
3 ± 3 dBm, 50 or 75 ohms, BNC
female connector.
AC - POWER IN
AC input for switching power supply.
100-240 ±10% VAC, 47-60 Hz.
J5
IF OUT
5
1
2
3
4
9
6
7
8
FIGURE 2.1 2083-914A Rear Panel I/O
ʼ
s
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 Open
8
Not Used
9
Alarm Relay: Normally Closed
*Remote Serial Interface
Interface: DB9 Male
Protocol: RS-232C, 9600 baud rate, no parity, 8 data bits, 1 start bit, 1 stop bit
2.3 Front Panel Controls and Indicators - The following are the front panel controls and indicators.
MENU
EXECUTE
70 > 145
MUTE
REMOTE
POWER
LCD DISPLAY
Display shows current translation in MHz, Attenuation in dB,
and indicates which 10MHz reference is selected (internal or
external), and is used to change settings in Program mode.
S1 - MENU/EXECUTE BUTTON
Press this to get into Program mode
and to execute any changes.
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
ALARM
ATN=00 REF=INT
DS5 - UP MUTE LED
Yellow LED indicates
signal is muted.
DS2 - UP ALARM LED
Red LED indicates an
alarm has occured.
FIGURE 2.2 2083-914A Front Panel Controls and Indicators
2083-914A Manual
Page 9
9/27/10
