2.2
Rear Panel Input/Output Signals
Figure 2.1 shows the input and output connectors on the rear panel.
AC
GND
J8
J2
EXT 10MHZ
IINPUT
RF INPUT
10MHZ REF
OUTPUT
INT
EXT
AUTO
S1
J101
J11
ALARM
J1 - RF OUTPUT
SMA (female) 50
Ω
. 10.70 to 12.0 GHz,
-40 dBm max output signal. See Table
2.2 for other connector options.
AC INPUT
100-240 ±10% VAC,
47-63 HZ
Uses 2 amp Slow Blo,
5mm fuse
S1 - 10MHZ SWITCH
3-position switch. INT selects internal 10MHz ref.
AUTO selects internal 10MHz ref, unless a
+3dBm ±3dB 10MHz signal is inserted on J2.
EXT selects external 10MHz ref. from J2.
J2 - EXT 10MHZ INPUT
BNC (female) 50
Ω
/75
Ω
. Insert external
10MHz reference here (+3 dBm ± 3 dB).
J101 - RF INPUT
SMA (female) 50
Ω
. 12.75 to
14.0 GHz, -10 dBm max input
signal. See Table 2.2 for other
connector options.
J11 - ALARM
DB9 (female) connector.
See Table 2.1.
J8 - 10MHZ REF OUTPUT
BNC (female) 50
Ω
/75
Ω
.
Outputs the currently selected
10MHz ref signal (+3 dBm ±3 dB).
RF OUTPUT
J1
1
5
2
3
4
6
7
8
9
FIGURE 2.1 2116-140T120 Rear Panel I/O
ʼ
s
TABLE 2.1 J11 Pinouts (DB9)
TABLE 2.1 J11 Pinouts (DB9)
Pin
Function
1
Not Used
2
Not Used
3
Not Used
4
Not Used
5
GND
6
Alarm Relay: Common
7
Alarm Relay: Normally Open
8
Not Used
9
Alarm Relay: Normally Closed
TABLE 2.2 Connector Options
TABLE 2.2 Connector Options
TABLE 2.2 Connector Options
Option
L-Band
RF
STD
SMA, 50
Ω
SMA, 50
Ω
NN
N-type, 50
Ω
N-type, 50
Ω
2.3
Front Panel Indicators
Figure 2.2 shows the front panel indicators.
DS2 - ALARM LED
Lights RED when PLL comes
out of lock.
DS1 - POWER LED A
Lights GREEN when DC voltage is
present from AC power supply.
DS3 - EXT 10MHZ LED
Lights YELLOW when external
10MHz reference is active.
POWER
EXT
10MHZ ALARM
FIGURE 2.2 2116-140T120 Front Panel Controls and Indicators
2116-140T120 Manual, Rev. 0
Page 6
8/11/2022
