2.2 Rear Panel Input/Output Signals - Figure 2.1 shows the input and output connectors on the rear panel.
INT AUTO EXT
GND
J102
AND
MONITOR
CONTROL
J8
J2 - EXT 10 MHz INPUT
BNC (Female), 75
Ω
insert
external 10 MHz reference
here (3 dBm ± 3 dB)
J11 - ALARM
DB9 (Female)
connector.
See table 2.1
1
5
2
3
4
6
7
8
9
J8-10 MHz OUTPUT
BNC (Female), 75
Ω
J101 - RF1 OUT
1.5 to 1.6 GHZ
BNC Type Female 50
Ω
-40 to -20 dBM
J102
8.4 to 8.5
N-Type Female 50
Ω
-20 to 0 dBM
J112
8.4 to 8.5
N-type Female 50
Ω
-20 to 0 dBM
S1
S1 - 10MHz SWITCH
3 position switch INT selects 10MHz
ref. Auto selects internal10MHZ ref.
unless a 0 dBm ± 3 dB 10 MHz
signal is inserted on J2 EXT selects
external 10MHz reference from J2.
J2
J101
J111
UPCON
J112
J111
1.8 to 1.9
BNC -40 to -20
RF2 IN
RF2 OUT
J11
RF1 IN
DOWNCON
J102
RF1 OUT
EXT REF
IN
RF
OUT
AC
AC INPUT
100-240 VAC, 47-60 Hz
Uses 2 amp Slow Blo,
5mm fuse.
Shown below (Option P48) - Rear Panel Input/Output Signals
with Option P48, 48 VDC nominal 36-72 VDC, 2.5A maximum.
INT AUTO EXT
GND
J102
AND
MONITOR
CONTROL
J8
1
5
2
3
4
6
7
8
9
36 TO 72 VDC
• •
• •
DC INPUT
1
2
3
4
J14
S1
J2
J101
J111
UPCON
J112
RF2 IN
RF2 OUT
J11
RF1 IN
DOWNCON
J102
RF1 OUT
EXT REF
IN
RF
OUT
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 2117-8485 Front Panel Controls and Indicators
2117-8485 Manual
Page 6
11/14/19
