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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
RF OUTPUT
INPUT
10MHZ REF
OUTPUT
INT
EXT
AUTO
S1
J1
L-BAND
INPUT
J101
J1 - L-BAND INPUT
BNC (female) 1.345 to 2.345 GHz,
-40 to -25 dBm input level range. 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 (DP3T) SWITCH
3-position switch. INT selects internal 10MHz ref.
EXT selects external ref., AUTO selects internal
10MHz ref, unless a 3 dBm, 10MHz reference
signal is connected to the external reference input.
J2 - EXT 10MHZ INPUT
BNC (female) 75
Ω
. Insert external
10MHz reference here (3 dBm, ± 3 dB).
J101 - RF OUTPUT
2.92 mm (female) 50
Ω
. 27.50 to 28.50
GHz, -20 to -5 dBm output level range.
See Table 2.2 for other connector
options.
J11 - PLL ALARM
DB9 (female) connector.
See Table 2.1.
J8 - 10MHZ REF OUTPUT
BNC (female) 75
Ω
. Outputs currently
selected 10MHz ref signal (3 dBm, ±3 dB).
J11
ALARM
1
5
2
3
4
6
7
8
9
FIGURE 2.1 2115-275-1845 Rear Panel I/O
ʼ
s
TABLE 2.1 J1
11
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
Connector
Options
L-Band
RF
BNC, 75
Ω
(STD)
SMA, 50
Ω
(STD)
F-Type, 75
Ω
SMA, 50
Ω
N-Type, 50
Ω
SMA, 50
Ω
SMA, 50
Ω
SMA, 50
Ω
2.3 Front Panel Indicators -The following are 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.
MODEL 2115
C
ROSS
T
ECHNOLOGIES INC.
POWER
UPCONVERTER
EXT
10MHZ
ALARM
FIGURE 2.2 2115-275-1845 Front Panel Controls and Indicators
2115-275-1845 Manual, Rev. 0
Page 6
07/20/17