Cross Technologies 2016-25-01, Инструкция по эксплуатации

Страница: 10 / 23

2.2 Rear Panel Input/Output Signals - Figure 2.2 shows the input and output connectors on the rear panel.
J1 - IF OUT A
70 MHz, -20 dBm output.
75
, BNC (female) -
see Table 2.2 for other options.
AC
GND
J3
J10
J18
10 MHZ REF
10 MHZ
AND
MONITOR
EXT REF
CONTROL
J1
IF OUT
OUTPUT INPUT
1 5 2 3 4
6 7 8 9
J2
MONITORS RF IN
1ST LO 2ND LO
J20
AC - POWER IN
AC input for switching power supply.
100-240 ±10% VAC, 47-60 Hz.
J10 - MONITOR AND CONTROL
DB9 female connector.
See Table 2.1.
J3 - 10 MHz EXT REF INPUT (option -E)
10 MHz external reference input, 0 ± 3 dBm,
75
BNC female connector.
J18 - 10 MHz REF OUTPUT (option -E)
10 MHz reference output, 0 ± 3 dBm.
75
BNC female connector.
J2 - RF IN
2000-2500 MHz, -70 to -20 dBm
input. 50
, BNC (female) - see
Table 2.2 for other options.
J20 - ETHERNET
CONNECTION
RJ45 Ethernet Connector
1st LO MONITOR
Sample of the 1st LO of the
downconverter
FIGURE 2.2 2016-25-01 Downconverter Rear Panel Inputs/Outputs
Table 2.1 J10 Table 2.1 J10 Pinouts (RS-485/RS-422/RS-232C)*
Pin Description
1 Rx-
2 Rx+ (RS-232C)
3 Tx+ (RS-232C)
4 Tx-
5 Ground
6 Alarm Relay - Common
7 Alarm Relay - Normally Open
8 Output Level Detector, 0 to +5 VDC (option W1 ONLY)
9 Alarm Relay - Normally Closed
*Interface: DB-9 Female; Protocol: RS-485, RS-422, or RS-232C (selectable),
9600 baud rate, no parity, 8 data bits, 1 start bit, 1 stop bit
TABLE 2.2 IIF/RF I F/RF Connector Optionns Optio ns
Option IF RF
STD BNC, 50 BNC, 50
B BNC, 75 BNC, 75
D BNC, 50 BNC, 50
N BNC, 75 Type N, 50
M BNC, 50 Type N, 50
SS SMA, 50 SMA, 50
2016-25-01 Manual _Rev A Page 10 3/26/09