Cross 2017-74, Инструкция по эксплуатации

Страница: 10 / 19

2.2 Rear Panel Input/Output Signals and Control
Figure 2.1 shows the input and output connectors on the rear panel.
RF OUT
J4
J5
J3
10 MHZ
IF IN
EXT REF
J3 - 10 MHz EXT REF INPUT (Option -E)
10 MHz external reference input, 3 ± 3 dBm,
50
/75 , BNC female connector.
J5 - RF OUT
4500-4800 MHz output,
0 to -20 dBm out, see Table 2.2. J4 - IF IN
70 MHz input, -40 to -10 dBm in, see
Table 2.2.
UPCONVERTER
INPUT
AC
GND
J18
J2
RF IN
10 MHZ REF
OUTPUT
AC1 - POWER IN
AC input for switching
power supply.
100-240 ±10% VAC,
47-60 Hz. J2 - RF IN
6700-7025 MHz input, -60
to -30 dBm, see Table 2.2. J1 - IF OUT
70 MHz output, -10 to 0
dBm, see Table 2.2.
J10
AND
MONITOR
CONTROL
J10 - MONITOR AND CONTROL
DB9 female connector.
see Table 2.1.
DOWNCONVERTER
J1
IF OUT
J18 - 10 MHz REF OUTPUT (option -E)
10 MHz reference output. +3 dBm ± 3 dB
50
/75 BNC female connector.
1 5 2 3 4
6 7 8 9
Figure 2.1 Rear Panel I/O’s
TABLE 2.1 JJ10 J10 Pinouts (RS-232C/422/485*)
Pin Function
1 Rx-
2 Rx+ (RS-232C)
3 Tx+ (RS-232C)
4 Tx-
5 GND
6 Alarm Relay: Common
7 Alarm Relay: Normally Open
8 Not Used
9 Alarm Relay: Normally Closed
TABLE 2.2 IIF/RF I F/RF Connector O Options Options
Option IF RF
STD BNC, 75 Type N, 50
-M BNC, 50 Type N, 50
-B BNC, 75 BNC, 75
-C BNC, 75 BNC, 50
-D BNC, 50 BNC, 50
-N BNC, 75 Type N, 50
*Remote Serial Interface
Interface: DB-9 Female
Protocol: RS-232C (RS-232C/422/485 option -Q),
9600 baud rate, no parity, 8 data bits, 1 start bit, 1 stop bit.
2017-74 Manual, Rev. B Page 10 10/27/10