Comtech EF Data UT-4514F Especificaciones Pagina 55

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UT-4500-A Series Upconverters Revision 1
Rear Panel Connectors MN-UT4500A
3–5
3.2.1.7 J1 | COM1 EIA-485/232 Interface Connector (DB-9F)
The J1 COM1 EIA-485/EIA-232 Interface connector is a 9-pin Type "D"
female (DB-9F) connector. The mating connector is a DB-9M connector.
The pinout specification for EIA-485 2-Wire is provided in Table 3-4; EIA-
485 4-Wire is provided in Table 3-5; the specification for EIA-232 is
provided in Table 3-6.
Pin #
Description
1
2
TD; Transmit Data
3
RD; Receive Data
4
5
GND; Ground
6
7
8
9
3.2.1.8 Chassis Ground Connector
A #10-32 stud is used for connecting a common chassis ground among equipment.
Note: The AC power connector provides the safety ground.
Table 3-4. J1 – 2-Wire EIA-485 Pinout Table 3-5. J1 – 4-Wire EIA-485 Pinout
Pin #
Description
1
GND; Ground
2
3
4
+RX/TX; Signal
5
-RX/TX; Signal Complement
6
7
8
+RX/TX; Signal
9
-RX/TX; Signal Complement
Note: Pins 8 and 9 are the loop to the next
upconverter
Pin #
Description
1
GND; Ground
2
3
4
+TX; Signal
5
-TX; Signal Complement
6
7
8
+RX; Signal
9
-RX; Signal Complement
Table 3-6. J1 EIA-232C Pinout
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