Comtech EF Data DT-4500 Series - Grounding; External Reference Connectors; Ethernet Connector; Serial Connectors

DT-4500 Series C- and Ku-Band Down Converters MN/DT4500.IOM
Specifications Revision 2
2–4
2.1.8.1.4 Grounding
A #10-32 stud provides a common chassis ground connection among equipment.
2.1.8.2 External Reference Connectors
• (1X) Type BNC female ‘J2A| REF IN’ connector, used to supply a 5 MHz
(10 MHz optional) @ +3 dBm master reference input to the entire
chassis.
• OPTIONAL (1X) Type BNC female ‘J2B| REF OUT’ connector, used to
supply a 5 or 10 MHz @ +3 dBm reference output for customer use.
2.1.8.3 Ethernet Connector
(1X) 100BaseTX RJ-45 female ‘Ethernet’ Management Utility Port for operation
of the Ethernet remote control interfaces (SNMP, Telnet, HTTP).
2.1.8.4 Serial Connectors
• Summary Alarm: (1X) DB-9F (D-Subminiature) ‘P1 | Relay’ Utility
Connector to access the Form C Alarms (relay closures).
• Serial Remote Control Interface: (1X) DB-9F (D-Subminiature) ‘J1 |
COM1’ EIA-232/EIA-485 (2-Wire/4-Wire) connector.
2.1.8.5 Removable “Personality” Modules
Contact Comtech EF Data Product Support for information about using
the available “personality” modules.
2.1.8.5.1 IOM (Input/Output Module) Assemblies
CEFD P/N
Impedance
(Ohms)
Comments
AS/0101-1
75
DT-4503, UT-4505 I/O, Type ‘SMA’
AS/0101-2
75
DT-4503, DT-4572, UT-4505, UT-4579 Non-switching, Type ‘N’
AS/0101-9 50 DT-4503, DT-4572, UT-4505, UT-4579 Non-switching, Type ‘N’
AS/0101-15 50 DT-4503 I/O, UT-4505 Type ‘SMA’
AS/0101-19 75 UT-4518 w/Isolator, Type ‘SMA’