Comtech EF Data OM20 - Manual (Page 67)

MN-OM20– Revision 5 5–1
Chapter 5. Rear Panel Interfaces
This section discusses the electrical interfaces available of the unit.
5.1 OM20 External Interface Connections
All OM20 external connections are interconnected to labeled connectors located on the front of
the unit. Any connection interfacing to the OM20 must utilize the appropriate mating connector
(supplied). Refer to Table 5.1 and Figure 5-1 for the standard unit. Reference throughout this
section will be identified as the OM20.
LABELS
J1 Power
J2 232/485 M&C/Terminal
J3 EIA-530 Data I/O / ES-ES Data/ Balanced G.703
J4 Ethernet (Data/M&C)
J6 Ground
J7 RX L-Band Input
J8 TX L-Band Output
J9 Compact Flash Card
J10 SD G.703 (DDI) Unbalanced, Optional ASI
J11 RD G.703 (IDO) Unbalanced, Optional ASI
J12 External Clock BNC
Table 5-1 OM20 Connection Designations