Comtech EF Data OM20 - Manual (Page 26)

OM20 Universal Outdoor Modem Installation
MN-OM20– Revision 5 2–6
2.4.2 OM20 General Antenna Post Mount Diagram
The OM20 and BUC can be mounted vertically on the antenna King post. This is the preferred
method of mounting on smaller diameter antenna systems where sufficient support of the feed
boom arm is not available.
AC
PWR
DATA / M & C
INTERFACE
M & C I / O
EIA - 530 DATA / M & C I / O
ENET DATA / M & C I / O
G . 703 DATA TX
G . 703 DATA RX
IFL
INDOOR OUTDOOR
RJ 45
OM -20
J 7
RX INPUT TX OUT
AC PWR
J 1
J 2 M & C I / O
J 3 DATA I / O
J 4 ENET I / O
G . 703
DATA I / O
J 10 J 11
N
38 P
BNC 3 P BNC
18 P
BUC / SSPA
TX RF OUT TX IF IN
TX RF
RXIF L - BAND
950 – 2050 MHz
+ 18 VDC
T X R F
RX IF
L
N
B
OMT
Figure 2-5. OM20 Antenna Post Mount