If Connections; Rx If Connector; Tx If Connector; Table 3-1. Cdm-840 Rear Panel Connectors - Comtech EF Data CDM-840 Installation And Operation Manual

CDM-840 Remote Router
Rear Panel Connector and Pinouts
Connector Group Name / Ref Des
L-BAND Rx
IF
Sect. 3.2 L-BAND Tx
Terrestrial Data
G.703
Sect. 3.3
TRAFFIC GE
Utility
MANAGEMENT FE
Sect. 3.4
REDUNDANCY
CONSOLE
AC
Power/Ground
Sect 3.5
DC
Ground
Note: The European EMC Directive (EN55022, EN50082-1) requires using properly shielded
cables for DATA I/O. These cables must be double-shielded from end-to-end, ensuring a
continuous ground shield.
3.2

IF Connections

There may be DC voltages present on the Type 'N' Rx and Tx IF connectors, up
to a maximum of 48 volts.
CA UTIO N
3.2.1

Rx IF Connector

3.2.2

Tx IF Connector

Table 3-1. CDM-840 Rear Panel Connectors

Connector Type
50Ω Type 'N' female
50Ω Type 'N' female
OUT
(FUTURE) The G.703 interfaces are not operational in this release.
IN
RJ-45 female
RJ-45 female
9-pin Type 'D' female
9-Pin Type 'D' male
See Sect. 3.5.1
See Sect. 3.5.2
#10-32 stud
Ref Des Connector Type
L-BAND Rx Type 'N' 50Ω Female
Ref Des Connector Type
L-BAND Tx Type 'N' 50Ω Female
Function
L-Band Input
L-Band Output
10/100/1000 BaseT Gigabit Ethernet interface (IEEE
802.3ab)
10/100 BaseT Fast Ethernet management/data interface
(IEEE 802.3u)
(FUTURE) The 1:1 Redundancy Interface is not
operational in this release.
Serial Remote Interface (EIA-232)
Chassis power
Chassis power (optional)
Common Chassis Ground
Description
Rx IF Signal, L-Band
Description
Tx IF signal, L- Band
3–2
Revision 0
MN-CDM840
Direction
In
Direction
Out