Table 3-1. Cdm-750 Rear Panel Connectors - Comtech EF Data CDM-750 Installation And Operation Manual

CDM-750 Advanced High-Speed Trunking Modem
Rear Panel Connections
Connector Group Ref
(Chapter 3 Sect.) Des
IF
J9
(Sect. 3.2.1)
J11
J12
J13
J10
Utility
J1
(Sect. 3.2.2)
J2
J3
J4
J8
Terrestrial Data
J5
(Sect. 3.2.3)
J6
J7
N/A
N/A
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.
See Sect. 3.1 Cabling Connections Types for information about each connector type and its
connection instructions.

Table 3-1. CDM-750 Rear Panel Connectors

Name Connector Type
L-BAND RX IN Type 'N' female
IF RX IN BNC female (70/140MHz band)
L-BAND TX OUT Type 'N' female
IF TX OUT BNC female (70/140MHz band)
TX MON Type 'SMA' female
ALARM 15-pin Type 'D' male
REDUNDANCY 9-pin Type 'D' female
REMOTE 9-pin Type 'D' male
MGMT RJ-45 female
EXT REF BNC female
DATA
RJ-45 female
DATA
SFP (Small Form Factor
OPTICAL
Pluggable) Module cage
INTERFACE OPTION
SLOT 1
PIIC (Plug-In Interface Card) slots
INTERFACE OPTION
SLOT 2
3–6
Revision 2
MN-CDM750
Function
IF Input
IF Output
Monitor L-Band Output
Form C Alarms (relay
closures)
Connection to External 1:1
Redundancy Switch
Serial Remote Interface
(EIA-485/232)
10/100 BaseT M&C
External Reference Input /
Output
10/100/1000 BaseT Gigabit
Ethernet traffic
Accepts optional hot-
pluggable SFP 1000Base-SX
850mm Transceiver Module
Accepts optional data
interface modules (e.g., G.703
E3/T3/STS-1, OC-3 Single /
Multi Mode. STM-1 Copper,
etc.)