Cabling Connections; Table 3-1. Cdm-840 Rear Panel Connectors; Figure 3-3. Cdm-840 Cabling Connections - Comtec CDM-840 Installation And Operation Manual

CDM-840 Remote Router
Rear Panel Connections
3.2 CDM-840 Cabling Connections
The CDM-840 rear panel connectors, shown here in Figure 3-3 provide all necessary external
connections between the unit and other equipment.
Table 3-1 summarizes the available connectors, grouped according to service function.
Conn. Group Name
Group (Chapter Sect.)
IF Connector Group
1
(3.2.1)
Terrestrial Data
2 Connector Group
(3.2.2)
Utility Connector
3
Group (3.2.3)
See Sect. 3.1 Overview – Cabling Connections Types for information about each connector
type and its connection instructions.
(TOP) Standard AC Unit
(BOTTOM) Optional -48V DC Unit

Figure 3-3. CDM-840 Cabling Connections

Table 3-1. CDM-840 Rear Panel Connectors

Connector Name Connector Type
L-BAND Rx 50Ω Type 'N' female
L-BAND Tx 50Ω Type 'N' female
OUT BNC female
G.703
IN BNC female
ETHERNET |
RJ-45 female
TRAFFIC | GE
ETHERNET |
RJ-45 female
MANAGEMENT | FE
REDUNDANCY 9-pin Type 'D' female
CONSOLE
9-pin Type 'D' male
ALARMS
15-pin Type 'D' male
3–5
MN-CDM840
Connector Function
L-Band Input
L-Band Output
G.703 E1 Output
G.703 E1 Input
10/100/1000 BaseT Gigabit Ethernet
interface (IEEE 802.3ab)
10/100 BaseT Fast Ethernet
management/data interface (IEEE
802.3u)
For connection to an optional 1:1 or
1"N CEFD Redundancy Switch
EIA-232 Serial Remote Interface
Unit Alarms
Revision 3