Comtec CDM-840 - ETHERNET | MANAGEMENT | FE (Fast Ethernet) Connector (RJ-45 F); REDUNDANCY Interface Connector (DB-9 F) (FUTURE); Table 3-2. REDUNDANCY Connector Pinouts; Utility Connector Group

CDM-840 Remote Router MN-CDM840
Rear Panel Connections Revision 3
3–8
3.2.3 Utility Connector Group
3.2.3.1 ‘ETHERNET | MANAGEMENT | FE’ (Fast Ethernet) Connector
(RJ-45F)
• This interface operates at 10/100 Mbps, half and full duplex, auto-negotiating.
• The maximum Ethernet packet size is 1522 bytes (including Ethernet headers and
CRC).
3.2.3.2 ‘REDUNDANCY’ Interface Connector (DB-9F) (FUTURE)
Use this interface for future connection to an optional CEFD CRS-170A 1:1 L-Band
Redundancy Switch.
Table 3-2. ‘REDUNDANCY’ Connector Pinouts
Pin #
Description
Direction
5
Ground
–
9
Fused +12 volt
Out
4
Redundancy In 2
In
8
Redundancy Out 2
Out
3
Redundancy In 1
In
7
Redundancy Out 1
Out
2
Receive Serial Data – auxiliary channel
In
6
Transmit Serial Data – auxiliary channel
Out
1
Ground
–
Connector Type
Name
Description
RJ-45 female modular jack
ETHERNET | TRAFFIC | FE
In/Out
Connector Type
Name
Description
Type ‘D’ 9-pin female
REDUNDANCY In/Out