3 utility connector group, 1 ‘management | fe’ (fast ethernet) connector, 2 ‘redundancy’ connector – Comtech EF Data CDM-840 User Manual
Page 47

CDM-840 Remote Router
Revision 2
Rear Panel Connections
MN-CDM840
3–7
3.2.3
Utility Connector Group
3.2.3.1 ‘MANAGEMENT | FE’ (Fast Ethernet) Connector
• 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’ Connector
Connector Type
Name
Direction
Type ‘D’ 9-pin female
REDUNDANCY
In/Out
Use this interface for connection to an optional CEFD 1:1 or 1:N Redundancy Switch.
Table 3-1. REDUNDANCY Connector Pinouts
Connector Type
Name
Direction
RJ-45 female modular jack TRAFFIC | GE
In/Out
Pin # Description
Direction
1 Ground
–
6
Transmit Serial Data – auxiliary channel
Out
2 Receive Serial Data – auxiliary channel
In
7
Redundancy Out 1
Out
3 Redundancy In 1
In
8
Redundancy Out 2
Out
4 Redundancy In 2
In
9
Fused +12 volt
Out
5 Ground
–