2 Equipment Description
2.27 EUCN Cable System
148
HPM High-Performance Process Manager Service
R688
Honeywell
December 2020
Figure 70: ENB network topology example
Table 15 ENB network topology terminology
Cable
Cable connection
CF9 Downlink Cable
Cable connecting the CF9 and the EHPM
CF9 Uplink Cable
Cable connecting the CF9 and the L2 Switch
L1 Switch Downlink Cable
Cable connecting the L1 Switch and the ENIM/ENB
L1 Switch Uplink Cable
Cable connecting the L1 Switch and the L2 Switch
A&B UCN Coax Cables
Redundant UCN Coax cables (the red line indicates both A & B cable
and the pair is not shown)
A&B LCN Coax Cables
Redundant LCN Coax cables (the blue line indicates both A & B cable
and the pair is not shown)
FTE Crossover Cable
An Ethernet crossover cable connected between the top level Yellow
and Green Switches.
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