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 connecting the CF9 and the EHPM
Cable connecting the CF9 and the L2 Switch
Cable connecting the L1 Switch and the ENIM/ENB
Cable connecting the L1 Switch and the L2 Switch
Redundant UCN Coax cables (the red line indicates both A & B cable
and the pair is not shown)
Redundant LCN Coax cables (the blue line indicates both A & B cable
and the pair is not shown)
An Ethernet crossover cable connected between the top level Yellow
and Green Switches.
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