Nortel Passport 15000 Preparation Manual page 168

168 Appendix Grounding topologies
Figure 21
Star-IBN isolated bonding network
A type of IBN consisting of clustered or nested IBNs sharing a single point
ground (SPG) connection.
241-1501-205 5.2S2
SW
SW
SPG
SW SW
SW SW
may be zero length
PPT 2819 054 AA