Toa VX-3016F - Page 124

3-84
Chapter 3 INSTALLATION AND SETTING PROCEDURES (HARDWARE)
[Connectionexample4:Non-redundantcongurationofswitchinghubs]
[Connectionexample5:Non-redundantcongurationwhennoswitchinghubsareused]
VX-3000F
VX-3000F
SW-HUB
SW-HUB
VX-3000PM
SW-HUB
VX-3000F
SW-HUB
LAN link A, B
LAN link A, B
[Connection example 3: Redundant configuration when no switching hubs are used]
LAN link B LAN link A
VX-3000F
LAN link B LAN link A
VX-3000F
LAN link B LAN link A
VX-3000F
VX-3000PM VX-3000CTVX-3000F VX-3000PM VX-3000CTVX-3000F
LAN (B)LAN (A) LAN (B)LAN (A) LAN (B)LAN (A) LAN (B)LAN (A) LAN (B)LAN (A)
SW-HUB
SW-HUB
VX-3000F
VX-3000F
SW-HUBSW-HUB
VX-3000F
SW-HUB
SW-HUB SW-HUBSW-HUB
LAN link B
LAN link B
LAN link A
LAN link A
(Operating)
LAN link B
(Operating)
LAN link A
The above conguration prevents the system failure due to the cable disconnection or the power shutoff by
connecting each of the VX-3000F's LAN link connectors A and B to a different switching hub.
[Connectionexample2:Redundantcongurationofnon-RSTP-compliantswitchinghubs]