Backplane - 3Com LS8M1P12TEH Installation Manual

Installation Manual
H3C S7500 Series Ethernet Switches
Note:
For the S7500 series, a board with pink edges can be inserted only into a slot indicated
by a pink area on the fan tray, and a board with purple or green edges can be inserted
only into a slot indicated by a purple area.

1.5.3 Backplane

The backplane of the S7500 series is located in the integrated chassis and implements
high-speed data exchange and management & control signal exchange between
SRPUs and LPUs. The backplane in the S7500 chassis supports XG high speed bus.
The backplane has the following functions:
Providing communication channels for signal exchange between boards
Supporting online insertion and removal of boards
Supporting slot auto-identification
Connecting to the power modules to provide distributed power supply for LPUs
and SRPUs
Connecting to fan tray and power monitoring signal cables
Supporting switchover between the active and standby SRPUs (only for the
S7506R)
(1) SRPU socket
(3) PWR socket
Figure 1-11 Backplane of the S7503
(1)
(4) (3)
(2) Fan tray socket
(4) LPU socket
1-18
Chapter 1 Product Overview
(2)