Installation Manual
H3C S7500 Series Ethernet Switches
Chapter 1 Product Overview
1-17
风扇框
机箱拉手
电源模块
主控板
业务板
Power m odule
LPUs
SRPUs
Fan tray
Chass is handle
风扇框
机箱拉手
电源模块
主控板
业务板
Power m odule
LPUs
SRPUs
Fan tray
Chass is handle
Figure 1-10
Chassis of the S7506R
The rear panel of the chassis of the S7506R is similar to that of the S7506. For the
layout, see Figure 1-9.
Each area is hot-swappable.
z
In the board area, there are eight horizontal slots. The topmost two slots are for
required SRPUs. The S7506R provides SRPU redundancy backup. The other six
are for optional LPUs.
z
The fan area is on the right of a chassis. The fan tray slot is vertical.
z
The power module area is at the bottom of the chassis and contains three power
module slots to implement 2+1 redundancy. You can select AC power modules for
AC power input or DC power modules for DC power input as required.
z
The power distribution area is at the chassis bottom near to the back panel. There
is an AC power distribution box for AC power input or a DC power distribution box
for DC power input.
z
There are a –48 VDC power input terminal and a COM port (PoE management
port) on the back of the PoE-capable S706R chassis.
1.5.2 Color of Board Edges
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The boards that can only serve as SRPUs of the S7503/S7506/S7506R have pink
edges.
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The boards that can only serve as LPUs of the S7503/S7506/S7506R have purple
edges.
z
The boards that can not only serve as SPRUs of the S7502, but also LPUs of the
S7503/S7506/S7506R have green edges.