H3C S7500 Series Ethernet Switches Installation Manual

Installation Manual
H3C S7500 Series Ethernet Switches Chapter 1 Product Overview
1-13
XGbus is silkscreened on the S7500 series chassis (hereinafter referred to as the
S7500 XGbus). The backplane of the S7500 series supports XG high speed bus, and
thus can provide even higher switching capacity.
Depending on the input power, the chassis of the S7500 series can be divided into AC
chassis and DC chassis.
S7503:
z S7503-AC-XG-PoE: PoE-capable S7503 XGbus AC chassis
z S7503-DC-XG-PoE: PoE-capable S7503 XGbus AC chassis
S7506:
z S7506-AC-XG-PoE: PoE-capable S7506 XGbus AC chassis
z S7506-DC-XG-PoE: PoE-capable S7506 XGbus DC chassis
S7506R:
z S7506R-AC-XG-PoE: PoE-capable S7506R XGbus AC chassis
z S7506R-DC-XG-PoE: PoE-capable S7506R XGbus DC chassis
Note:
z The S7500 series provide power to remote powered devices (PD) such as IP
phones and WLAN wireless access points (AP) by using PoE-capable cards and
power sourcing equipment (PSE).
z The backplane, SRPU, power module, and fan tray are necessary components of
the S7500 series.
I. S7503
Figure 1-6 shows the chassis and slots of the S7503.
风扇框
机箱拉手
电源模块
主控板
业务板
Power module
LPUs
SRPU
Fan tray
Chassis handle
风扇框
机箱拉手
电源模块
主控板
业务板
Power module
LPUs
SRPU
Fan tray
Chassis handle
Figure 1-6 Chassis of the S7503
Figure 1-7 shows the chassis back of the S7503.