Power Supplies And Cables - Lenovo G7028 Product Manual

Ethernet standards
The G7028 switch supports the following Ethernet standards:
IEEE 802.1D Spanning Tree Protocol (STP)
IEEE 802.1s Multiple STP (MSTP)
IEEE 802.1w Rapid STP (RSTP)
IEEE 802.1p Class of Service (CoS) prioritization
IEEE 802.1Q Tagged VLAN (frame tagging on all ports when VLANs are enabled)
IEEE 802.1x port-based authentication
IEEE 802.3 10BASE-T Ethernet
IEEE 802.3u 100BASE-TX Fast Ethernet
IEEE 802.3ab 1000BASE-T copper twisted-pair Gigabit Ethernet
IEEE 802.3z 1000BASE-SX short range fiber optics Gigabit Ethernet
IEEE 802.3z 1000BASE-LX long range fiber optics Gigabit Ethernet
IEEE 802.3ad Link Aggregation Control Protocol
IEEE 802.3x Full-duplex Flow Control
IEEE 802.3ae 10GBASE-SR short range fiber optics 10 Gb Ethernet
IEEE 802.3ae 10GBASE-LR long range fiber optics 10 Gb Ethernet
10GSFP+Cu SFP+ Direct Attach Copper

Power supplies and cables

The RackSwitch G7028 has one fixed 90 W AC (100 - 240 V) power supply with an IEC 320-C14
connector.
Lenovo offers the optional Lenovo RackSwitch G7000 Redundant Power Supply for those customers who
require redundant power. The optional power supply can support up to four Lenovo RackSwitch G7028 or
G7052 switches.
The part numbers to order the G7000 Redundant Power Supply (RPS) and additional DC cables are listed
in the following table.
Table 5. G7000 RPS and DC cable options
Description
Lenovo RackSwitch G7000 Redundant Power Supply
Lenovo RackSwitch G7000 1.8m DC to DC RPS Power Cable
The part number for the G7000 Redundant Power Supply (00AY123) includes the following items:
One Lenovo RackSwitch G7000 Redundant Power Supply (rear-to-front airflow)
Two 1.8 m DC to DC power cables
Generic Rack Mount Kit (2-post)
Power Cord Retention Kit
Warranty Flyer
Important Notices Flyer
Documentation CD-ROM
The G7000 RPS option comes standard with two 1.8 m DC to DC power cables. More DC-to-DC power
cables (part number 00AY121; each part number contains one cable) can be ordered, if needed.
Lenovo RackSwitch G7028
Part Feature
number code
00AY123 A4BZ
00AY121 A4C0
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