Setting Up A Poe System (Optional); Requirements - HP 7500 Series Installation Manual

Setting up a PoE system (optional)

CAUTION:
If you do not use the PoE function, verify that the PoE power switch on the power supply is off.
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To ensure steady operation of the switch when the switch uses a 1400W DC to supply PoE power, if the
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total power consumption of the switch (the system power consumption plus the PoE power consumption)
is greater than 3300W, use the 1/0 AWG cable (with 53 mm
recommends that you order the HP X210 JG2 to T50 3m DC (2) Power Cables (JG333A). For more
information about the cables, see
When the switch uses a 1400W DC to supply PoE power, you can monitor the working status of the
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external power supply through the PoE power monitoring port. The PoE power monitoring port is an
RS-485 compliant port. You can select an RS-485 compliant connection method according to the
monitoring port type. When you use a –48 V DC power supply, you do not need to monitor the working
status of the external power supply.
When the switch uses a 6000W AC to supply PoE power, make sure the input voltage for the system
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power input, PoE 1, PoE 2, and PoE 3 are the same. It can be either 1 10 VAC or 220 VAC for power
supplies of the power supply.

Requirements

Power over Ethernet (PoE) enables a power sourcing equipment (PSE) to supply power to powered
devices (PDs) from Ethernet interfaces through twisted pair cables. Commonly used PDs include: IP
telephones, wireless LAN access points (APs), and web cameras.
The following PoE types are available:
Type 1—Power delivered by a single port: 0 to 15.4 W; voltage range: 44 V to 57 V; maximum
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current: 350 mA. This PoE type provides power to classes 0 to 3 PDs.
Type 2—Power delivered by a single port: 0 to 30 W, voltage range: 50 V to 57 V, maximum
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current: 600 mA. This PoE type provides power to classes 0 to 4 PDs.
To set up a PoE system for the 7500 Switch Series, the following requirements should be met:
Cards supporting PoE
• The 7500 Switch Series can implement the PoE function through the cards listed in
Except the LSQ3GV48SC0 and LSQ1GV48SD0, all the other cards require a PoE dual in-line
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memory module (DIMM) to implement the PoE function. PoE DIMMs fall into the following types: HP
7500 24-port PoE DIMM(JC671A) and HP 7500 48-port PoE DIMM(JD192B). For the compatibility
between the two types of modules and cards, see
"Installing a PoE
The LSQ1GV48SD0 and LSQ3GV48SC0 each can provide a maximum of 806 W power through
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PoE. When you use the cards to power devices through PoE, make sure the total power of PDs does
not exceed 806 W.
"Appendix B FRUs and compatibility
DIMM."
2 or 0.08 in
Table 9. For the installation of a PoE DIMM, see
32
2 cross section). HP
matrixes."
Table 9.