Dell EMC Storage NX3230, Руководство пользователя

Страница: 99 / 138

Required wires
• One UL 10 AWG, 2 m maximum (stranded) black wire [–(48–60) V DC]
• One UL 10 AWG, 2 m maximum (stranded) red wire (V DC return)
• One UL 10 AWG, 2 m maximum green/yellow, green with a yellow stripe, stranded wire (safety ground)
Removing a DC power supply unit
事前準備作業
註
:
如 為 使用
–(48–60) V
直流電源供應器的設備，所有直流電源的連接及安全接地均需由合格的技師執行。請勿嘗試自行連接
直流電源或安裝接地。所有電氣接線均須遵照適用的當地或國家規定及作法。未經
Dell
授權之維修所造成的任何損壞均不在保
固範圍內。請閱讀並遵循 產 品隨附的所有安全指示。
警示
: The system needs one power supply for normal operation. On power-redundant systems, remove and replace only
one power supply at a time in a system that is powered on.
註
: You may have to unlatch and lift the optional cable management arm if it interferes with power supply removal. For
information about the cable management arm, see the rack documentation of your system.
步驟
1. Disconnect the power wires from the power source and the connector from the PSU you intend to remove.
2. Disconnect the safety ground wire.
3. Press the release latch and slide the PSU out of the chassis by using the PSU handle.
圖
49. Removing a DC PSU
1. release latch 2. power supply status indicator
3. PSU 4. power connector
5. PSU handle
Installing a DC power supply unit
事前準備作業
註
:
如 為 使用
–(48–60) V
直流電源供應器的設備，所有直流電源的連接及安全接地均需由合格的技師執行。請勿嘗試自行連接
直流電源或安裝接地。所有電氣接線均須遵照適用的當地或國家規定及作法。未經
Dell
授權之維修所造成的任何損壞均不在保
固範圍內。請閱讀並遵循 產 品隨附的所有安全指示。
1. Follow the safety guidelines listed in the Safety instructions section.
2. Follow the procedure listed in the Before working inside your system section.
Installing and removing system components 99