Mellanox Grid Director 4700 Installation Manual
27
Assembly
Torque (in/lb)
Fabric Board to chassis
2 (or use manual screwdriver)
3.7
Module Configuration Rules
The Grid Director 4700 supports up to two Management Boards. Two Management Boards
are used for redundancy/failover implementation. Use slot one (left) when only one
Management Board is installed. For more information, refer to
Installing the Management
Board (sMB-CM
).
The Grid Director 4700 supports any Fabric Board configuration (between 1 and 9). When
installing the line boards, start at the bottom of the chassis. For more information, refer to
Installing the Line Board (sLB-4018
.
3.8
Clearance Requirements
Table 6: Clearance Requirements
Area
Recommended Minimum Clearance
Front of the rack
36" (90 cm) for technician access and maintenance
Rear side of the rack
24" (60 cm) for human accessibility
Sides of the rack
No limits
Space below the chassis
No limits
Space on top of the chassis
No limits
3.9
Power Data
3.9.1
Type of Power Cord on the Power Supply
Mellanox provides a 15 Amp cord (2 meter jumper), with a universal plug for a power
distribution unit (PDU) for each power supply. The cord is detachable from the Mellanox 4700
chassis/power supply. Cable wiring: 3x14AWG.
3.9.2
Power Requirements
Table 7: 4700 Power Requirements
Power supply modules (sPSU-S) with N:1 or N:N
redundancy.
Note: Each power supply has its own power cord.
Up to 6 power supplies
Electrical rating
100–120/200–240V, 50–60Hz, 60A
12/8A per power feed MAX
Typical power consumption (QDR full configuration)
4000 Watt
Leakage current @254 V [mA]:
>6mA RMS (Note that leakage exceeds 3.5 mA
when more than one power supply is being used)