ESD Jack
The ESD jack of Huawei MA5800-X17 subrack is on the left of the fan tray, which is used to
connect the ESD wrist strap to prevent device damage caused by electrostatic discharge.
Connect the ground cables properly to guarantee protection against lightening and
interference for the MA5800-X17 subrack. When a Huawei cabinet is installed, the service
subrack is grounded through mounting ears and therefore no separate ground cables are
required. When a third-party cabinet is installed, the separate ground cable needs to be
connected to the service subrack and ground point on the cabinet.
The MA5800-X17 subrack has 2 ground points. One is on the side panel and the other is at
the bottom of the right mounting ear of the subrack.
The power input end of the MA5800-X17 subrack has a noise filter. The center ground of the
noise filter connects to the subrack, called the subrack ground, that is, the protection ground.
Ground the subrack securely so that the influence electricity, leakage electricity can flow to
the ground, improving the protection against electromagnetic interference.
Use a ground cable to connect the ground point of the subrack to the ground bar of the
telecommunications room or to the ground directly. It is recommended that the grounding
resistance of the telecommunications room should be less than 10 ohms. Refer to the local
standards to ground the subrack.
Dimensions and Weight:
Dimensions (H x W x D, including mounting ears):486 mm x 535 mm x 287 mm
Dimensions (H x W x D, excluding mounting ears):486 mm x 493 mm x 287 mm
Maximum weight at full configuration (including mounting ears):45 kg
Power Supply:
Power supply mode:DC (dual power for backup)
Rated voltage: -48 V / -60 V
Working voltage range:-38.4 V to -72 V
Maximum input current: 60 A
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