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MA5600T, MA5603T, and MA5608T Hardware Description 25

This manual describes the Huawei MA5600T, MA5603T, and MA5608T hardware specifications, such as dimensions, weight, power consumption, capacity, structure, chassis, slots, boards, power modules, and optical modules.
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The MA5623AR extended subrack can be considered as the extension service board for the primary subrack of the MA5600T/MA5603T. The primary subrack manages the MA5623AR extended subrack in the same way as it manages its service boards. The MA5623AR extended subrack provides the same functions as the VDSL2 board of the primary subrack. It connects to the ETHB board through the GE upstream port, cascading the primary subrack.

The MA5623AR extended subrack supports the following functions:

  • 48-channel VDSL2 access service.
  • Vectoring.
  • Port protection
  • 2-pair VDSL2 bonding when the 8a, 8b, 8c, or 8d profile is used.
  • Single-ended loop test (SELT)
  • Metallic loop test (MELT)
  • VDSL2 8a, 8b, 8c, 8d, 12a, 12b, and 17a profiles
  • G.992.1 Annex A, G.992.3 Annex A/B/L/M, G.992.5 Annex A/B/M, G.993.2 Annex A/B
  • G.INP physical layer retransmission

    In bonding mode, the G.INP physical-layer retransmission is not supported.

  • Temperature query and high-temperature alarm
  • Automatic power shutdown in case of a high temperature
Figure 2-16 shows the external connections of the MA5623AR extended subrack.

The MA5623AR extended subrack supports –48/–60 V DC and 220 V AC input power. The MA5623AR extended subrack that supports 220 V AC input power is used as an example in the following figure.

Figure 2-16  External connections of the MA5623AR extended subrack

Updated: 2019-03-18

Document ID: EDOC1000060621

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