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Overview |
This chapter introduces the procedures and precautions for installing and routing the power cables (general power cable, power grounding cable, protection grounding cable), STM-1 cable, external alarm cable, external synchronization timing cable and Ethernet cable.
The signal cable, power cable (also power grounding cable and PGND cable), and fiber jumper shall be routed and bundled separately, with a spacing of more than 3 cm between each other. |
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Contents |
Table 7-1 shows the contents of this chapter.
The above just shows the general order of cabling. If some cables are not required, bypass them and install others. |
Table 7-1 The contents of Chapter 7
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Title |
Content |
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7.1 |
Introduces installing and routing the power cable and grounding cable. |
|
7.2 Installing STM-1 Cable |
Introduces installing and routing the STM-1 cable. |
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7.3 Installing Alarm Cables |
Introduces installing and routing the external alarm cable. |
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7.4 |
Introduces installing and routing the external synchronization timing cable. |
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7.5 Installing NM Cable |
Introduces installing and routing the Ethernet cable. |
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7.6 Installation Check Points |
Checks the installed and routed cables to see whether the next-step installation can be conducted. |
7.1 Installing Power Cables and Grounding Cables
Warning:
Do not install or demount the power cable while power is on. Do turn off the power switch before such operations to avoid personal injuries.
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Overview |
This section tells you the procedures and precautions for installing and routing the grounding cable and the power cable. |
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Prerequisites |
n Check the construction condition Cabinets have been installed and reinforced properly. The power supply equipment has been installed in the equipment room, with interfaces reserved for use in this installation. The voltage of the power supply equipment is within the allowed range (–38.4 V to –60 V DC). n Check the cabling route Work out the lengths of the power cable and grounding cable according to the cabling route, specified in the construction documents, between the cabinet and the power supply equipment. If the cabling route is not offered in the construction documents, or the power cable and grounding cable longer than 30 m are required, notify the relevant department of Huawei immediately. n Check installation materials All installation materials are complete and have been transported to the site of project. n Fill in cable labels Before cabling, you must fill in the cable labels according to “Appendix D Engineering Labels for Cables”. |
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Description |
The DC power distribution box of the OptiX OSN 9500 is located on the top of the cabinet and is connected with the cabinet’s external power supply. It provides two independent channels of –48 V power supply. The first channel feeds power to the left output cable terminals, while the second channel feeds power to the right ones. The left and right output cable terminal blocks offer the accessed external power supply to the subrack.
The OptiX OSN 9500 only uses terminal 3, leaving terminals 1 and 2 supplying power for other devices in the cabinet. |
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Installation materials |
Power cable, blue, 2 PCS, 10 m/20 m/30 m (length), 25 mm2 (cross-sectional area) Power grounding cable, black, 2 PCS, 10 m/20 m/30 m (length), 25 mm2 (cross-sectional area) Protection grounding cable, yellow/green alternative, 1 PCS, 10 m/20 m/30 m (length), 25 mm2 (cross-sectional area) Labels for the power cable and protection grounding (PGND) cable |
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