A student in Sydney had just moved, activated an Aussie Broadband service, and had us install the router — but there was still no internet. The router’s DSL light flickered and the config was correct, yet nothing came through. After ruling out our own gear and a ~40-minute call with the provider, the answer was upstream: the line wasn’t connected through the building’s communications room to the room’s DSL port. An NBN technician fixed it the next morning in a few minutes — at no charge.
悉尼一位同学刚搬家，开通了 Aussie Broadband，让我们上门装路由器 — 结果还是没网。路由器的 DSL 灯在闪、配置也没错，可就是不通。排除掉我们自己的设备、又和运营商打了约 40 分钟电话后，答案在上游：线路没有经过楼里的机房连通到房间的 DSL 口。第二天早上 NBN 的技术人员几分钟就修好了 — 而且免费。
The router, the cable and the plan were all fine. The break was in the building — the room’s DSL port wasn’t connected through to the communications room, so no signal reached the router.路由器、网线、套餐都没问题。断点在楼里 — 房间的 DSL 口没有连通到机房，所以信号到不了路由器。
| Free NBN/Opticomm visit免费 NBN/Opticomm 上门 | You may be charged可能要收费 | |
|---|---|---|
| When什么时候 | The fault is in the network / building infrastructure故障在网络或楼栋基建一侧 | The fault is your setup (router / cabling not right)故障在你这侧（路由器/接线不对） |
| This case这单 | Line not linked to the room — infra fault, free线没通到房间 — 基建问题，免费 | — |
| So do this first所以先这样做 | Rule out your own gear (swap the router and cable, check the ports), have the ISP confirm it’s their side, then book — so the visit lands as a free infrastructure fix, not a paid call-out.先排除自己的设备（换路由器和网线、检查接口），让运营商确认是他们那侧的问题，再预约 — 这样上门才会算作免费的基建修复，而不是收费的上门。 | |
Root cause: the line wasn’t connected through the building’s communications room to the room’s DSL port — not the router, cable or plan. Once Aussie Broadband confirmed it was an infrastructure fault, the NBN technician fixed it free the next morning in minutes, and the connection came online.
根因：线路没有经过楼里的机房连通到房间的 DSL 口 — 不是路由器、网线或套餐的问题。在 Aussie Broadband 确认是基建故障后，NBN 技术人员第二天早上几分钟免费修好，网络随即恢复。
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