Black Mountain (Site 4)
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Black Mountain (Site 4) is one of 5 sites located off the Black Mountain Trail near the Rancho San Antonio Open Space Preserve in the Los Altos Hills (map)(photos).
Nodes
N9JIM-BlackMtn-r5ac-90sect-68
- Radio: Ubiquiti Rocket 5AC Lite
- Antenna: 90° sector
- Location: 37.3201632, -122.1437596
- Altitude: 850m
- Bearing: 68°
N9JIM-HAPAC2-1
- Radio: MikroTik hAP ac2
- Antenna: -
- Location: 37.3201632, -122.1437596
- Altitude: -
- Bearing: -
Backbone
BlackMountain-to-SBM7
- Radio: Ubiquiti airFiber 5XHD
- Frequency: -
- Bandwidth: 20MHz
- Antenna: 23 dBi dish
- Location: 37.3201632, -122.1437596
- Altitude: 826m
- Bearing: 328°
Site Details
Configuration
(OUT OF DATE) Black Mountain hosts a Mikrotik hAP, a Ubiquiti PowerBeam and a Ubiquiti Rocket M5 XW with 120 degree sector. WAN access to the hAP is on 44net, provide by a non-AREDN related switch managed by KI6ZHD.
Device wiring runs through independently power PoE injectors, then to lightning arrestors, and finally out to the devices on the tower.
| VLAN | Description |
|---|---|
| 1 | AREDN WAN |
| 2 | AREDN DtD |
| 20 | XLINK to San Bruno Mtn |
| 100 | airFiber Management |
| Port | Description | VLANs | Notes |
|---|---|---|---|
| 1 | WAN | - | |
| 2 | LAN | ||
| 3 | LAN | ||
| 4 | LAN | ||
| 5 | DtD | 2 |
Future Plans
- Install larger dish on airFiber
Completed Work
July 2023
- Installed a 90° sector + Rocket 5AC Lite
- Installed airFiber 5XHD + 23 dBi antenna connecting to San Bruno Mtn (Building 7)
- Installed Mikrotik CRS112-8p-4s-in PoE router
- Installed GigaBeam Plus connecting to Black Mountain (Site 5)
- Installed hAP ac2
- Removed Rocket M5 XW + 120° sector
- Removed Power Beam M5 XW 300
- Removed hAP ac lite
Commercial Neighbors
Etheric Networks
The local WISP in this area is Etheric. They license (WQMK876) spectrum in the 6.2 GHz, 10.5 GHz and 19.5 GHz regions.
Contacts
Site Admin
- David Ranch - KI6ZHD - sfwem@trinnet.net
Mesh Admin
- Jim Moss - N9JIM - n9jim@pacbell.net