# 2.2 — Network Infrastructure Supply

Module: [bms/network-infrastructure](../../../_playbook/modules/bms/network-infrastructure.md)

Covers WBS leaves 2.2.1–2.2.3.

| Field | Value | Source |
|-------|-------|--------|
| Core switch | 1× managed L2/L3, 24-port GbE + 2× 10G uplink (Cisco / Aruba per Q-008) | A5: CSW-01 |
| Edge switches | 3× managed L2 16-port GbE (LG/2F, GF/3F, RD) | A5: ESW-01..03 |
| Patch panels | 4× 24-port keystone (head-end + each edge location) | A5 |
| BACnet/IP cabling | Cat6 4P × 23 AWG U/UTP FRLS per A3 cable-spec rule `network_default` | A3 |
| MS/TP backbone | 1× shielded twisted-pair 22 AWG (Belden 8761 or equivalent) — 320 m measured | A3 trunk_topology |
| VLANs | VLAN 10 supervisor / 20 field / 30 engineering | A5 |
| Firewall / customer-LAN edge | 1× managed at core switch uplink (rate-limited) | A5; Q-007 |