portspec

SG300-28P

Cisco switch, 19-inch rack, 1U. 26 × 1000BASE-T, 2 × SFP (1GE), 1 × Console (DE-9).

Cisco SG300-28P, front, drawn from its port list

Ports

PortTypeSpeedSideNotes
24 × gigabitethernet1 – gigabitethernet241000BASE-T1GfrontPoE+ out (802.3at)
2 × gigabitethernet25 – gigabitethernet261000BASE-T1Gfront—
2 × gigabitethernet27 – gigabitethernet28SFP (1GE)1Gfront—
con-0Console (DE-9)—rearconsole
ps-aIEC C14 inlet—rearpower

Specifications

Vendor
Cisco
Type
Switch
Mounting
19-inch rack, 1U
Power
180 W at most, 1 inlet
Ports
30

Source: the NetBox device type library. Vendor's page, checked 2026-11-11.

YAML

# Cisco SG300-28P
# Converted from the punchdown catalog on 2026-11-10. Source of the data: netbox.
network: 1
imports:
  - ../../defaults/types.network.yaml
models:
  cisco/sg300-28p:
    name: SG300-28P
    vendor: Cisco
    role: switch
    mount: 19in
    size: { units: 1 }
    power: { max: 180, inlets: 1 }
    x-assumed: [ power ports are on the rear ]
    ports:
      gigabitethernet1..24: { type: 1000base-t, poe: at, native: "GigabitEthernet{n}" }
      gigabitethernet25..26: { type: 1000base-t, native: "GigabitEthernet{n}" }
      gigabitethernet27..28: { type: 1000base-x-sfp, native: "GigabitEthernet{n}" }
      con-0: { type: console-de-9, role: console, side: rear, native: con 0 }
      ps-a: { type: iec-60320-c14, role: power, side: rear, native: PS-A }
    x-full-depth: true
    faces:
      front:
        finish: black
        background: "#3d3d3d"
        padding: { x: 3, y: 3 }
        layout:
          row:
            gap: 0
            items:
              - column:
                  gap: 3
                  align: start
                  items:
                    - logo: { text: cisco, width: 17, height: 8.5 }
                    - leds: { id: status, text-side: left, margin: { top: 1, bottom: 1, left: 1.95 }, items: [{ id: system, text: System }] }
                    - button: { id: reset, width: 1.7, height: 1.7, caption: { text: Reset, side: right, gap: 2 } }
                    - label: { text: "SG 300-28P    28-Port Gigabit PoE Managed Switch", width: 98, height: 4 }
              - grow
              # Numbered across: 1-12 on top, 13-24 below.
              - grid: { ports: gigabitethernet1..24, rows: 2, groups: 6, gap: 0.3, group-gap: 1.5, margin: { right: 4.6 } }
              - grid: { ports: gigabitethernet25..26, rows: 2, gap: 0.4, margin: { right: 6.4 } }
              # 27 and 28 are combo ports: these copper jacks and the SFP cages beside them.
              - column: { gap: 2, margin: { right: 6 }, items: [ { panel: { id: combo-27-copper, width: 13.4, height: 10, color: "#2e2e2e" } }, { panel: { id: combo-28-copper, width: 13.4, height: 10, color: "#2e2e2e" } } ] }
              - grid: { ports: gigabitethernet27..28, rows: 2, gap: 4.6, margin: { right: 4.8 } }
              - label: { text: Cisco Small Business, width: 39, height: 4, position: top-right }
      rear:
        background: "#c3c5ca"
        padding: { x: 3, y: 3 }
        layout:
          row:
            gap: 0
            items:
              - con-0: { label-position: none, margin: { left: 42.5 }, caption: { text: Console, side: above, text-style: { size: 2.83 } } }
              - screw-black: { id: ground, width: 6.2, height: 6.2, margin: { left: 87 } }
              # Each fan turns behind flat-topped hexagons in staggered columns, cut in the case.
              - fan: { id: fan-1, width: 38, height: 38, margin: { left: 132 }, grille: { mask: { pattern: { preset: hex-grid, size: 5.65, gap-x: 1.19, gap-y: 0.84, column-offset: 0.5, row-offset: 0, margin: 0 }, shape: circle } } }
              - fan: { id: fan-2, width: 38, height: 38, margin: { left: 10.5, right: 10.5 }, grille: { mask: { pattern: { preset: hex-grid, size: 5.65, gap-x: 1.19, gap-y: 0.84, column-offset: 0.5, row-offset: 0, margin: 0 }, shape: circle } } }
              - column: { gap: 1, items: [ { label: { text: "100-240V~ 4A 50-60Hz", width: 22, height: 3 } }, { ps-a: { label-position: none } }, { label: { text: POWER, width: 16, height: 3 } } ] }
              - grow
    source:
      url: https://www.cisco.com/c/en/us/products/collateral/switches/small-business-smart-switches/data_sheet_c78-610061.html
      checked: 2026-11-11
      x-from: netbox
      x-faces: measured by hand from the NetBox photos on 2026-11-11 (docs/face-examples.md)
      x-netbox: cisco-sg300-28p
      x-netbox-elevation: [ front, rear ]