--- manufacturer: Zyxel model: GS1900-48 slug: zyxel-gs1900-48 part_number: GS1900-48 u_height: 1 is_full_depth: false comments: '[Zyxel GS1900-48 48-port GbE Smart Managed Switch with GbE Uplink](https://www.zyxelguard.com/GS1900-48.asp)' weight: 2.9 weight_unit: kg power-ports: - name: PS type: iec-60320-c14 maximum_draw: 37 description: 100 to 240 V AC, 50/60 Hz interfaces: - name: '1' type: 1000base-t - name: '2' type: 1000base-t - name: '3' type: 1000base-t - name: '4' type: 1000base-t - name: '5' type: 1000base-t - name: '6' type: 1000base-t - name: '7' type: 1000base-t - name: '8' type: 1000base-t - name: '9' type: 1000base-t - name: '10' type: 1000base-t - name: '11' type: 1000base-t - name: '12' type: 1000base-t - name: '13' type: 1000base-t - name: '14' type: 1000base-t - name: '15' type: 1000base-t - name: '16' type: 1000base-t - name: '17' type: 1000base-t - name: '18' type: 1000base-t - name: '19' type: 1000base-t - name: '20' type: 1000base-t - name: '21' type: 1000base-t - name: '22' type: 1000base-t - name: '23' type: 1000base-t - name: '24' type: 1000base-t - name: '25' type: 1000base-t - name: '26' type: 1000base-t - name: '27' type: 1000base-t - name: '28' type: 1000base-t - name: '29' type: 1000base-t - name: '30' type: 1000base-t - name: '31' type: 1000base-t - name: '32' type: 1000base-t - name: '33' type: 1000base-t - name: '34' type: 1000base-t - name: '35' type: 1000base-t - name: '36' type: 1000base-t - name: '37' type: 1000base-t - name: '38' type: 1000base-t - name: '39' type: 1000base-t - name: '40' type: 1000base-t - name: '41' type: 1000base-t - name: '42' type: 1000base-t - name: '43' type: 1000base-t - name: '44' type: 1000base-t - name: '45' type: 1000base-t - name: '46' type: 1000base-t - name: '47' type: 1000base-t - name: '48' type: 1000base-t - name: '49' type: 1000base-x-sfp - name: '50' type: 1000base-x-sfp