Yealink PS5V1200EU power source

D-Link DMC-1910T Media 1000BASE-T on twisted pair to 1000BASE-LX on the single-fiber (up to 15km, SC)

UNKNOWN

D-LINK DSR-250, VPN Firewall, 1 10/100/1000Base-TX WAN Ports, 8 10/100/1000Base-TX LAN Ports, 1xUSB 2.0 port support print server, Share Port, Firewall throughput 45Mbps, PPTP/L2TP, IPSec support DES,

UNKNOWN

ZYXEL GS1900-24 24-port GbE L2 Smart Sw

UNKNOWN

HPE 1820-8G Switch

UNKNOWN

"ZyXEL ZyWALL USG 40W" užkarda

UNKNOWN

ZYXEL ES1100-8P Unmanaged PoE Switch

UNKNOWN