2.   Specifications of Ruijie RG-NBR6210-E Router 
  Eight 10/100/1000M self-adaptive fast Ethernet ports: support automatic 
recognition of network cables and cross-over cables. 
○  By default, LAN0 (GE 0/0), LAN1/WAN6 (GE 0/1), LAN2/WAN5 (GE 0/2), 
LAN3/WAN4 (GE 0/3), LAN4/WAN3 (GE 0/4) and LAN5/WAN2 (GE 0/5) 
are LAN ports, while WAN0 and LAN6/WAN1 (GE 0/6) are WAN ports. 
○  LAN1/WAN6 (GE 0/1), LAN2/WAN5 (GE 0/2), LAN3/WAN4 (GE 0/3), 
LAN4/WAN3 (GE 0/4), LAN5/WAN2 (GE 0/5) and LAN6/WAN1 (GE 0/6) 
support the WAN/LAN switchover. 
  Two SFP ports: 
○  Support 1000BASE-SX/LX/ZX mini GBIC and GE-SFP-LX20/LH40-BIDI 
SPF modules. 
○  By default, these two SFP ports are WAN ports, and support the WAN/LAN 
switchover.