Control unit 150 may contain management data related to LAN 145 or {HEAD ~ other network or network device} , and control unit 165 may contain {TAIL ~ management data} related to LAN 160 or other network or network device  
Control unit 150 may contain management data related to LAN 145 or { HEAD ~ other network or network device } , and control unit 165 may contain { TAIL ~ management data } related to LAN 160 or other network or network device
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH