NJR-CTB Command Guide83.1.2 LAN port specificationLAN and MAINTENANCE port assignments are as follows.Since Auto MDI / MDI-X that distinguishes and switches straight/cross cables automatically is supported,extra care is not necessary to connect the NJR-CTB to PC, HUB or the like.188-pin RJ-45 moduleconnector[Figure 3.2] LAN / MAINTENANCE port3.1.3 LAN communication specification[Table 3.1] LAN communicationPhysical layer 10Base-T (IEEE802.3i)/100Base-TX (IEEE802.3u)/1000Base-T (IEEE802.3ab)Network layer ARP, IP, ICMPTransport layer TCPPort used for command control: 1100Port used for WEB browser control (HTTP): 80Application layer HTTPNote: Up to 8 connections can be used simultaneously for command control.PinnumberSignal nameMDI MDI-X1000BASE-T 100BASE-TX/10BASE-T1000BASE-T 100BASE-TX/10BASE-T1 TRX+ (Transmitted/Receiveddata+)TX+ (Transmitteddata+)TRX+ (Transmitted/Receiveddata+)RX+ (Receiveddata+)2 TRX- (Transmitted/Receiveddata-)TX- (Transmitteddata-)TRX- (Transmitted/Receiveddata-)RX- (Received data-)3 TRX+ (Transmitted/Receiveddata+)RX+ (Received data+) TRX+ (Transmitted/Receiveddata+)TX+ (Transmitteddata+)4 TRX+ (Transmitted/Receiveddata+)N.C. (No Connection) TRX+ (Transmitted/Receiveddata+)N.C. (No Connection)5 TRX- (Transmitted/Receiveddata-)N.C. (No Connection) TRX- (Transmitted/Receiveddata-)N.C. (No Connection)6 TRX- (Transmitted/Receiveddata-)RX- (Received data-) TRX- (Transmitted/Receiveddata-)TX- (Transmitteddata-)7 TRX+ (Transmitted/Receiveddata+)N.C. (No Connection) TRX+ (Transmitted/Receiveddata+)N.C. (No Connection)8 TRX- (Transmitted/Receiveddata-)N.C. (No Connection) TRX- (Transmitted/Receiveddata-)N.C. (No Connection)