NJR-CTB Command Guide
8
3.1.2 LAN port specification
LAN 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.
1
8
8-pin RJ-45 module
connector
[Figure 3.2] LAN / MAINTENANCE port
3.1.3 LAN communication specification
[Table 3.1] LAN communication
Physical layer
10Base-T (IEEE802.3i)/100Base-TX (IEEE802.3u)/1000Base-T (IEEE802.3ab)
Network layer
ARP, IP, ICMP
Transport layer
TCP
Port used for command control:
1100
Port used for WEB browser control (HTTP): 80
Application layer
HTTP
Note:
Up to 8 connections can be used simultaneously for command control.
Pin
number
Signal name
MDI
MDI-X
1000BASE-T
100BASE-TX/10BASE-
T
1000BASE-T
100BASE-TX/10BAS
E-T
1
TRX+ (Transmitted/Received
data+)
TX+ (Transmitted
data+)
TRX+ (Transmitted/Received
data+)
RX+ (Received
data+)
2
TRX- (Transmitted/Received
data-)
TX- (Transmitted
data-)
TRX- (Transmitted/Received
data-)
RX- (Received data-)
3
TRX+ (Transmitted/Received
data+)
RX+ (Received data+)
TRX+ (Transmitted/Received
data+)
TX+ (Transmitted
data+)
4
TRX+ (Transmitted/Received
data+)
N.C. (No Connection)
TRX+ (Transmitted/Received
data+)
N.C. (No Connection)
5
TRX- (Transmitted/Received
data-)
N.C. (No Connection)
TRX- (Transmitted/Received
data-)
N.C. (No Connection)
6
TRX- (Transmitted/Received
data-)
RX- (Received data-)
TRX- (Transmitted/Received
data-)
TX- (Transmitted
data-)
7
TRX+ (Transmitted/Received
data+)
N.C. (No Connection)
TRX+ (Transmitted/Received
data+)
N.C. (No Connection)
8
TRX- (Transmitted/Received
data-)
N.C. (No Connection)
TRX- (Transmitted/Received
data-)
N.C. (No Connection)
