Harness Technology

Modular Serial 120 ohm RJ45 to RJ45 terminator Cable

rj45 pinout usb to rj45 cable wiring diagram

Modular Serial 120 ohm RJ45 to RJ45 terminator Cable connections.
120 ohm RJ45 to RJ45 cable connections are as follows:
One end (RJ45) connects to the router.
The other end (RJ45) is connected to the network side device.

rj45 pinout usb to rj45 cable wiring diagram

rj45 pinout usb to rj45 cable wiring diagram

structure appearance
Figure 7-13 Structure of 120-ohm RJ45-to-RJ45 cable (for E1 only)

120 ohm RJ45 to RJ45 cable

120 ohm RJ45 to RJ45 cable

Table 7-17 lists the applicable board models for the 120-ohm RJ45-to-RJ45 cable.
Table 7-17 List of board models applicable to the 120-ohm RJ45-to-RJ45 cable

Schematic diagram of trunk extension cable

Schematic diagram of trunk extension cable

If the connection distance is long, you can use a 120 ohm relay extension cable to extend the cable.

The connection method of the 120-ohm trunk extension cable is to connect one end (RJ45) to the network port connector, and the other end (RJ45) to the peer network device, as shown in Figure 7-14.
Figure 7-14, 120-ohm relay extension cable connection diagram

Pin sequence
Table 7-18 lists the pin relationship of the 120-ohm RJ45-to-RJ45 cable.
Table 7-18, 120-ohm RJ45-to-RJ45 cable pin relationship table

X1 X2
cable pin Signal cable pin Signal
1 Rx – 4 Rx –
2 Rx + 5 Rx +
6 Tx – 1 Tx –
7 Tx + 2 Tx +

technical indicators
Table 7-19, 120-ohm RJ45-to-RJ45 cable (for E1 only) technical specifications

describe part code model cable length Connector type X1 Connector type X2
Relay cable-3m-120ohm-1*E1-0.4mm-(Network port 8-bit-Ⅱ)-(120CC4P0.4P430U(S))-(Network port 8-bit-Ⅱ)-Expert 2.0 04040497 CAB-E1-120ohm-2 3m RJ45 RJ45
Relay cable-50m-120ohm-1*E1-0.4mm-(8-bit network port-Ⅱ)-(120CC4P0.4P430U(S))-(8-bit network port-Ⅱ)-Expert 2.0 04040497-003 CAB-E1-120ohm-2-50M 50m RJ45 RJ45
Relay cable-100m-120ohm-1*E1-0.4mm- (network port 8-bit-Ⅱ)-(120CC4P0.4P430U(S))-(network port 8-bit-Ⅱ)- Expert 2.0 04040497-004 CAB-E1-120ohm-2-100M 100m RJ45 RJ45

illustrate
When it is necessary to extend the 120 ohm RJ45 to RJ45 cable. The user configures one network port connector (part number: 14080099) and one 120-ohm relay extension cable (part number: 04120278) at a ratio of 1:1 according to the number of cables.