120 ohm DB9 to RJ45 Modular Serial Adapter (F/F) Cable

Connection relationship of 120 ohm DB9 to RJ45 DB9 cables
The connection relationship of 120 ohm DB9 to RJ45 cable is as follows:
One end (DB9) connects to the router.
The other end (RJ45) is connected to the network side device.

120 ohm relay extension cable

120 ohm DB9 to RJ45 cable

structure appearance
Figure 7-11 Structure of a 120-ohm DB9-to-RJ45 cable (for E1 only)

Table 7-14 lists the applicable board models for the 120-ohm DB9-to-RJ45 cable.
Table 7-14 List of board models applicable to the 120-ohm DB9-to-RJ45 cable

The default length of the 120-ohm DB9-to-RJ45 cable is 3 m. 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 7-12.
Figure 7-12, 120-ohm relay extension cable connection diagram

Connector pinout
Table 7-15 lists the pin relationship of the 120-ohm DB9-to-RJ45 cable.
Table 7-15, 120-ohm DB9-to-RJ45 cable pin relationship table

technical indicators
Table 7-16, 120-ohm DB9-to-RJ45 cable (for E1 only) technical specifications

illustrate
When it is necessary to extend the 120 ohm DB9 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.