120-Ohm RJ45-to-RJ45 Cable (Dedicated for E1)
Connection
A 120-ohm RJ45-to-RJ45 cable is connected as follows:
- One RJ45 connector is connected to a router.
- The other RJ45 connector is connected to a network device.
Appearance and Structure
A 120-ohm RJ45-to-RJ45 cable is applicable to the card models listed in Table 7-20.
Cable |
Card Model |
Working Mode |
Network Device Interface Type |
|---|---|---|---|
120-ohm RJ45-to-RJ45 cable |
|
E1/CE1/PRI |
RJ45 |
|
E1-F |
RJ45 |
|
4E1-IMA |
ATM |
RJ45 |
If the default length is not enough for cable connection, you can use a 120-ohm trunk extension cable as an extension cable.
When using a 120-ohm trunk extension cable to prolong a 120-ohm RJ45-to-RJ45 cable, connect one RJ45 connector of the trunk cable to a network interface connector and the other RJ45 connector to the remote device, as shown in Figure 7-7.
Pin Assignments
Technical Specifications
| Description | Part Number | Model | Cable length | Connector type X1 | Connector type X2 |
|---|---|---|---|---|---|
| Trunk Cable, 3m, 120ohm, 1*E1,0.4mm, MP8-II, 120CC4P0.4P430U(S), MP8-II, Expert 2.0 | 04040497 | CAB-E1-120ohm-2 | 3 m | RJ45 | RJ45 |
| Trunk Cable, 50m, 120ohm, 1*E1,0.4mm, MP8-II, 120CC4P0.4P430U(S), MP8-II, Expert 2.0. | 04040497-003 | CAB-E1-120ohm-2-50M | 50 m | RJ45 | RJ45 |
| Trunk Cable, 100m, 120ohm, 1*E1,0.4mm, MP8-II, 120CC4P0.4P430U(S), MP8-II, Expert 2.0 | 04040497-004 | CAB-E1-120ohm-2-100M | 100 m | RJ45 | RJ45 |
If 120-ohm RJ45-to-RJ45 cables need to be prolonged, configure one network interface connector (part number: 14080099) and one 120-ohm trunk extension cable (part number: 04120278) for each 120-ohm RJ45-to-RJ45 cable.