Can an E1/CE1 interface communicate with a V35/V24 serial interface

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E1/CE1 and V35/V24 protocols are defined on the physical layer and are transparent to the link layer. Therefore, an E1/CE1 and a V35/V24 serial interface can communicate as long as a physical connection is set up.
Generally, an E1/CE1 cable and a V35/V24 cable are connected using a V35/E1 converter. The connection between the two routers is as follows: router - V35 cable - V35/E1 converter - E1 line - transmission network - E1 line - router.

Other related questions:
What are the differences between the E1 interface and the serial interface of an AR router
The differences and relationship between the E1 interface and the serial interface of an AR router are described as follows: The serial interface of an AR router uses the DB9 female connector. It is the physical implementation of the E1 interface and is used transmit data in lines with 2 Mbit/s and lower bandwidth. DB9 male connectors used on PCs are also called serial interfaces in some scenarios. However, these interfaces are used only to connect to the console interface of routers for device debugging.

Can AR2240 use Cisco V35 serial port cables
Console cables follow the same standard and can be replaced in general. However, the appearance and implementation method of serial port cables may vary with manufacturers. Use E1 serial ports cables of corresponding manufacturers to ensure stable data transmission.

Can the E1 interface of an AR router interconnect with MP-group interfaces
The E1 interface of an AR router cannot interconnect with MP-group interfaces. The network works properly only when the configurations of the interfaces on both interconnected ends are consistent.

Can the E1 interface of an AR router interconnect with the Ethernet
The E1 interface of an AR router cannot interconnect with the Ethernet. - E1/T1: E1/T1 is a technology of using the synchronous time division multiplexing technology to combine multiple audio channels into a 2 Mbit/s or 1.5 Mbit/s high-speed channel. It is used in WAN in general. - Ethernet: Ethernet uses the Carrier Sense Multiple Access (CSMA) and Conflict Detection (CD) technologies and runs on cables of multiple types with a speed ranging from 10 Mbit/s to 10 Gbit/s. It is used in LAN in general. As described above, the principles, protocols, and application scenarios of E1 and T1 are different. In addition, E1 or other interface cards equipped with four or eight interfaces use RJ45 interfaces but do not use the Ethernet.

Does the LTE cellular interface support PPP
The LTE cellular interface supports PPP. The following physical interfaces also support PPP: - Synchronous or asynchronous serial interface working in synchronous mode (the interface type is the serial interface) - Async interface working in protocol mode - Serial interfaces formed by CE1/PRI or CT1/PRI interfaces, which have the same logical features as synchronous serial interfaces - Serial interfaces formed by CE3 or CT3 interfaces, which have the same logical features as synchronous serial interfaces - Serial interfaces formed by E1-F or T1-F interfaces, which have the same logical features as synchronous serial interfaces - Serial interfaces formed by E1/T1 channels that are channelized from a CPOS interface, which have the same logical features as synchronous serial interfaces - Cellular interfaces - ISDN BRI interfaces - POS interfaces Note: For LTE cellular interfaces, only the E392 data cards support the link-protocol ppp command.

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