Glossary R

Resource sharing

Resource sharing means that a physical resource may belong to two protection sub-networks.

Route

The IP route selection is in table driving mode. In each host and each router of the Internet, there is a routing table that contains information about how the service is transmitted from the source to the sink, providing a basis for route selection. Ethernet static routing in ET1 refers to the mapping relationship between the Ethernet port and the bound path. Its routing type includes port routing and VLAN routing. Port routing: It means configuring a route between the Ethernet port and the bound path port, which is usually used for point-to-point networking communication; VLAN routing: It means configuring a route between the Ethernet port and the bound path port based on the VLAN service. It can be used flexibly in point-to-point, point-to-multipoint or multipoint-to-multipoint communication. The implementation is to divide and converge the data stream according to the VLAN flag of the packet. As a VLAN flag can be added to the Ethernet port, the equipment can be applied more flexibly.

Route restriction

It refers to the appointed trail which must be passed by during trail creating. Meanwhile, the nodes which the trail is not allowed to pass are also included (NEs which can not be passed). Both serve as the restriction condition for trail calculating and creation. The inevitable trail only functions when the number of routes is calculated as 1. Double-click the NE icon can set the NE as an NE that cannot be passed, and double-clicking it again can cancel the setting.

RS232

It is in asynchronous transfer mode and there is no hand-shaking signal. It can communicate with RS232 and RS422 of other stations in point-to-point mode and the transmission is transparent. Its highest speed is 19. 2kbit/s.

RS422

The interface can change to RS232 via the hardware jumper and others are the same as RS232.