low overhead resulting in minimal impact to network performance. The control application sends a UDP request to SSPA unit and waits for response. The length of time the control application waits depends on how it is configured. If the timeout is reached and the control application has not heard back from the agent, it assumes the packet was lost and retransmits the request. The number of the retransmissions is user configurable.

The Paradise Datacom SSPA Ethernet IP interface can use UDP ports from 0 to 65553 for sending and receiving. The receiving port needs to be specified through the front panel menu. For sending, it will use the port from which the UDP request originated. Of course, it is up to the user to select an appropriate pair of ports that are not conflicting with standard IP ser- vices. Paradise Datacom recommends usage of ports 1038 and 1039. These ports are not assigned to any known application.

As an application layer protocol (which actually carries meaningful data), the standard SSPA serial protocol was selected. This protocol proves to be extremely flexible and efficient. It is also media independent and can be easily wrapped into another protocol data frame. An ex- ample of the UDP frame with encapsulated Paradise Datacom protocol frame is shown on Figure 8-6.

UDP Header

SSPA Serial Protocol Frame

CRC 16

(8 bytes)

(11+N Bytes, 0<N<128)

checksum

 

 

 

Figure 8-6: UDP Redirect Frame Example

A detailed OSI model for the RM SSPA M&C interface is represented in Table 8-10.

Table 8-10: OSI Model for Compact Outdoor SSPA Ethernet IP Interface

OSI Layer

Protocol

Notes

Application

Paradise Datacom CO

Frame structure described in Section 8.0

 

SSPA Serial Protocol

 

 

 

Connectionless transport service. MTU on target PC

Transport

UDP

must be set to accommodate largest SSPA Serial Pro-

 

 

tocol Frame. Set MTU to a value larger than 127 bytes.

 

 

ARP, RARP and ICMP Ping protocols supported by

Network

IP

RM SSPA controllers. Static IP Address only, no DHCP

 

 

support.

Data Link

Ethernet

10/100 Base-T Network

Physical

Standard CAT5 (CAT

Maximum node length 100 m

6) Network Cable

 

 

This set of Ethernet IP protocols is currently supported by Paradise Datacom Universal M&C package (Compact Outdoor SSPA). The software is supplied on CD with the unit, or can be downloaded by registered users from the company web site, http://www.paradisedata.com.

Operations Manual, HPA3, Mini Compact Outdoor SSPA

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Paradise RA 5785 manual UDP Header Sspa Serial Protocol Frame CRC, UDP Redirect Frame Example
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RA 5785 specifications

Paradise RA 5785 is an advanced recreational vehicle designed to offer luxury and comfort for both seasoned travelers and newcomers to the world of RVing. With a focus on providing an unparalleled travel experience, the Paradise RA 5785 combines an array of innovative technologies and thoughtful design features.

One of the standout characteristics of the Paradise RA 5785 is its spacious interior layout. The floor plan is optimized for maximum livability, featuring an open concept living area that seamlessly integrates the kitchen, dining, and lounge spaces. High ceilings and large windows promote natural light, creating an inviting atmosphere. The unit typically accommodates up to six people, making it ideal for families or small groups.

In terms of technology, the Paradise RA 5785 is equipped with a state-of-the-art infotainment system that includes a large touchscreen display, Bluetooth connectivity, and premium audio systems. This allows travelers to enjoy their favorite music and navigate easily while on the road. Moreover, the RV comes with smart home features, including automated lighting, climate control, and security systems, all of which can be managed via a smartphone app, providing convenience at your fingertips.

The Paradise RA 5785 is built on a robust chassis that ensures stability and safety during travel. It features a powerful engine designed for fuel efficiency and performance, enabling smooth handling on various terrains. The suspension system is engineered for a comfortable ride, even on bumpy roads, providing a stable and enjoyable journey for all passengers.

Storage is another key feature of the Paradise RA 5785. Clever design elements include hidden compartments and ample cabinetry, allowing users to stow away their gear and maintain an organized living space. The kitchen is equipped with modern appliances, including a refrigerator, microwave, and oven, catering to all culinary needs while on the road.

To ensure an enjoyable outdoor experience, the Paradise RA 5785 often includes a retractable awning, outdoor entertainment systems, and additional storage for camping gear. This promotes an seamless transition from indoor comfort to outdoor adventure, making it perfect for those who love to explore nature.

In summary, the Paradise RA 5785 represents the pinnacle of RV design, combining practical features and cutting-edge technology for an unforgettable travel experience. Its impressive amenities, spacious design, and user-friendly technologies give it a competitive edge in the market, appealing to those seeking luxury and comfort on their journeys.
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