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XStream‐PKG‐T™TelephoneRFModem–ProductManualv5.x00[2006.02.24]

4. RFCommunicationModes

Network configurations covered in this chapter are described in terms of the following:

• Network Topology (Point-to-Point, Point-to-Multipoint or Peer-to-Peer)

• RF Communication Type (Basic or Acknowledged)

• RF Mode (Streaming, Repeater, Acknowledged or Multi-Streaming)

The following table provides a summary of the network configurations supported.

Table4‐01. SummaryofnetworkconfigurationssupportedbytheXStreamRFModem

Point-to-Point

Definition An RF data link between two modems.

Sample Network Profile *

(Broadcast Communications)

Use default values for all modems.

Sample Network Profile *

(Acknowledged Communications)

All Modems: ATAM [auto-set MY (Source Address) parameter] **

ATDT FFFF [set Destination Address to 0xFFFF]

Basic Communication RF Modes Streaming Mode [p28], Repeater Mode [p29]

Acknowledged Communication RF Mode Acknowledged Mode [p32]

Point-to-Multipoint

Definition RF data links between one base and multiple remotes.

Base: ATMY 0 [set Source Address to 0x00]

ATDT FFFF [set Destination Address to 0xFFFF]

Sample Network Profile *

(Basic Communications)

Remotes: ATAM [auto-set MY (Source Address) parameter] **

ATDT 0 [set Destination Address to 0x00]

Base: ATMY 0 [set Source Address to 0x00]

ATDT FFFF [set Destination Address to 0xFFFF]

ATRR 3 [set number of Retries to 3]

Sample Network Profile *

(Acknowledged Communications)

Remotes: ATAM [auto-set MY (Source Address) parameter] **

ATDT 0 [set Destination Address to 0x00]

ATRR 3 [set number of Retries to 3]

Basic Communication RF Modes Streaming Mode [p28], Repeater Mode [p29]

Acknowledged Communication RF Modes Acknowledged Mode [p

32], Multi-Streaming Mode [p34]

Peer-to-Peer

Definition

Modems remain synchronized without use of a master/server. Each

modem shares the roles of master and slave. MaxStream’s peer-to-

peer architecture features fast synch times (35ms to synchronize

modems) and fast cold start times (50ms before transmission).

Sample Network Profile *

(Basic Communications)

Use default values for all modems.

Sample Network Profile *

(Acknowledged Communications)

All Modems: ATAM [auto-set MY (Source Address) parameter] **

ATDT FFFF [set Destination Address to 0xFFFF]

ATRR 3 [set number of Retries to 3]

Basic Communication RF Mode Streaming Mode [p28]

Acknowledged Communication RF Mode Acknowledged Mode [p

32]

*Assumedefa ultvaluesforparametersnotlisted.Profilesdonotreflectaddressingimplementations.

**AM(Auto‐setMY)Commandmustbeissuedthroughaterminalprogramsuchastheoneincorporatedin

theX‐CTU‘Terminal’tab.

