ProSoft Technology RLX-OPC-SRV - Manual (Page 11)

Start Here RLX-OPC-SRV ♦ ProSoft Software
RadioLinx® OPC Server for Frequency Hopping and Industrial Hotspot™ Radios
ProSoft Technology, Inc. Page 11 of 108
January 22, 2009
1.2.4 RLX-IFHS
Tag name Description
RSSI This register displays the average signal strength received over the
previous 4 hop intervals. Should the downstream unit(s) fail, a Master will
maintain the last RSSI reading display.
VALUES:
110 to –55dBm (maximum reading)
Temperature Temperature as measured within the radio module.
Unit Address The unit address is, and must be, a unique identifier of each IFHS radio in a
network. The address value is 16-bits in length. The Master has by default,
and must retain, a unit address of 1; 65535 is the broadcast address.
VALUES
2-65534
Destination
Address As the name implies, this register specifies the ultimate destination for a
modem’s data.
Different network topologies dictate the configuration of Destination
Address:
PMP: Master Destination Address = 65535, Remote Destination Address
=1
PTP : Master Destination Address = UA of Remote, Remote Destination
Address =1
P2P : Master Destination Address =65535, Destination Address of each (of
2 / pair) Remote radio is the UA of the other
E2E : Destination Address of all radios=65535 (broadcast)
VALUES
1-65535
Retransmissions This register determines the maximum amount of times that a packet will be
retransmitted (in addition to the initial transmission), noting the following
specific behaviors in various network topologies:
PMP: Master will retransmit each data packet the exact number of times
specified; Slave will retransmit only if necessary, and then only until a given
packet is acknowledged or the value of the Slave’s retransmissions is
reached (after which it will discard the packet if retransmission not
successful).
PTP: Modem will retransmit to its counterpart only if necessary, and to a
maximum number of the value in retransmissions. Packet is discarded if
retransmissions are not successful. Recipients of packets will discard any
duplicates.
In a PMP system, set retransmissions to the minimum value required as,
effectively, the data throughput from Master to Remote is divided by 1 plus
the number stored in retransmissions.
VALUES
0-255
Roaming Roaming dictates which radio (by Unit Address (UA)) a Remote unit will
’look’ or ’attach to’ for its upstream signal path. This feature allows a
Remote unit to synchronize with a specified ‘upstream’ unit (either Master
or Repeater).
The options are as follows:
Roaming=65535:
With this value in its roaming register, a Remote will synchronize with an