Murata Electronics North America 2492 Manual Do Utilizador
WIT2492
2000- 2007 Cirronet
15
M-2492-0000 Rev G1
Protocol Modes Definitions
mode 00 Transparent mode used for point-to-point networks
or multipoint remotes; does not support any packet
types.
types.
mode 01
This is the simplest protocol mode supporting Data
packets only. This mode is not recommended for
base radios. No
packets only. This mode is not recommended for
base radios. No
CONNECT
or
DISCONNECT
packets are supported and no sequence numbers are
provided.
provided.
packet types supported:
Data
mode 02
This mode includes notification when remotes are
registered or dropped through
registered or dropped through
CONNECT
and
DISCONNECT
packets that are sent to the user
application at the base station and at the remote. No
sequence numbers are provided.
sequence numbers are provided.
packet types supported:
Data
CONNECT
DISCONNECT
DISCONNECT
mode 04
This is the packet format used by the WIT2400.
This allows legacy software to operate the
WIT2492 with a minimum of changes. Note
however, that since different air data rates are used,
WIT2492s and WIT2400s cannot be mixed in a
network.
This allows legacy software to operate the
WIT2492 with a minimum of changes. Note
however, that since different air data rates are used,
WIT2492s and WIT2400s cannot be mixed in a
network.
packet types supported:
2400 data format
(addresses must be limited to 1..62)
modes 05 – 08
reserved for future use.
mode 09
This mode sends the protocol mode 01 packets
during transmit but receives data transparently.
during transmit but receives data transparently.
mode 0A
This mode sends the protocol mode 02 packets
during transmit but receives data transparently.
during transmit but receives data transparently.
mode 0C
This mode sends the protocol mode 04 packet
during transmit but receives data transparently.
during transmit but receives data transparently.
modes 0D – 0F reserved for future use.
mode 11
This mode sends data transparently but supports
protocol mode 1 during reception.
protocol mode 1 during reception.