© Microhard Systems Inc. Confidential 98
6.0 Register/Command Reference
Values (4-65534)
S248 Sync Timeout
100 (Mesh)
512 (PP/PMP)
To remain synchronized to the network a unit must receive sync data
occasionally from a coordinator or master. The Sync Timeout defines the
number of frames (Mesh) or hops (PMP/PTP), before losing sync completely.
The sync timeout works like a counter that decrements with each frame or hop
interval where sync data is not received. When valid sync data is received the
counter is reset to the value set in S248, if the counter reaches zero, the unit
will lose sync.
In MESH is only set on Primary Coordinator and propagated in sync packets.
Values (1-255)
S249 (PMP/PP) Pkts per hop tx limit
255
Limits the number of packets a modem can send in one hop interval (1-255).
Default - 255 (unlimited). Normally should be left unchanged.
Values (0-100%)
S250 (PMP) Master Bandwidth, %
50
Sets a limit on bandwidth available to the master in PMP mode when the
channel is allocated to a slave.
Values (1-255)
S251 (PMP) Master Hop Allocation Timeout
10
In PMP mode S251 defines the channel release timeout in hop intervals. (1-
255). Normally a slave must release the channel by sending a channel release
packet. If slave stopped communicating with master and didn't release the
channel, the master will wait for S251 hop intervals before de-allocating the
channel. Normally should be left unchanged.
Values (1-255)
S252 (PMP) Slave Ch Allocation Timeout
10
Channel Allocation Limit for slave, packets (1-255). Defines a number of
packets a slave can transmit before releasing the channel. 255 - no restrictions.
Default - 10.
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