WIT2450
©
2000- 2005 Cirronet
™
Inc
37
M-2450-0000 Rev B
5.3. Protocol Commands
These commands can be used to tune the transceiver for optimum transmission of data
across the RF link. For most applications, the default values are adequate.
Command
Description
pe[?|0-A]
Set Alternative Frequency Band
0
= FCC/ETSI operation. (2400.2 – 2474.5MHz) (default)
1
= (2431.3 – 2474.5 MHz) Avoids 802.11b bands 1 & 2
2
= (2400.2 – 2409.7 & 2440.8 – 2474.5 MHz) Avoids bands 3 & 4
3
= (2400.2 – 2418.3 & 2449.4 – 2474.5 MHz) Avoids bands 5 & 6
4
= (2400.2 – 2428.7 & 2459.8 – 2474.5 MHz) Avoids bands 7 & 8
5
= (2400.2 – 2437.3 & 2468.4 – 2474.5 MHz) Avoids bands 9 & 10
6
= (2400.2 – 2452.0 MHz) Avoids bands 11 & 12 (French compliant)
*** Only 16 networks are supported for pe7 and above ***
7
= (2421.7 – 2446.8 MHz) Avoids bands 1, 10, 11 & 12
8
= (2457.2 – 2449.4 MHz) Avoids bands 1 - 6
9
= (2400.2 – 2426.1 MHz) Avoids bands 6 - 12
A
= (2431.3 – 2456.3 MHz) Avoids bands 1, 2, 3 & 11
ph[?|00-fe]
(base only)
Set Hop Duration
90H
= default (=10ms)
pk[?|00-d0]
Set Minimum Data Length
01
= default
pl?
(remote only)
Get Maximum Data Length (read only)
D4
= default (=212 bytes)
pn[?|01-3e]
(base only)
Set Maximum Number of Remotes
8 = default (=8 remotes)
pr[?|00-ff]
Set Packet Attempts Limit
8 = default
FF
= infinite retry (RF flow control point-to-point only)
pt[?|00-ff]
Set Data Transmit Delay
00
= default
pw[?|00-2f]
(base only)
Set Base Slot Size
8
= default (=32 bytes)
Note: Incorrect setting of these parameters may result in reduced throughput or loss of data packets.