User's Manual

9XTend™ OEM RF Module - Product Manual v2.x6x
© 2010 Digi Internatonal, Inc. 59
Table 5-04. Diagnostics
CT
Command Mode Timeout. Set/Read the amount of
inactive time that elapses before the module automatically
exits from AT Command Mode.
2 - 0xFFFF 
[x 100 ms]
Command Mode
Options
2 0xC8 (200d)
E0
Echo Off. Turn off character echo in AT Command Mode.
By default, echo is off.
--
Command Mode
Options
-- --
E1
Echo On. Turn on character echo in AT Command Mode.
Each input character is echoed back to out to the host.
--
Command Mode
Options
-- --
AT 
Command
AT Command Name Parameter Range
Command 
Category
# Bytes
Returned
Factory
Default
--4scitsongaiDAFFB5x0 ot ACC2x0egatloV draoBV%
CF
Command Format. Set/Read the format of
data entered and displayed for commands.
Use decimal format unless Hex is forced or
preferred.
0 – 2
0 = Decimal with units
1 - Hexadecimal 
without units. All input 
and output is in 
hexadecimal format.
2 - Decimal without 
units.
Diagnostics 1 1
DB
Received Signal Strength. Read the receive
signal strength (in decibels relative to
milliWatts) of the last received packet.
0x6E - 0x28 [read-only]
Sample Output: 
-88 dBm (when ATCF =
0)
58 (when ATCF = 1)
-88 (when
ATCF = 2)
Diagnostics 2 --
ER
Receive Error Count. Set/Read the number
of receive-errors.
0 - 0xFFFF Diagnostics 2 0
GD
Receive Good Count. Set/Read the count of
good received RF packets.
0 - 0xFFFF Diagnostics 2 0
HV
Hardware Version Read and display the
version of the hardware
0 – 0Xffff Diagnostics 2 --
RC
Ambient Power - Single Channel. Examine
& report the power level on a given channel.
0 - 0x31 [dBm, read-only]
Sample output: 
-78 dBm [when CF = 0]
4e [when CF = 1]
-78 [when CF = 2]
Diagnostics 1 --
RM
Ambient Power - All Channels. Examine and
report power level
s on all channels.
No parameter - 0x7D0 Diagnostics 2 --
RP
RSSI PWM Timer. Enable PWM ("Pulse
Width Modulation") output on the Config/RSSI
pin (pin 11 of the OEM RF Module)
0 - 0xFF [x 100 msec] Diagnostics 1 0x20 (32d)
TP
Board Temperature. Read the current
temperature of the board.
0 - 0x7F [read-only] Diagnostics 1 --
TR
Delivery Failure Count. Report the number of
retransmit failures.
0 - 0xFFFF [read-only] Diagnostics 2 0
VL
Firmware Version – verbose. Read detailed
version information including application build
date and time.
Returns string Diagnostics -- --