ZULU Modem
EVAL Board Configuration
Power Requirements: 9-15Vdc
Weight: 27grams, Dimensions:
Config Links
Link Ref
PD
Name
When Fitted
When Open
Power Down
Modem is Placed in Sleep Mode
Normal Operation
On each Power up with Zulu
On Power up Zulu Config settings
remain unchanged
WRE
Write Enable
Config setting are reset to de-
faults
DR1 DR2
Open Open
Open Fitted
Fitted Open
Fitted Fitted
Baud Rate:
4800
DR1
DR2
Sets Host
Baud
9600
19200
38400
USB / D Links (LK2,3,4,5)
For USB connect all Links from Centre to ’USB’ Side
For RS232 connect all Links from Centre to ’RS232’ Side
Antenna Connector
The connector is a 4mm Screw Thread (Part NO: SCRTM4RA)
Power Connection
Power is only required for RS232 comms, USB connection provides power automatically
Host Terminal Software
Connection to Host is via the micro-USB Cable or RS232 Cable.
Any Terminal emulation program can interface the Eval board, one we have found to be easy to
use and powerful is ‘Terminal’
This can be downloaded from : https://sites.google.com/site/terminalbpp/
https://sites.google.com/site/terminalbpp/
Notes for Optimising Range
In order to obtain the best range
1.
2.
3.
4.
Use max RF Transmit power (set Register R4 = 7)
use the slowest RF comms Rate (set Register R5 = 0)
Power the Eval boards from 12V (don't rely on the USB power)
Consider upgrading the antennas to models with gain.
DS-ZULUM-2
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