ZULU Modem
Pinout
Pin Description
Pin No
1
2, 15
3-5,
11,
13-14,
20-24
6
7
8
9
10
12
16
17-18
19
25
26
27
28
29-30
Name
ANT
GND
Direction
In
In
Description
Antenna Input / Output 50ohm Impedance
Connect to Ground
N/C
N/A
Unused Leave Disconnected.
RX
TX
LINK
CTS
RTS
RESET
Vcc
DR1-DR2
WRE
PD
TX LED
RX LED
LINK
XTAL1-2
In
Out
In
Out
In
In
In
In
In
In
Out
Out
Out
In
(Low Level RS232) Data in
Low Level RS232 Data Out
Connect to LINK on Pin 28
Low Level RS232 CTS
Low Level RS232 RTS
Device Reset Input (Tie High via 10K Resistor)
+2.2-3.6v
Host Data Rate selection.
When High configuration data is held in EEPROM.
When Low configuration data is held in volatile memory
and lost on power cycle.
Power down mode. Take low to enter Sleep mode
RF TX LED indicator
RF RX LED indicator
Connect to LINK on Pin 8
Connect 30MHz XTAL here to drive RF Circuit
DS-ZULUM-2
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