Product Manual

Description of the System Zenith35 Pro | 11
2.3.3 Data Storage Concept
Description GNSS raw data can be recorded on the microSD card or internal memory.
Data storage device

Unplugging connecting cables or removing the microSD card during the measurement can cause
loss of data. Only remove the microSD card or unplug connecting cables when the instrument is
switched off.
2.4 Instrument Components
Zenith35 Pro compo-
nents
2.5 Pin Assignments
Pin assignments for
port 1
Pin assignments for
port 2
Plug types
Device Description
microSD card The instrument has a microSD card slot fitted as standard. A microSD card
can be inserted and removed.
Internal memory The instrument has an internal memory fitted as standard. Available
capacity: 4 GB.
a) TNC connector for UHF antenna
b) LEMO port 1
c) Battery compartment with SIM card and
microSD card holder
d) Keyboard with LEDs, ON/OFF button and
Function button
e) LEMO port 2
f) TNC connector for UMTS antenna
g) Mechanical Reference Plane (MRP), where the
instrument heights are measured.
010007_001
a
b
e
d
f
c
g
1
5
43
2
0010010_001
Pin Signal Name Function
1 PWR 12V power supply in
2 GND Signal and chassis ground
3 TxD RS232, transmit data
4 GND Signal ground
5 RxD RS232, receive data
1
5
43
2
6
7
0010008_001
Pin Signal Name Function
1 NC Not used
2 USB_D- USB data line
3 PWR 5V power supply (USB)
4 USB_D+ USB data line
5 TxD RS232, transmit data
6 RxD RS232, receive data
7 GND Signal ground
Port1: LEMO-1, 5 pin, LEMO EEG.0B.305.CLN
Port2: LEMO-1, 7 pin, LEMO EEG.0B.307.CLN