User's Manual

Chapter 1 - Description and Specifications
9
Input/output electrical characteristics for external connections
800 MHZ 1900 MHZ
Parameters
Min Typ. Max Min Typ Max
Unit
Power Supply @ 25 degrees C:
- Input Supply Voltage 5 13.2 32 5 13.2 32 V
@5V 600 800 mA
@13.2V 250 350 mA
Input supply current
(in comm. Mode at
full Tx power)
@32V 150 200 mA
@5V 350 450 mA
@13.2V 200 200 mA
Input supply current
(in comm. Mode at
averageTx power)
@32V 100 100 mA
LED Indicators
TD. Transmit Data.
Lit when modem is transmitting
data.
RD. Receive Data.
Lit when modem is receiving data.
CD. Carrier Detect.
Lit when data connection has been
established.
LS. Line Status. Continuous “on” state indicates that
the wireless modem is not
registered on the network.
Flashing state indicates registration
on network.
Off state. Modem is off (not ready)
or in download mode.
TR. Terminal Ready.
Commonly called “Data Terminal
Ready.” This is a readiness signal
from the PC.
PWR. Power.
Indicates presence of DC power
when lit.