Qualcomm GSP-1620 Power-On, DC power consumption of the ODU antenna’s receive section, Input

Integrating GSP-1620 Modems into OEM Products

the DC power consumption of the ODU antenna’s receive section.

Table 7-3.	Modem DC Power Consumption Estimates at 12 V DC
	Input
Mode		Minimum	Typical	Maximum
Shutdown		1.2 mW	2.4 mW	6 mW
Standby		280 mW	500 mW	2.4 W
Transmit		3.6 W	4.8 W	5.4 W

The power modes in Table 7-3 are as follows:

•Shutdown — The modem is not operational in this state and reverts to this state when DTR lines are inactive.

•Standby — The receiver section in the modem is active during this time and the modem is ready to transmit/receive data.

•Transmit — The modem’s transmitter is active in this state and may be in the process of transmitting/receiving data.

Power-On

Power-on is controlled via OR’d DTR signals from any port (Data, Control or Diagnostic). When DTR is asserted on one or more of the ports, the GSP-1620 modem powers up. Upon successful power-up, the modem asserts the DSR line of each active port to let the user know that it has booted up successfully and is ready to accept commands. Only the Data and Control ports include DSR lines.

Note	At least one port DTR signal must remain asserted during the entire
	power-on sequence, until a DSR signal is asserted.

80-99208-1 Rev. D 7-17