User's Manual

Table Of Contents
2 Features and Functions
20 SPSx80 Smart GPS Antenna User Guide
Lower housing
Figure 2.3 shows the lower housing of the SPS780 Smart GPS antenna. The lower
housing is the same for the SPS880, except for the identifying label. The housing
contains the two serial ports, one TNC radio antenna connector, the removable battery
compartment and the 5/8-11 threaded insert.
Figure 2.3 SPSx80 Smart GPS antenna lower housing
Each port or connector on the Smart GPS antenna is marked with an icon to indicate
its main function, as shown in Table 2.1.
Port 1 is a 7-pin 0-shell Lemo connector that supports RS-232 communications and
external power input. Port 1 has no power outputs.
Table 2.1 Receiver ports
Icon Name Connections
Port 1 Device, computer, external radio, power in
Port 2 Device, computer, external radio
RADIO Radio communications antenna
Port 1
Port 2
TNC radio
connection
Receiver identifying
label
antenna
5/8-11" threaded
insert