Chapter 1 – Product Overview
18
Multi-Tech Systems, Inc. MultiModem rCell User Guide
Global Positioning System (GPS) – Underwriters Laboratories, Inc. Statement
Underwriters Laboratories Inc. (“UL”) has not tested the performance or reliability of the Global Positioning
System (“GPS”) hardware, operating software or other aspects of this product. UL has only tested for fire, shock or
casualties as outlined in UL’s Standard(s) for Safety.UL60950-1 Certification does not cover the performance or
reliability of the GPS hardware and GPS operating software. UL MAKES NO REPRESENTATIONS, WARRANTIES OR
CERTIFICATIONS WHATSOEVER REGARDING THE PERFORMANCE OR RELIABILITY OF ANY GPS RELATED
FUNCTIONS OF THIS PRODUCT.
RS232 9-Pin Functions of the Female End Connector
The following table explains the pin functions.
External Power
Serial Cable
Female Connector
Signal
IN/OUT
Pin 1 CD
O
Pin 2 RX
O
Pin 3 TX
I
Pin 4 DTR
I
Pin 5 GND
--
Pin 6 DSR*
O
Pin 7 RTS
I
Pin 8 CTS
O
Pin 9 RI
O
Note:
The DSR signal on pin 6 is always asserted by the router.