ePAQ-9410 / ePAQ-
9420 User’s Guide UG-1071
Copyright © 2017 QEI
Communications Ports
15
TX
RX
TX
RX
PORT 7
(J3)
6.3.3 Recommended Cable Type
Fiber optic cable pair W/ ST connectors.
Fiber size : 62.5/125 um
.
6.4 Port 8 (J7B): IRIG-B RS-485
6.4.1 Introduction
The IRIG-B RS-485 port accepts digital IRIG-B time signal input. It can also function as an
echoed digital IRIG-B output.
6.4.2 IRIG-B Standards and functionality
IRIG Standard 200-04 IRIG-B122 w/ ANSI/IEEE-1344 extension (extension adds year. Year is
via software configuration option). Supports bridging, etc.