Ericsson LBI-39224 - Manual (Page 275)

LBI-39224
6-1
6. CHAPTER 6
NETCLOCK/2™ INTERFACE OPTION
6.1 OVERVIEW
A Coordinated Universal Time (UTC) standard option is available that
allows the CEC/IMC to be synchronized to WWVB, operating on a
frequency of 60 kHz, in Fort Collins, Colorado. This option uses
Spectracom
®
Corporation's NETCLOCK/2™ WWVB receiver which
interfaces to the CEC/IMC via an RS-232 serial port at the CEC/IMC
Manager (usually COM2). With this option installed, the CIMs and
consoles are synchronized to the UTC signals broadcast by WWVB.
NETCLOCK/2 functions are now integrated into the Microsoft
Windows NT operating system. Previously, NETCLOCK/2
functions were integrated into CEC/IMC Manager software
program V4.0. The option was a Terminate Stay Resident
(TSR) program in software versions prior to V3.0 (V2.12 and
earlier).
NOTE