DOC 4380A
4380A O & M Manual
iii
098-00723-000– Jul 2017 Revision 4.0 SyncSystem 4380A O&M Manual
Table of Contents
1 General Information ......................................................................................................... 1
1.1 Introduction .......................................................................................................... 1
1.2 Ordering Information ........................................................................................... 1
1.3 Safety Information ................................................................................................ 2
2 Installation ........................................................................................................................ 4
2.1 Powering on the 4380A ........................................................................................ 4
2.2 Application Start Up ............................................................................................. 5
2.3 Communicating with the 4380A .......................................................................... 5
2.3.1 DHCP ............................................................................................................ 5
2.3.2 Static IP Addresses ....................................................................................... 5
2.3.2.1 Network ..................................................................................................... 5
2.3.2.2 Console Cable ........................................................................................... 5
2.3.3 Setting a Static IP Address ............................................................................ 6
2.3.4 USB Ports ...................................................................................................... 7
2.4 Antenna Installation ............................................................................................. 7
2.4.1 Antenna Location .......................................................................................... 7
2.4.2 Setting the Antenna Voltage ......................................................................... 9
2.4.3 Outdoor Antenna Grounding ...................................................................... 10
2.4.4 Antenna Mask Angle .................................................................................. 10
2.4.5 Positioning Modes ...................................................................................... 10
2.4.5.1 Dynamic Position Mode .......................................................................... 10
2.4.5.2 Auto Position Mode ................................................................................ 11
2.4.5.3 Manual Position Mode ............................................................................ 12
2.5 4380A Installation .............................................................................................. 14
2.5.1 Chassis Grounding ...................................................................................... 14
2.5.2 Power Supplies ............................................................................................ 14
2.5.3 Input/Output Cards ...................................................................................... 15
2.5.4 4394A (PPS/DC IRIG) ............................................................................... 15
2.5.5 4376A RS-422 PPS ..................................................................................... 17
2.5.6 4394A-ECL (PPS-ECL) .............................................................................. 18
2.5.7 4395B-10 (10MHz) ..................................................................................... 19
2.5.8 4395B-5 (5MHz) ......................................................................................... 20
2.5.9 4395B-1 (1MHz) ......................................................................................... 20
2.5.10 4387A Series (Modulated IRIG/NASA36) ................................................. 20
2.5.11 4396A/4397A 2MHz Output Card .............................................................. 22
2.5.12 4374A T1 (1.544MHz) Output Card .......................................................... 22
2.5.13 4393A Time Interval Counter (TIC) Card .................................................. 23
2.5.14 4383A IRIG Input Card .............................................................................. 24
2.6 Antenna Delay Calibration ................................................................................. 24
2.7 On Time Point (OTP) ......................................................................................... 25
2.8 Using an External Frequency Reference: ........................................................... 26
2.9 Setting the System Time Manually .................................................................... 28
2.9.1 Force Time .................................................................................................. 28
2.9.2 External Reference ...................................................................................... 28