Datum Systems PSM-500 - Page 6

PSM-500/500L/500LT SCPC Satellite Modem Table of Contents
PSM-500/500L/500LT - Rev. 0.91
iv
Figure 2-5 FEC Option Card Installation ............................................................... 2-27
Chapter 3 - Operation ......................................................................................................................... 3-1
3.1 Operating Procedures ............................................................................................................ 3-1
3.1.1 Front Panel Control ...................................................................................................... 3-1
3.1.2 Front Panel Layout and Features ................................................................................. 3-1
3.1.2.1 Front Panel LCD Display .................................................................................... 3-1
3.1.2.2 Front Panel Keypad ............................................................................................ 3-2
3.1.2.3 Front Panel LED Indicators ................................................................................. 3-4
Modem LED Indicators ............................................................................................... 3-4
Modulator LED Indicators ........................................................................................... 3-4
Demodulator LED Indicators ...................................................................................... 3-4
3.1.3 Guide to Front Panel Monitor and Control.................................................................... 3-5
3.1.3.1 Navigating Modem Parameters .......................................................................... 3-5
3.1.3.2 Monitoring Modem Parameters ........................................................................... 3-6
3.1.3.3 Changing Modem Parameters ............................................................................ 3-6
3.1.3.4 Automatic Modem Parameter Sequences .......................................................... 3-7
3.1.3.5 Finding Modem Parameter Limits ....................................................................... 3-7
3.2 Front Panel Monitor and Control Parameters ........................................................................ 3-7
Table 3-1 PSM-500 Front Panel Parameter Matrix – Unit Sheet ..................................... 3-9
Table 3-4 PSM-500 Front Panel Parameter Matrix – Interface Sheet ............................ 3-11
Table 3-5. Modem (Unit) Parameter Detail .................................................................... 3-12
Table 3-6. Modulator Parameter Detail .......................................................................... 3-16
Table 3-7. Demodulator Parameter Detail ..................................................................... 3-20
Table 3-8. Interface Parameter Detail ............................................................................ 3-25
3.3 Terminal Mode Control ........................................................................................................ 3-27
3.3.1 Modem Setup for Terminal Mode ............................................................................... 3-27
Figure 3-2a. Terminal Mode – Example of Unit Status Screen ........................ 3-28
Figure 3-2b. Terminal Mode – Example of Unit Status Screen Selection ....... 3-28
Figure 3-3. Terminal Mode – Example of Unit Test Screen .............................. 3-29
3.3.2 Programming Modem Operational Values From the Terminal Screens .................... 3-29
3.4 Remote Command Interface Control ................................................................................... 3-30
3.4.1 System Unit Programming/Communications ............................................................. 3-30
3.5 Modem Checkout ................................................................................................................. 3-30
3.5.1 Power-Up .................................................................................................................... 3-31
3.6 L-Band Feature Operation ................................................................................................... 3-31