Datum Systems M7 Series

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Maintenance M7/M7L/M7LT Modular Satellite Modem

4-20 M7/M7L/M7LT - Rev. 0.05

Lvl

Level

Max

Maximum

MCC

Modem Control Channel

Min

Minimum

Mod

Modulator

Mux

Multiplexer

Opt

Option

OverHd

Overhead

RCV, Rcv

Receive, into the Demodulator

Redundcy

Redundancy

Ref

Reference

Rqst

Request

RS, R-S

Reed-Solomon – Type of FEC

Sat

Satellite

SCPC

Single Channel Per Carrier

SER

Symbol Error Rate

SnIP

Satellite network Interface Processor, our name

for an Ethernet Interface running Linux.

SW, Sw

Switch

Sync

Synchronous or Synchronization

SysClk

System Clock

Ter, Terr

Terrestrial – Line side of modem

TPC

Turbo Product Codes – Type of FEC

Tst

Test

USB

Universal Serial Bus

VSAT

Very Small Aperture Terminal

XMT, Xmt

Transmit, from the Modulator

Main Page

Installation and Operation Manual1
Table of Contents3
Rohs Compliance8
About this Manual9
Revision History9
Introduction11
M7 Modem Description11
Network Types11
Figure 1-1 - M7 Series Modems11
Figure 1-2 - Point-To-Point Network12
Figure 1-3 - Four (4) Site Point-To-Multipoint Network13
Figure 1-4 - Four (4) Site Mesh Network13
What's New - this Modem and this Manual14
Figure 1-5 - M7 Modem (Shown in 1RU Shelf Configuration)14
Figure 1-6 - M7LT Terminal (Showing Front and Rear Views)15
M7 Modem Assemblies16
Figure 1-7 - M7 Modem Assemblies (Shown with Standard Serial Interface)16
Figure 1-8 - Modem Block Diagram17
M7 Capabilities18
Figure 1-9 - Spectrum Analyzer Plot of 0.35 Verses 0.08 Roll-Off Factors18
Figure 1-10 - Carrier Alpha = 0.08, 1Msps X1.10 Carrier Spacing19
Table 1-1 - Bandwidth Savings Related to Carrier Alpha19
Figure 1-11 - Synchronous Serial Interface20
Figure 1-12 - Ethernet Interface (I7)21
Figure 1-13 - Express Ethernet Interface (E7)22
Figure 1-14 - Dual G.703/E1 Interface (G7)23
Figure 1-15 - HSSI Interface24
Figure 1-16 - Dual Interface Configuration I7 and S724
Figure 1-17 - Dual Interface Configuration I7 and G725
Figure 1-18 - Dual Interface Configuration E7 and G725
Table 1-2 - Internal Framing Options26
Forward Error Correction (FEC) Options28
Table 1-3 - Modulation, FEC, and Code Rates28
Figure 1-19 - Reed-Solomon Block Diagram30
Table 1-4 - Reed-Solomon Modes30
Figure 1-20 - TCP Option Card31
M7 Series Feature Sets32
1:1 Redundancy Function (Future Option)32
Table 1-5 - M7 Series Feature and Option Matrix32
Installation Requirements33
Unpacking33
Mounting Considerations33
Modem Connections34
Figure 2-1 - M7 Rear Panel with Synchronous Serial Interface Option34
Figure 2-2 - M7LT Rear Panel with AC Prime Power Input34
Figure 2-3 - M7LT Rear Panel with DC Prime Power Input35
Table 2-1 - Remote IP Control Connector Pinout (J4)35
Table 2-2 - Remote Control Connector Pinout (J5)36
Table 2-3 - Alarm Connector Pinout (J6)36
Figure 2-4 - M7LT Rear Panel Connector Options (N Type or F Type)37
Figure 2-5 - M7LT Rear Panel Indicators38
Table 2-4 - Rear Panel BUC and LNB Status Indicator38
Figure 2-6 - M7LT Internal BUC Power Supply (AC Version Shown)39
Figure 2-7 - M7LT Internal BUC Power Supply (DC Version)39
Table 2-5 - BUC Power Supply Options40
Table 2-6 - Synchronous Serial Data Interface Connector Pinout (J11)41
Table 2-7 - Serial Interface Overhead Channel - IBS Standard Mux - RS-232 (J10)42
Table 2-8 - Serial Interface Overhead Channel - IBS Standard Mux - RS-485 (J10)42
Table 2-9 - Serial Interface Overhead Channel - Advanced/Ibs Custom Mux - RS-232 (J10)43
Table 2-10 - Serial Interface Overhead Channel - Advanced/Ibs Custom Mux - RS-485 (J10)44
Figure 2-8 - I7 - IP Interface Rear Panel45
Table 2-11 - I7 IP Interface Connector Pinout (J12)45
Table 2-12 - I7 Console Connector Pinout (J13)45
Figure 2-9 - Express Ethernet Interface (E7)46
Figure 2-10 - Typical SFP Interface Adapters (Optical and Gbe Shown)46
Table 2-13 - E7 Gigbit Ethernet Interface Ports 1-4 Connector Pinout (J29-J32)46
Figure 2-11 - G7 - Dual G.703/E1 Interface Rear Panel47
Figure 2-12 - RJ45 to BNC Adapter47
Table 2-14 - Port 1 (J22) & Port 2 (J21) Connector - 120 Ohm Balanced Pinout (Rj48C)47
Table 2-15 - Overhead Interface - RS-232 (J20)48
Table 2-16 - Overhead Interface - RS-485 (J20)48
Figure 2-13 - HSSI Interface Rear Panel49
Table 2-17 - M7 Overhead Channel - IBS Standard Mux - RS-232 (J25)50
Table 2-18 - M7 Overhead Channel - IBS Standard Mux - RS-485 (J25)50
Table 2-19 - M7 Overhead Channel - Advanced/Ibs Custom Mux - RS-232 (J25)51
Table 2-20 - M7 Overhead Channel - Advanced/Ibs Custom Mux - RS-485 (J25)52
Adding or Changing the Interface Type53
Option Turbo Product Codes FEC Option Installation53
Figure 2-14 - Typical Single Interface Card Layout (Synchronous Serial Interface Shown)53
Figure 2-15 - FEC Option Card Installation54
Redundancy Connection (Future Option)55
Operation57
Operating Procedures57
Front Panel57
Figure 3-1 - M7 Front Panel Controls and Indicators57
Table 3-1 - Modem LED Indicators58
Table 3-2 - Modulator LED Indicators58
Table 3-3 - Demodulator LED Indicators58
Front Panel Control and Monitor Matrix59
Web Browser Operation62
Figure 3-3 - Login Page62
Figure 3-4 - M7 Web Browser Page Sections63
Figure 3-5 - Summary Status Page64
Figure 3-6 - Unit Status Page65
Figure 3-7 - Unit Reference Page65
Figure 3-8 - Unit Events Log Page66
Figure 3-9 - Unit Remote IP Control Interface Pages67
Figure 3-10 - Unit Remote Serial Control Interface Page67
Figure 3-11 - Unit HTTP Page68
Figure 3-12 - Unit Event Page68
Figure 3-13 - Modulator Status Page69
Figure 3-14 - Modulator if Page69
Figure 3-15 - Modulator Data Interface Page70
Figure 3-16 - Modulator Event Page70
Figure 3-17 - Demodulator Status Page71
Figure 3-18 - Demodulator if Page71
Figure 3-19 - Demodulator Data Interface Page72
Figure 3-20 - Demodulator Event Page72
Figure 3-21 - Demodulator Monitor Constellation Page73
Figure 3-22 - Demodulator Monitor Spectrum Analyzer Page74
Figure 3-23 - Serial Synchronous Interface Status Page75
Figure 3-24 - Serial Synchronous Interface I/O Page76
Figure 3-25 - Serial Synchronous Interface Overhead Mux/Demux Page76
Figure 3-26 - Serial Synchronous Interface ESC Interface Page77
Figure 3-27 - Serial Synchronous Interface Test Configuration Page77
Figure 3-28 - Serial Synchronous Interface Event Page78
Figure 3-29 - I7 Interface Status Page79
Figure 3-30 - I7 Interface IP Configuration Page79
Figure 3-31 - I7 Interface MCC Configuration Page80
Figure 3-32 - I7 Interface Event Page80
Figure 3-33 - I7 Interface Statistics Page81
Figure 3-34 - E7 Interface Status Page82
Figure 3-35 - E7 Interface Events Page82
Figure 3-36 - E7 Interface I/O Port Configuration Page83
Figure 3-37 - E7 Interface Qos Configuration Page83
Figure 3-38 - E7 Interface Statistics Page84
Figure 3-39 - Dual G.703 Interface Status Page85
Figure 3-40 - Dual G.703 Interface Send Mux Page85
Figure 3-41 - Dual G.703 I/O Port 1 Page (Showing D&I Selections)86
Figure 3-42 - Dual G.703 Interface Event Page87
Front Panel Monitor and Control Parameters88
Table 3-4 - M7 Front Panel Parameter Matrix - Modulator Sheet88
Table 3-5 - Modem (Unit) Parameter Detail89
Table 3-6 - Modulator Parameter Detail97
Table 3-7 - Demodulator Parameter Detail102
Table 3-8 - Synchronous Interface Parameter Detail108
Table 3-9 - I7 - IP Interface Parameter Detail113
Table 3-10 - E7- Express Ethernet Interface Parameter Detail117
Table 3-11 - G7 - Dual G.703/E1 Interface Parameter Detail123
Table 3-12 - High Speed Serial Interface (HSSI) Parameter Detail128
Remote Command Interface Control134
Modem Configuration134
Figure 3-43 - Alarm Processing139
Table 3-13 - ASCII Characters Available for Unit Station ID140
Data Interface Options - Technical Details141
Figure 3-44 - Express Ethernet Interface Block Diagram145
Figure 3-45 - Point-To-Point Satellite Network147
Figure 3-46 - Point-To-Multipoint Satellite Network148
Figure 3-47 - Four Site Ptmp Hub and One Remote Site Example148
Figure 3-48 - Four Site Mesh Network Example149
Figure 3-49 - Configuration of a Mesh Network Site with a Spare Demodulator150
Data Interface Clock Options152
Figure 3-50 - Modulator Clock Source Options153
Figure 3-51 - Demodulator Clock Source Options154
3.10. Automatic Uplink Power Control (AUPC) Operation157
Table 3-14 - AUPC Functions157
Figure 3-52 - AUPC Remote Enabled Network158
Figure 3-53 - Hub Modulator with Optional AUPC Demodulator160
Figure 3-54 - Point-To-Multipoint AUPC Configuration for a Four (4) Site Network161
3.11. Special Control Mechanisms165
3.12. Storing and Recalling Configuration166
3.13. Burst Mode Operation166
Built-In 1:1 Redundancy Mode Operation (Future Option)167
Figure 3-55 - M7 Connections for 1:1 Redundancy167
Maintenance171
Periodic Maintenance171
Modem Checkout171
Table 4-1 - Factory Default Parameters172
Internal Modem Test Functions173
Figure 4-1 - Loopback Block Diagram173
Troubleshooting176
Updating Modem Firmware178
Upgrading the Modem Feature Set182
Figure 4-2 - Unit Feature Page182
Figure 4-3 - Modulator Feature Page183
Figure 4-4 - Demodulator Feature Page183
Figure 4-5 - E7 Interface Feature Page183
Frequently Asked Questions - FAQ184

Datum Systems M7 Series - Page 190

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