Comtech EF Data SMS-7000 - Manual (Page 12)

Preface SMS-7000 Modem Protection Switch
iv Rev. 3
2.3 Mounting .....................................................................................................................................................2–7
2.3.1 Description ...............................................................................................................................................2–7
2.3.1.1 Top Mount.......................................................................................................................................2–7
2.3.1.2 Back Mount .....................................................................................................................................2–7
2.3.2 Installation................................................................................................................................................2–8
2.3.2.1 Switch Control Unit.........................................................................................................................2–8
2.3.2.2 Top Mount Installation ....................................................................................................................2–8
2.3.2.3 Back Mount Installation ................................................................................................................2–10
2.4 Cable Installation......................................................................................................................................2–13
2.4.1 Interconnecting the Switch Components................................................................................................2–13
2.4.1.1 SCU (J4) to DSU (J11) Interface...................................................................................................2–15
2.4.1.2 Remote Connection .......................................................................................................................2–15
2.4.1.3 DSU (J12) to IFU (J1) ...................................................................................................................2–16
2.4.1.4 DSU J9 (BU1) Modem Connector to Backup Modem..................................................................2–16
2.4.1.5 DSU JI CH to Prime Modem.........................................................................................................2–16
2.4.1.6 IFU Connections (CP17 through CP36)........................................................................................2–17
2.5 Configuration Setup .................................................................................................................................2–17
2.5.1 Configure Rack Setup ............................................................................................................................2–17
2.5.2 Trouble Shoot Configuration .................................................................................................................2–19
2.6 DSU Data Connections (J1 through J10)................................................................................................2–20
2.6.1 SCU Rear Panel .....................................................................................................................................2–22
2.6.1.1 User Remote (J1)...........................................................................................................................2–22
2.6.1.2 Modem Remote (J2)......................................................................................................................2–23
2.6.1.3 Switch Faults (J3)..........................................................................................................................2–23
2.6.1.4 Prime Mod (Online) Status (J6) ....................................................................................................2–24
2.6.1.5 Prime Mod (Online) Status (J5) ....................................................................................................2–25
2.6.2 DSU Terrestrial Data Interfaces.............................................................................................................2–26
2.6.2.1 EIA-422/8 kbit/s Terrestrial Data (J6)...........................................................................................2–27
2.6.2.2 V.35/EIA-232-C Terrestrial Data (J1)...........................................................................................2–29
2.6.2.3 Engineering Service Channel Data (J4).........................................................................................2–30
2.6.2.4 Alarms (J2)....................................................................................................................................2–31
2.6.2.5 ADPCM Audio Data (J5) ..............................................................................................................2–32
2.6.2.6 Balanced G.703/Drop & Insert Data (J3) ......................................................................................2–33
2.6.2.7 Unbalanced Data Ports ..................................................................................................................2–34
2.6.3 IFU Uplink and Downlink IF (CP1 through CP16) ...............................................................................2–35
CHAPTER 3. OPERATION ................................................................................................................3–1
3.1 Configuration..............................................................................................................................................3–1
3.1.1 Backup Modems ......................................................................................................................................3–2
3.1.2 Prime Modems .........................................................................................................................................3–2
3.2 Front Panel..................................................................................................................................................3–2
3.2.1 LED Indicators.........................................................................................................................................3–3
3.2.2 Front Panel Controls ................................................................................................................................3–4
3.3 Menu System...............................................................................................................................................3–5
3.4 Front Panel Menu.......................................................................................................................................3–7
3.4.1 Configuration Backup 1 and 2 Menu .......................................................................................................3–9
3.4.2 Configuration Independent Prime 1 through 8 Menu.............................................................................3–11