Comtech EF Data OMS11 - Manual (Page 9)

Introduction OMS11 1:1 Redundancy Switch
TM133 – Rev. 1.1 2
Section 4 - Installation ............................................................................................................... 4-1
4.0 Installation Requirements ...................................................................................................... 4-1
4.1 Unpacking .............................................................................................................................. 4-1
4.1.1 Test Data Sheet .................................................................................................................. 4-2
4.2 Site Considerations ............................................................................................................... 4-2
4.2.1 Power Sources ................................................................................................................... 4-2
4.3 System Setup & Connections ................................................................................................ 4-3
Section 5 - Connector Pinouts .................................................................................................. 5-1
5.0 OMS11 External Interface Connections ................................................................................ 5-1
5.1 LED Indicators ....................................................................................................................... 5-2
5.2 Power Input............................................................................................................................ 5-2
5.2.2 AC Power Input (J6, J10) ................................................................................................... 5-2
5.2.3 DC Power Input (J6, J10) (Optional) .................................................................................. 5-2
5.3 Ground Lug ............................................................................................................................ 5-3
5.4 Remote Monitor & Control (J8) .............................................................................................. 5-3
5.4.1 Terminal Mode (RS232) ..................................................................................................... 5-3
5.4.2 Modem Remote Communications (RLLP/RS485).............................................................. 5-4
5.4.3 Common Equipment Faults (J8) ......................................................................................... 5-4
5.4.3.1 Fault Detection ................................................................................................................ 5-5
5.5 Terrestrial Data Interface (J7) - RS422 Sync, Async Overhead, G.703 Balanced I/O Port .. 5-7
5.6 Modem A Data Interface (J1) - RS422 Sync, Async Overhead, G.703 Balanced I/O Port ... 5-9
5.7 Modem B Data Interface (J13) - RS422 Sync,Async Overhead,G.703 Balanced I/O Port . 5-11
5.8 Modem A Remote/Terminal/Fault Port on OMS11 (J2) ...................................................... 5-13
5.9 Modem A Remote/Terminal/Fault Port on OMS11 (J14) .................................................... 5-14
5.10 TX &RX Waveguide Switch Interface (J5 & J9) ................................................................ 5-14
5.11 Mating Connectors ............................................................................................................ 5-16
Section 6 - Maintenance and Troubleshooting ........................................................................ 6-1
6.0 Basic Troubleshooting and Maintenance .............................................................................. 6-1
6.1 Basic User Checks ................................................................................................................ 6-1
6.1.1 Checking the Cabling and Connectors ............................................................................... 6-1
6.2 Major and Minor Faults .......................................................................................................... 6-1