User guide

4
Canoga Perkins
Table of Contents
Chapter 1 - General ..........................................................................................8
1.1 Equipment Description ................................................................................... 8
1.2 Functions, LEDs and Switches ....................................................................... 8
1.3 2201 Rack Chassis ....................................................................................... 10
1.4 2202 Modem Shelf ........................................................................................ 10
1.5 Fiber Optic Versions ..................................................................................... 10
1.6 Loss Budget .................................................................................................. 11
1.7 Optical Bandwidth ......................................................................................... 11
1.8 General Installation ...................................................................................... 11
1.8.1 Fiber Optic Cable and Connectors ................................................................... 11
1.8.2 Initial Unit Testing ............................................................................................. 11
1.9 Sensitivity and Optical Power Switches (HP Laser Version Only............. 12
1.9.1 Optical Power Switch (HP Laser Version Only) .............................................. 12
1.9.2 Sensitivity Switch (HP Laser Version Only ...................................................... 12
1.9.3 Optical Switch Settings (HP Laser Version Only) ............................................ 12
1.10 Switch and Jumper Setting ......................................................................... 13
1.11 Mean Time Between Failures (MTBF) ....................................................... 13
Chapter 2 - Installation ................................................................................ 16
2.1 Unpacking the Unit ....................................................................................... 16
2.2 Standalone Modem Installation ................................................................... 16
2.3 2202 Modem Shelf Installation .................................................................... 16
2.4 Fiber Cable and Connectors ......................................................................... 17
2.5 DC Power ...................................................................................................... 17
2.6 Rack Chassis Installation ............................................................................ 18
2.7 Mode and Rate Selection ............................................................................. 18
2.7.1 External Clock Operation ................................................................................. 18
2.7.2 Internal Clock Operation .................................................................................. 18
2.7.3 Asynchronous Operation .................................................................................. 20
2.7.4 Data Rates ........................................................................................................ 20
2.7.5 Data Rate vs. Module Frequency .................................................................... 20
2.7.6 Slave Clock Operation ....................................................................................... 20
2.7.7 Consideration of Propagation Delays ............................................................... 20
Chapter 3 - Data Interfaces........................................................................... 23
3.1 Electrical Data Interfaces ............................................................................ 23
3.2 RS-232C/423 Interface Model -32 .............................................................. 23
3.3 RS-449/422 Interfaces .................................................................................. 23
3.3.1 Jumper Strap Settings ....................................................................................... 24
3.3.1 Model -22 ......................................................................................................... 25
3.3.2 Model -H22 ...................................................................................................... 25
3.3.3 Model -R2R ..................................................................................................... 25