CANOGA PERKINS 2240 Fiber Optic Modem - Manual (Page 7)

2240 Fiber Optic Modem User Manual
7
Chapter 1. Introduction ........................................................................ 13
1.1. 2240 Modem .................................................................................................. 13
1.1.1. LEDs and Switches .............................................................................................. 14
1.2. 2201 Rack Chassis ........................................................................................ 15
1.3. 2202 Modem Shelf ......................................................................................... 16
1.4. 2200R Series Redundant Card ...................................................................... 16
1.5. Modem Operation........................................................................................... 16
1.5.1. General ................................................................................................................ 16
1.5.2. System Test and Diagnostics............................................................................... 18
1.5.3. Transmit Section .................................................................................................. 18
1.5.4. Receive Section ................................................................................................... 18
1.5.5. Expanded Interface Control Channels ................................................................. 19
1.5.6. Expanded Interface Auxiliary Channels ............................................................... 19
1.5.7. Fiber Optics.......................................................................................................... 19
1.6. Loss Budget ................................................................................................... 19
1.7. Initial Unit Testing........................................................................................... 19
Chapter 2. Installation and Setup ........................................................ 21
2.1. Setup .............................................................................................................. 21
2.1.1. Unpacking the Unit............................................................................................... 21
2.1.2. HI/LO Optic Power Switch.................................................................................... 21
2.1.3. Internal Control Switches ..................................................................................... 22
2.1.3.1. Carrier Detect (CD) Signal Options ................................................. 23
2.1.3.2. Internal Clock Option Switches........................................................ 24
2.1.3.3. TBL/NORM Switch........................................................................... 24
Contents