CANOGA PERKINS 2240 Fiber Optic Modem - Manual (Page 5)

2240 Fiber Optic Modem
5
Table of Contents
1. Description ......................................................11
1.1 2240 Modem ................................................................ 11
1.1.1 Functions, LEDs and Switches ............................................. 12
1.2 2201 Rack Chassis ......................................................13
1.3 2202 Modem Shelf ......................................................13
1.
4 Modem Operation ......................................................14
1.4.1 General .................................................................................. 14
1.4.2 System Test and Diagnostics ................................................ 16
1.4.3 Transmit Section .................................................................... 16
1.4.4 Receive Section ..................................................................... 17
1.4.5 Expanded Interface Control Channels .................................. 17
1.4.6 Expanded Interface Auxiliary Channels ................................ 17
1.4.7 Fiber Optics ........................................................................... 18
1. 5 Loss Budget .................................................................18
1. 6 Initial Unit Testing ......................................................18
2. Installation and Setup .................................... 19
2.1 Installation ..................................................................19
2.1.1 Unpacking the Unit ............................................................... 19
2.1.2 Standalone Modem Installation ............................................. 19
2.1.3 Rack-Mount Modem Installation ........................................... 20
2.1.4 Fiber Cable and Connectors .................................................. 20
2.1.5 2202 Modem Shelf Installation .............................................. 21
2.1.6 Custom Oscillator Installation ................................................ 21
2.2 Setup ............................................................................22
2.2.1 HI / LO Optic Power Switch ................................................ 22
2.2.2 Internal Control Switches ...................................................... 24
2.2.2.1 Carrier Detect (CD) Signal Options................................... 24
2.2.2.2 Internal Clock Option Switches .......................................... 25
2.2.2.2.1 TBL / NORM Switch ...................................................... 25
2.2.2.2.2 CLK / EXT Switch ......................................................... 25
2.2.3 Signal Ground Strap ............................................................... 26
2.2.4 SCT Normal / Invert Jumper ................................................ 26
2.2.5 EXTRA CLOCK Jumper ...................................................... 27