User manual

7
2270 Fiber Optic Modem
List of Tables
Table Page
1-A Available Modem Controls ............................................................................................................. 8
1-B Guaranteed Loss Budgets .............................................................................................................10
1-C 2270 Switch Functions..................................................................................................................14
1-D 2270 Jumper Functions ................................................................................................................15
2-A Operating Mode Selections ...........................................................................................................19
2-B Data Rate Switch Position vs. Oscillator Part Number ................................................................21
3-A RS-232C/423 Signals and Pin Assignments ...............................................................................24
3-B Available Models of RS-449/422 Interfaces .................................................................................24
3-C RS-449 (RS-422) Signals and Pin Assignments ..........................................................................25
3-D RS-530 Signals and Pin Assignments..........................................................................................26
3-E RS-530 Jumper Options ...............................................................................................................27
3-F Transparent Bipolar Line Interfaces ............................................................................................28
3-G Line Build Out Settings ................................................................................................................29
3-H CCITT V.35 Digital Interface and Pin Assignments ....................................................................31
3-I Delay Times for Programmable Buffered Interface .....................................................................34
3-J Strap Configurations for Programmable Buffered Interface .......................................................35
3-K TwinAx and BNC Supported Signals ............................................................................................42
3-L Model Characteristics ..................................................................................................................42
3-M Jumper Strap Options ...................................................................................................................43
3-N Models D22 and D88 Connector Pin Assignments ......................................................................45
5-A Loopback Options ..........................................................................................................................52