VISTEK V1679, Руководство пользователя, Страница: 2 / 31

VISTEK V1679 single-mode fibre
data transceiver
2 Issue 1
Contents
1. GENERAL.................................................................................................................. 5
2. GENERAL PURPOSE OUTPUTS ............................................................................. 6
2.1 Description ....................................................................................................... 6
2.2 Configuration ................................................................................................... 6
2.3 Output Specification........................................................................................ 7
3. GENERAL PURPOSE INPUTS ................................................................................. 8
3.1 Description ....................................................................................................... 8
3.2 Configuration ................................................................................................... 8
3.3 Examples for Driving V1679 GPI Inputs....................................................... 10
3.3.1 Push Button or Relay Driven Switch.................................................... 10
3.3.2 N-Channel MOSFET Switch................................................................ 11
3.3.3 Open Collector Output ........................................................................ 12
3.3.4 CMOS Output...................................................................................... 13
3.4 Input Specification......................................................................................... 14
4. SERIAL COMMUNICATION PORTS ....................................................................... 15
4.1 Description ..................................................................................................... 15
4.2 Configuration Options ................................................................................... 16
4.2.1 RS-232/422 Mode Selection Jumper .................................................. 17
4.2.2 Slew-rate Selection Jumper (Slow/Fast) ............................................. 17
4.2.3 Line Termination Jumper (RS-422 Only)............................................. 17
4.3 RS-232/422 Examples .................................................................................... 18
5. REAR PANEL CONNECTIONS............................................................................... 21
5.1 Silkscreen Legend and Markings ................................................................. 21
5.2 Electrical Interfaces ....................................................................................... 22
5.3 V1679 Breakout Adapter................................................................................ 23
5.3.1 Serial Communications Ports .............................................................. 23
5.3.2 GPIO Terminals .................................................................................. 24
5.3.3 Power Supply Output .......................................................................... 24
5.4 Optical Interfaces........................................................................................... 24
5.4.1 Optical Input ........................................................................................ 24
5.4.2 Optical Output ..................................................................................... 25
5.4.3 Encoding Scheme and Data Rate ....................................................... 25
6. FRONT PANEL LED INDICATORS......................................................................... 26
6.1.1 Remote Control Access and Power Indicators.................................... 26
6.1.2 Carrier / Lock / Laser Fail Indicators ................................................... 27
6.1.3 Serial Comms Activity Indicators......................................................... 27