Data Connect DSP19.2, Руководство пользователя

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Contents
v User’s Manual - DSP19.2 Fast Poll Modem
Figures
Figure 1-1. Point-to-Point Network Using the DSP19.2FP Modem......................................... 8
Figure 1-2. Multipoint Polling Network Using the DSP19.2FP Modem ................................... 8
Figure 2-1. Front View of the DSP19.2 Modem .................................................................... 10
Figure 2-2. Back View of DSP19.2 Modem........................................................................... 10
Figure 2-3. Rack-Mount Module for the DSP19.2-RM Modem Board................................... 11
Figure 2-4. DSP19.2 Fast-Poll Stand-alone Modem Board .................................................. 13
Figure 2-5. DSP19.2 Fast-Poll Rack-mount Modem Board .................................................. 13
Figure 2-6. DSP19.2 Modem Transmission Line Interface ................................................... 20
Figure 2-7. Pin Locations on the Modem’s RJ-11C Jack ...................................................... 22
Figure 2-8. Loopback Diagnostic Modes............................................................................... 24
Figure 2-9. Back-to-Back Connection to a Second Modem .................................................. 27
Tables
Table 2-1. Modem Switch Settings ....................................................................................... 14
Table 2-2. Modem Operating Speed..................................................................................... 15
Table 2-3. Transmit Levels.................................................................................................... 17
Table 2-4. Transmission Line Connector Pin Assignments .................................................. 20
Table 2-5. RJ-11C Modular Jack Pin Assignments............................................................... 22
Table 2-6. Modem LEDs ....................................................................................................... 23
Table A-1 Problem Solving .................................................................................................. 25
Table B-1. Leased Line Terminal Block Pin Assignments .................................................... 27
Table B-2. RS-232 (DTE) Interface....................................................................................... 28
Table B-2. RS-485 (DTE) Interface....................................................................................... 28