RIO Remote I/O System User Guide
Page 13
Installing a Long Distance Module (LDM) .................................................. 177
Introduction ...............................................................................................177
Long Distance Unit main components......................................................178
Installation.................................................................................................179
General procedure ........................................................................................179
Installing a long distance LDM link via Modem and leased line .................... 180
Long wire installation .....................................................................................182
X.21 Installation . ........................................................ .................................... 183
LDM Cabling information ..........................................................................184
LDU flying lead connector pinouts............................................................184
Cable diagram .................................................. ............................................. 184
Mini DIN on RIO link flying lead ....................................................................184
DB25 female on flying lead ...........................................................................185
Adaptor pinouts for LDU flying lead connectors........................................186
Asynchronous Long-wire Connection (DB25 male to DB25 male) ................186
Asynchronous/Synchronous Modem & X21bis (DB25 female to DB25 male) 187
Synchronous X.21 connection ....................................................................... 188
Installing a fault tolerant link ......................................... ................................189Installing a dual host fail-safe link (UNIX only) .......... ................................190
Installing a dual host failsafe link under Solaris........................................191
Installing for normal operation .......................................................................191
Transferring control to the slave system ............................................ ............194
Installing a dual host failsafe link under SCO OpenServer.......................195
Installing for normal operation .......................................................................195
Transferring control to the slave system ............................................ ............196
Installing a dual host failsafe link under SCO UnixWare...........................197
Installing for normal operation .......................................................................197
Transferring control to the slave system ............................................ ............198