RIO Remote I/O System User Guide
Installing a Long Distance Module (LDM)
Page 181
Chapter 2 Installing hardware and software
7. At the host ca rd site, connect an LDU to a modem using the DB25 female flying lead on
the LDU via a DB25 female to male adaptor as shown in the nex t picture.
8. At the remote site, rep eat step 7. to connect the LDU and so forth.
9. At both the host c ard and remote sites, connect each LDU to any free Link socket on the
associated RTA using the RIO Link flying lead.
10.At each site, ensure the modems are connected to the required telephone line.
11.When the Host Card and RTAs at each end of the LDM connection are powered up,
check that the Power LED on each LDU is green (see page 178).
Leased line
Modem at
host card
site
Modem
at
remote
site
DB25 female to male
converter (page 187). DB25 female to male
converter (page 187).
DB25 female flying lead
to remote site LDU
DB25 female flying lead
from host card site LDU