Because RFL™ and Hubbell® have a policy of continuous product improvement, we reserve the right to change designs and specifications without notice.
INSTALLATION
Before the RFL DA-91I can be placed in service, it must be installed in a multiplexer shelf. Installation
involves determining the module slot in the Main Shelf or Expansion Shelf where the module will be
installed, inserting a Module Adapter into the rear of the shelf behind the module slot, connecting all
signal and power wiring to the Module Adapter, checking the settings of all switches, and inserting the
module into the front of the shelf.
NOTES
Power supply and time slot considerations may affect the installation of this module into an
existing multiplexer shelf. Refer to the multiplexer manual for more information.
The following instructions are provided for installing an RFL DA-91I module into an existing system.
If the module was included as part of a system, installation was done at the factory. Otherwise, proceed
as follows:
1. Carefully inspect the module for any visible signs of shipping damage. If you suspect damage
to the module, immediately call RFL Customer Service at the number listed at the bottom of
this page.
2. Determine the module slot in the Main Shelf or Expansion Shelf where the module will be
installed.
RFL DA-91I module occupies one module slot in the Main Shelf or Expansion
Shelf.
3. Insert a Module Adapter into the rear of the shelf directly behind the module slot where the
RFL DA-91I will be installed.
Each RFL DA-91I module requires an MA-402I Module Adapter as shown in
Figure 1. This module adapter has two 9-pin D-subminiature (DC-9S) connectors
on its rear panel. Each of these 9-pin connectors is wired in a standard RS-232
configuration as shown in Table 1. Each connector is labeled to show the
corresponding channel on the RFL DA-91I.
4. Using Table 1 as a guide, connect all signal wiring to the MA-402I Module Adapter.
5. Refer to Figure 2 and Table 2 for the location of DIP switches on the DA-91I module.
RFL DA-91I RFL Electronics Inc.
March 6, 2002 3 (973)
334-3100
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