Inputs
Power
Consumption  4.75 watts, typical

Standard RS232 serial communications

Data Rate  38.4 k baud.

Standards  RS232/RS422 serial
communications
Internal modem communications

Data Rate

38.4 k baud maximum,serial
communications
14.4 k baud, internal modem
communications.

Modem I/O
ModuleOperating
Temperature:Storage
Temperature:
Humidity: -40 °C to +85 °C (-40 °F to +185°F).
0 °C to +50 °C (+32 °F to +122 °F). -40 °C to +85 °C (-40 °F to +185

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Description
The Rack Interface Module (RIM) is the primary interface to the 3500 rack. It
supports a proprietary protocol used to configure the rack and retrieve
machinery information. The RIM must be located in slot 1 of the rack (next to the
power supplies).
The RIM supports compatible Bently Nevada external communications
processors such as TDXnet, TDIX, and DDIX. While the RIM provides certain
functions common to the entire rack, the RIM is not part of the critical monitoring
path and has no effect on the proper, normal operation of the overall monitoring
system. One RIM is required per rack.
For Triple Modular Redundant (TMR) applications, the 3500 System requires a
TMR version of the RIM. In addition to all the standard RIM functions, the TMR RIM
also performs “monitor channel comparison.” The 3500 TMR configuration
implements monitor voting using the setup specified in the monitor options.
Using this method, the TMR RIM continually compares the outputs from three (3)
redundant monitors. If the TMR RIM detects that the information from one of
those monitors is no longer within a configured percentof the information of the
other two monitors, it will flag that the monitor is in error and place an event in
the System Event List.

Spares
125744-02
Standard Rack Interface Module
125744-01
TMR Rack Interface Module
135031-01
RIM I/O Module with Modem
Interface
125768-01
RIM I/O Module with RS232/RS422
Interface
125760-01
Data Manager I/O Module
04425545
Grounding Wrist Strap (single use)
00801286
Real-Time Clock IC
128755-01
Firmware IC (for PWA 125744-01
Rev P or later, or for PWA 125744
02 Rev N or later)
00580441
Connector Header, Internal
Termination, 3-position, Green
00580436
Connector Header, Internal
Termination, 6-position, Green
129768-01
RIM Operation and Maintenance
Manual