Icmb Connector; Figure 20 Icmb Connector Pinout - Motorola ACC/RTB-735R2 Installation Manual

Front Panel Connectors and Controls
Caution

ICMB Connector

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The RTB provides several RJ-45 connectors which commonly serve as
different interfaces (RS-485, twisted pair Ethernet and telephone). Con-
necting different interfaces (e.g. Ethernet and RS-485) may damage the
board. Therefore, make sure that you only connect matching interfaces.
Furthermore, take note of the following:
• Clearly mark TPE connectors near your working area as network con-
nectors.
• Connect TPE bushing of the system to safety extra low voltages
(SELV) circuits only.
• Make sure that the length of the electric cable connected to a TPE
bushing does not exceed 100 meter.
The ICMB connector can be used to attach the PENT/CPCI-735R2/736R2
via the RTB to other systems based on the Intelligent Platform Management
Interface (IPMI). In order to monitor the overall system, the chassis can be
connected via the CPU board's RTBs. The IPMI signals are routed from the
CPU board via the backplane to the RTB and are then available on the
ICMB connector.
The ICMB bus needs to be connected via a multi-drop cable or via star to-
pology.
The following figure shows how the pins are assigned.
Figure 20: ICMB Connector Pinout
Installation
ACC/RTB-735R2/736R2