iPECS iPECS-MG - Main Processing Board 100;300 (MPB100;MPB300); Modular Jack (MJ1, MJ3); MJ1 Pin Assignment

iPECS-MG Quick Start Guide
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3.2 Main Processing Board 100/300 (MPB100/MPB300)
The Main Processor Board controls communication between the peripheral Board, supervises all resources in the
system, controls the gain adjustment of the PCM signal, generates the System tones, and manages System call
processing (MPB300 is shown as an example in Figure 3.2.1).
MPB100/MPB300 must be installed on the MPB slot of the 1
st
KSU.
Figure 3.2.1 MPB300
3.2.1 Modular Jack (MJ1, MJ3)
3.2.1.1 MJ1 Pin Assignment
LAN port
CONNECTOR
PIN NUMBER
NO.
SIGNAL NAME
FUNCTION
RJ45
4,5,7,8
Reserved
1
TX+
Transmit Data
2
TX-
Transmit Data
3
RX-
Receive Data
6
RX+
Receive Data
PC
CONNECTOR
PIN NUMBER
NO.
SIGNAL NAME
FUNCTION
RJ45
4,5,7,8
Reserved
1
RX-
Receive Data
2
RX+
Receive Data
3
TX+
Transmit Data
6
TX-
Transmit Data