iPECS eMG80
Hardware Description and Installation Manual Issue 1.3
42
4.7.1 CH204 (2 CO Line and 4 Hybrid Interface Board)
The CH204 board has two (2) CO line and four (4) Hybrid (DKT & SLT) interface ports. The
board may be installed on the CN1 connector of the KSU or EKSU. The MG-CMU4
daughter board may be mounted on the CH204 to provide Call Metering. The CMU4 is
mounted on connectors CN790 and CN791 as shown in
Description
Figure 4.7.1-1 below.
The board is provided with two Standoffs that must be installed prior to mounting the board.
To install the board in the KSU, refer to Section 4.4.
Figure 4.7.1-1 CH204
The following chart indicates the connectors and modular jacks equipped on the CH204.
Connector and Modular jack
Table 4.7.1-1 Connector and Modular Jack Function
CN1 Pass through to second Interface board 70 pins
CN2 Connection to CN1 connector of MBU 70 pins
CN3 CPLD JTAG for development 10 pins
CN790 & CN791 MG-CMU4 Installation 8 pins/10 pins
MJ1 1 & 2 CO line RJ45
MJ2 4 Hybrid DKT or SLT ports RJ11
Table 4.7.1-2 CH204 LED Indications
LED Indications
LD1 Blue Station port in use status
ON – A station port is in use
OFF – All station ports are idle