Lgcm8 Installation - LG-Nortel ipecs Installation Manual

IPECS Release 5
Hardware Description & Installation
4.5.5

LGCM8 Installation

The LGCM8 may be installed anywhere except for slot 10 of the cabinet, or may be installed
anywhere in the Desk Mount Holder. The LGCM8 provides a gateway between standard PSTN
Loop Start Lines and other iPECS appliances. The LGCM8 can support eight (8) PSTN Lines.
LEDs
In addition to the Power and LAN LEDs, the LGCM8 has eight (8) green status LEDs and two (2)
red LEDs. The eight (8) LEDs indicate that the individual PSTN Lines are busy (LED On), idle (LED
Off) or ringing (LED flashing). One (1) red LED on left side indicates whether the CMU4 option
st th
module for the 1 ~4
indicates whether the CMU4 option module for the 5
On.
CMU (Call Metering Unit)
The LGCM4 supports the call metering function with installation of an optional CMU4 module.
Three types of module, based on protocol, are available CMU4-12PR, CMU4-16 and CMU4-50PR;
see section 2.1.3.2. Before installing the CMU4 module, make sure that power is turned off.
Figure 4.5.5-1 shows the procedure for installing a CMU4 module on the LGCM8. Check the
connector numbers of the CMU4 module prior to installation. Note that the connector numbers for
the CMU4-12PR and 16 are the same while for the CMU4-50PR, the connector numbers are
reversed.
1st ~ 4th port
5th ~ 8th port
port is installed. If installed, the LED is On. One (1) red LED on right side
CMU4-12PR & CMU4-16
Port No LGCM4
CN6
CN7
CN8
CN9
th th
~8 port is installed. If installed, the LED is
CMU4-12PR & 16
CN1
CN2
CN1
CN2
77
Issue 5.0