CHAPTER 2. OfficeServ 7400 Hardware
2-8
© Samsung Business Communications
Table 2.5 Front Panel of MP40 Module (Continued)
Ports and LEDs
Functions
RUN LED
Status of MP40 operation
- Off: No power
- On (Green): Booting
- Blink (Green): Normal Operation
(The blink cycle is 500 ms while running software)
LAN LED
Status of LAN operation
- Off: No power and no connection of LAN port
- On: The colour of the LED shows the LAN transmission speed and connec-
tion speed.
•
On (Green): Good conn Operation at 100 Mbps
- Blink
(Green): Good conn Operation at 10
Mbps
SM LED
Smart Media Access Status
- Off: No Smart Media
- On: The colour of the LED shows the installed status and operational status
after access.
•
On (Green): Installed and normal operation
•
On (Red): Not installed, or installed but operating abnormally
- Blink
(Green): Smart Media is installed and in access mode.
MOD LED
The installed status and operational status of the Modem
- Off: No MODEM installed
- On (Green): MODEM installed
- Blink
(Green): Transmitting data
2.3.1.2 LP40 (Sub-Control Module)
LP40 is mounted in slot 0 of the basic and expansion chassis. LP40 manages subscriber
modules and terminals, under the overall control of the MP40, and transfers various event
signals generated in these modules and terminals to the MP 40.
Three optional modules can be mounted on the LP40 module. The functions of the optional
modules are DTMF, R2, CID, Conference and MISC.
Main Functions
The LP40 module provides the following functions:
y
Provides LAN Interfaces (Testing Port)
y
Provides testing ports for Universal Asynchronous Receiver and Transmitter (UART)
y
Conference, caller information, multi-frequency detecting and door phone control
y
Internal/external Music On Hold (MOH) and Loud/Common Bell
