Samsung OfficeServ 7400 General Description Manual page 29

CHAPTER 2. OfficeServ 7400 Hardware
Ports and LEDs
RUN LED
LAN LED
SM LED
MOD LED
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:
Provides LAN Interfaces (Testing Port)
Provides testing ports for Universal Asynchronous Receiver and Transmitter (UART)
Conference, caller information, multi-frequency detecting and door phone control
Internal/external Music On Hold (MOH) and Loud/Common Bell
2-8
Table 2.5 Front Panel of MP40 Module (Continued)
Status of MP40 operation
- Off: No power
- On (Green): Booting
- Blink (Green): Normal Operation
(The blink cycle is 500 ms while running software)
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 connection + Operation at 100 Mbps
- Blink (Green): Good connection + Operation at 10 Mbps
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.
The installed status and operational status of the Modem
- Off: No MODEM installed
- On (Green): MODEM installed
- Blink (Green): Transmitting data
Functions
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