OfficeServ 7400
INSTALLATION
TECHNICAL MANUAL
PART 3 MAY 2010
3.22
FRONT VIEW OF TEPRIa BOARD
The front view of the TEPRIa board is shown in the picture below.
Figure 3.19 Front View of the TEPRIa
Table 3.7 Front Panel Components of the TEPRIa
Ports & LEDs
Function Description
P1
Port for connecting T1/E1/PRI cables
LAN
Port for connecting to Ethernet (reserved for future use)
SIO
Serial port for internal Samsung engineering use only.
TP1 LED
Indicates the type of the circuit connected to port P1.
- On: PRI in operation
- Off: T1/E1 in operation
L21 LED
This LED indicates the operation status of Layer 2.
- On: The PRI Layer 2 is operating properly. PRI message is being received.
- Off: The PRI Layer 2 is operating abnormally.
AIS1 LED
This LED indicates whether the T1/E1 remote alarm has been generated.
- On: The remote alarm has been generated. All ones are being received (Error).
- Off: The remote alarm has not been generated (Normal).
LOS1 LED
This LED indicates loss of signal.
- On: Signals have been lost, no PCM clocking is being received.
- Off: Signals being received (Normal).
SYN1 LED
Clock synchronization.
- On: Indicates loss of framing (Error Condition).
- Off: Clocks are synchronized when they inter-work with the counterpart station (Normal).
RUN LED
- On (Green): When T1 operates in normal (Blink in the cycle of 200ms)
- On (Orange): When E1 operates in normal (Blink in the cycle of 200ms)
CLK LED
This LED indicates whether this board is a master or slave.
- On: The board has received the synchronization clock from the counterpart station.
- Off: Using synchronous clock for internal clock.
RST button
Card Reset button
UNUSED
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