iPECS eMG800
Hardware Description and Installation Manual
Issue 1.8
44
4.3.4.1
Switch and LED Functions
Table 4.3.4.1-1 Switch Functions
SWITCH
FUNCTION
REMARK
SW1
Mode select (OFF = PRI, ON = T1)
Default: PRI mode
SW3
Reset switch
SW4-1
Not used
SW4-2
Not used
SW4-3
Not used
SW4-4
Not used
Table 4.3.4.1-2 LED Indication
LED
FUNCTION
REMARK
PLL
PLL Synchronization
Red LED
ON = Error
OFF = Normal)
RDE
Red Alarm Indication)
AIS
Alarm Indication Signal/Blue Alarm
YAI
Yellow Alarm Indication
MFE
Multi-frame Establish Alarm
OOF
Out of Frame
ACT
Activity Indication
Blue (Blink)
IN USE
Indication of channel use
Blue LED
ON: Channels in use,
OFF: All channels idle
4.3.4.2
T1-PRIB Installation
Before inserting the T1-PRIB, set SW1 and SW4 Dip switches to match the Telco provided service.
Note that the PRIB supports ESF (Extended Super Frame) framing and B8ZS (Binary 8 Zero Substitution) line
coding only.
The T1-PRIB board can be installed in any universal slot of any KSU; the 1st slot of the BKSU is for the MPB
only.
1)
Assure Power is OFF.
2)
Slide the PRIB in the guide rails of the desired slot.
3)
Tighten thumbscrews to hold the board firmly in place.
4.3.4.3
T1-PRIB Wiring
The T1-PRIB Transmit and Receive pairs are terminated in the PRI/T1 RJ45 connector. A single RJ45 is
provided for the digital line interface.
Before wiring the PRIB, the Ferrite core provided with the T1-PRIB must be installed to reduce EMI (Elector-
Magnetic Interference). To install the Ferrite core,
1)
Open the core.
