KX-NS5290CE - Panasonic PBX Service Manual (repair manual). Page 5

5

PRI BLOCK

PRI30/E1 I/F

NUMBER OF PORT

PRI30/E1 : 30 PORTS

Transfer rate

PRI30/E1 : 2.048Mbit/s

Line code

PRI30/E1 : HDB3

Framing

PRI30/E1 : CRC-Multiframe or SMF(Sub Multiframe)

PRI FRAMER IC

Lantiq PEF2256H VER.2.2

DPLL

Build-in IC

Line i/f circuit

Main frontend parts

 Pulse trans

 Surge protector

 EMC filter

 Termination : 120



 RJ45 connecter

Line SYNC

Line SYNC clock Freq. : 2.048MHz

CNG Detection

Channel

2ch

device

DSPG DE56K

DTMF Receiver/Generator
 (In-band Signaling Function)

Channel

30ch

Level
MFC-R2 

DTMF

Output : Programmable and variable in the range of -31 to 0dB
Detection : Programmable and variable in the range of -38 to 0dB
Output : Programmable and variable in the range of -12 to +3dB
Detection : Programmable and variable in the range of -42 to 0dB

device

TI TMS320VC540

LED

Line Status Display LED : 1

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