Panasonic KX-T336 System Reference Manual page 48

27.00 E-1 Digital Trunk Card
Functions
E-1 interface.(1 circuit / card)
E-1 is a digital transmission link with a capacity of
2.048Mbps.
An E-1 card carries 30 voice conversations.
Frame Format : PCM30 / PCM30-CRC
Line Coding : HDB3 / AMI
Channel Type : DR2 / E&M-C /E&M-P
Signaling : DP / DTMF / MFC-R2
(DTMF:8 receivers and 2 generators)
(MFC-R2:16 receivers and 16 generators)
Operation
RED LED indicator on E-1 card lights when the
system reset or E-1 card local reset, E-1 line fault
occurs.
1-E-14
(70695)