User manual

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4.6 SHDTU03b-31T
4.6.1. SHDTU03b-31T -- E1 Interface mode
Interface
E1 Serial Ethernet E1+Serial E1+Ethernet
T1 T1+Serial T1+Ethernet
NTU
Type STU-R STU-C-INTCLK STU-C-EXTCLK
Annex A B F G
PSD SYM ASYM
SNR Margin (-10~21)
SHDSL
Pair Mode 1 Pair 2 pair (For SHDTU03bA-31T only)
Channel CM31 PCM31C PCM30 PCM30C Unframed
Pass Through Off On
Slot Number
First Slot
Code HDB3 AMI
AIS Off On
E1
Build Outs 75 Ohm 120 Ohm
When SHDSL.bis using 2-pairs(4-wires), the E1 time slot number can only use even number
When E1 framer is PCM31C and PCM30C and set pass through ON, no fractional function can be use.