EFM User Manual - CTC Union Technologies Co.,Ltd.

3.5.1.1 Line Type
Line type indicates how many wires you want to use for the SHDSL.bis connection.
Line Type
EFM Modem
2-wire 4-wire 8-wire
2-wire model ●
4-wire model ● ●
8-wire model ● ● ●
For example, 8-wire model can select 2-wire, 4-wire or 8-wire line type.
3.5.1.2 Annex Type
There are two Annex types: Annex AF and Annex BG in SHDSL.bis . Check with your ISP if you
are connecting a CPE to their DSLAM. Annex type must match between CO and CPE devices.
3.5.1.3 TCPAM Type
The default option is Auto. You may assign the different type manually by click the caption
TPCAM-16 or TPCAM-32 .
3.5.1.4 Main Rate
You can setup the SHDSL.bis main rate is in the multiple of 64kbps , 128kpbs or 256 kpbs
according using which model.
Main Rate (Unit: kbps)
SHDSL.bis
TCPAM-16 TCPAM-32
multiple
EFM Modem
N=3~60 N=12~89
2-wire model 64 192 ~ 3840 768 ~ 5696
4-wire model 128 384 ~ 7680 1536 ~ 11392
8-wire model 256 768 ~ 15360 3072 ~ 22784
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