psf2115 ETC-unknow, psf2115 Datasheet - Page 121
psf2115
Manufacturer Part Number
psf2115
Description
Isdn Adapter Circuit Ipac
Manufacturer
ETC-unknow
Datasheet
1.PSF2115.pdf
(317 pages)
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PSB 2115
PSF 2115
Functional Description
Non-Terminal Mode / LT-T Mode
Outside the selected 4-byte subscriber channel, both DU and DD are inactive.
The reset value for the active channel can be selected by pin strapping (in LT-S and
LT-T modes by CH0-2), however after reset the host can reconfigure the active IOM-2
channel for layer 2 in ADF1:CSEL0-2. This reconfiguration is not valid for layer 1 and B-
channel HDLC.
The flow of data is similar as in TE mode except that there is only one active 4-byte
channel in LT modes compared to three channels in TE mode (see figure 57).
Figure 57
IOM-2 Data Ports DU/DD in LT-T Mode (MODE0=1, MODE1=1)
Semiconductor Group
121
11.97
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