psb21391 Infineon Technologies Corporation, psb21391 Datasheet - Page 84

• Manufacturer Part Number: psb21391
• Description: Siemens Codec With Upn Transceiver
• Manufacturer: Infineon Technologies Corporation

Data Sheet
2.3.5.1.3 C/I Commands
Command (Upstream)
Timing
Reset
Send Single Pulses
Send Continuous Pulses
Activate Request
Activate Request Loop 3
Deactivation Indication
2.3.5.1.4 Receive Infos on U
Name
Info 0
Info 2
Info 4
Info X
Note:
1)
2)
The M-channel superframe is as follows:
S-bits transparent
T-bits set to ’1’
CV generated (see figure 37)
DC-balancing bit
Abbr. Description
i0
i2
i4
ix
No signal on the line
4-kHz burst signal
F000100010001000100010101010001011111M
Code violation in the framing bit
4-kHz burst signal
No code violation in the framing bit
User data in B-, D- and M-channels
B-channels scrambled, DC-bit
Any signal except info 2 or info 4
Abbr. Code Remarks
TIM
RES
SSP
SCP
AR
ARL
Dl
PN
(Downstream)
0001 Statemachine reset
1111
0000 Layer-2 device requires clocks to be
0010 AMI coded pulses transmitted at 4 kHz
0011 AMI coded pulses transmitted
1000
1001 Local analog loop
74
activated
continuously
2)
optional
1)
DC
2)
PSB 21391
PSB 21393
Interfaces
2001-03-07