PEB2045-N SIEMENS [Siemens Semiconductor Group], PEB2045-N Datasheet - Page 39
![no-image](/images/no-image-200.jpg)
PEB2045-N
Manufacturer Part Number
PEB2045-N
Description
Memory Time Switch CMOS (MTSC)
Manufacturer
SIEMENS [Siemens Semiconductor Group]
Datasheet
1.PEB2045-N.pdf
(53 pages)
- Current page: 39 of 53
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The pulse shape factor N may take any integer value from 0 to 255.
Space Switch Mode
Table 15
Time-Slot and Line Programming for Space Switch Mode
Space switch mode
8-Mbit/s input lines
8-Mbit/s output lines
N is fixed to 70. The selection of one specific input time-slot is possible by writing the connection
memory (CM) as shown below.
Table 16
Programming Input and Output Lines and Time-Slots in Space Switch Mode
In CM address 00 – 3F: D8 – D4 (SM addr.)
In CM address 40 – 7F: D8 – D4 (SM addr.)
In CM address 80 – BF: D8 – D4 (SM addr.)
In CM address C0 – FF: D8 – D4 (SM addr.)
In space switch mode the leading edge of the SP pulse must be applied with the first bit of time-slot
125. The input and output time-slot number must match.
Semiconductor Group
(MI1 = 1, MI0 = 1; MO1 = 0, MO0 = 1)
Bit
Bit
Bit
Bit
Bit
D0
D4
D9
IA0
IA1 to
39
to
to
D3
D8
IA7
=
=
=
=
Logical line number
The lower 5 bits of the time-
slot number
Validity bit
Logical line number
Time-slot number
TS0
TS32 – TS63
TS6
TS96 – TS127
– TS3
– TS95
PEB 2045
PEF 2045
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