參數(shù)資料
型號(hào): DS3160
元件分類: 通信及網(wǎng)絡(luò)
英文描述: Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0
中文描述: Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0
文件頁(yè)數(shù): 44/107頁(yè)
文件大?。?/td> 592K
代理商: DS3160
DS3160
44 of 107
5.2 Framer Control Register Description
Register Name:
Register Description:
Register Address:
CR1
Control Register 1
0Ah
Bit #
Name
Default
7
6
5
4
3
2
1
0
TRAILOF
0
TRAILOS
0
TRAI
0
TSLOT1
0
TSLOT0
0
TPT
0
SIGPASS
0
PLB
0
Bit #
Name
Default
15
14
13
N/A
0
12
N/A
0
11
N/A
0
10
9
8
AREFRM
0
REFRM
0
CRC5FM
0
ECC
0
FECC
0
Note:
Bits that are underlined are read-only; all other bits are read-write.
Bit 0/Payload Loopback Enable (PLB).
See Figures 1A and 1B for a visual description of this
loopback.
0 = disable loopback
1 = enable loopback
Bit 1/TS97 and TS98 Signaling Pass Through Enable (SIGPASS).
Setting the SIGPASS bit allows the
signaling bits contained in timeslots 97 and 98 on the FTD stream to pass transparently through the
transmit formatter. When SIGPASS is a logic 0, timeslots 97 and 98 are sourced from the transmit TS97
and TS98 signaling insertion register (TXTS9798).
Bit 2/Transmit Pass Through Enable (TPT).
0 = enable the formatter to insert framing and overhead bits
1 = formatter does not insert any framing or overhead bits
Bits 3 and 4/Timeslot Select Bits 0 and 1 (TSLOT0 and TSLOT1).
These bits are used to determine
what timeslots are considered active by the signals FRDEN and FTDEN.
TSLOT1
0
0
1
1
TSLOT0
0
1
0
1
TIMESLOTS SELECTED
6Mbps (TS1–TS96)
4.5Mbps (TS1–TS72)
3Mbps (TS1–TS48)
1.5Mbps (TS1–TS24)
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