參數(shù)資料
型號(hào)： TMPR28051
英文描述： TMPR28051 STS-1/AU-3 (STM-0) Mapper Device Advisory for Version 5 of the Device
中文描述： TMPR28051 STS-1/AU-3（的STM - 0）映射為版本的設(shè)備5設(shè)備咨詢
文件頁(yè)數(shù)： 62/90頁(yè)
文件大?。?/td> 1090K
代理商： TMPR28051
Data Sheet
August 1999
TMPR28051 STS-1/AU-3 (STM-0) Mapper
48
Lucent Technologies Inc.
Microprocessor Interface Description
(continued)
Register Architecture Description
(continued)
Table 16. Registers 0x17—0x32: DS1/E1 Insertion Selection
(continued)
Address
(Hex)
Bit #
Name
Function
Reset
Default
(Hex)
Value is
0.
0x2C—0x32
—
7
—
Registers 0x17—0x32 report DS1 conditions.
The DS1/E1AIS[1:21] and DS1AIS[22:28] bits report the
received DS1 AIS condition. When any of these bits is 1,
the corresponding DS1 input has an AIS condition. This
value represents the current received state. The AIS condi-
tion is not latched by these bits. The indication is reset
when the condition is no longer true.
The DS1/E1LOC[1:21] and DS1LOC[22:28] bits in bit 6
report the received DS1 loss of clock condition. When any
of these bits is 1, the corresponding DS1 input has a
received loss of clock condition. This value represents the
current received state. The loss of clock condition is not
latched by these bits. The indication is reset when the con-
dition is no longer true.
The DS1/E1LB[1:21] and DS1LB[22:28] bits in bit 5 are
used to force DS1 loopback from output to input. When any
of these bits is 1, the corresponding DS1 input is overwrit-
ten by the outgoing DS1 signal for that location.
DS1INS4_[22:28] The DS1/E1INS[4:0]_[1:21] and DS1INS[4:0]_[22:28] bits
in registers 0x17—0x32 are used to select the DS1 input
for the transmit VT1.5 slots. The DS1 selected corresponds
to the decimal value of the programmed 5 bits. If these bits
contain 00000, the device will insert unequipped into the
corresponding VT1.5 slot. If these bits contain 11101—
11110, the device will insert AIS-V into the corresponding
VT1.5 slot. Since the device defaults all 28 of these regis-
ters to the value 00000, all of the 28 VT1.5 slots begin
transmitting unequipped following reset. The value 11111
inserts the test pattern. Addresses 0x17—0x32 correspond
to VT1.5s as shown in Table 17, page 49.
DS1AIS[22:28]
6
DS1LOC[22:28]
5
DS1LB[22:28]
4
3
2
1
0
DS1INS3_[22:28]
DS1INS2_[22:28]
DS1INS1_[22:28]
DS1INS0_[22:28]
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