参数资料
型号: PEF22554HT
厂商: INFINEON TECHNOLOGIES AG
元件分类: 通信及网络
英文描述: Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0
中文描述: Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0
文件页数: 14/30页
文件大小: 914K
代理商: PEF22554HT
QuadFALC
PEF 22554
Overview
Delta Sheet
14/30
2002-09-16
1.9
Operation Description E1/T1/J1
Note: Write access to unused register addresses: should be avoided, or set to “00” hex
in address range. up to xA9; must be avoided in address range above xA9 if not
defined elsewhere (for example in
Table 4
).
To achieve optimum receiver sensitivity in E1 long haul mode (> 38 dB) the following
sequence must be run:
Table 4
Receive Line Interface Initialization (E1)
Address
BB
H
BC
H
BB
H
BB
H
BC
H
BB
H
BB
H
BC
H
BB
H
BB
H
BC
H
BB
H
Note: Sequence must be repeated whenever receiver reset (CMDR.RRES) of arbitrary
channel was performed (e.g. after setting bit LIM1.EQON).
Data
17
H
55
H
97
H
11
H
AA
H
91
H
12
H
55
H
92
H
0C
H
00
H
8C
H
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