參數(shù)資料
型號: IBM3209K3114
廠商: IBM Microeletronics
英文描述: IBM Packet Routing Switch Serial Interface Converter(IBM封裝路線選擇開關(guān)串行接口轉(zhuǎn)換器)
中文描述: IBM的分組路由交換機(jī)串行接口轉(zhuǎn)換器(IBM的封裝路線選擇開關(guān)串行接口轉(zhuǎn)換器)
文件頁數(shù): 43/152頁
文件大小: 2390K
代理商: IBM3209K3114
IBM3209K3114
Advance
IBM Packet Routing Switch Serial Interface Converter
prssi.01
July 12, 2000
Functional Description
Page 33 of 142
Perform the following operational sequence to execute the switch loopback (starting from operational mode):
1. Set the converter in OBFC mode.
2. Force X or Y switch plane in service or let the switch control decide which switch plane is in service.
3. Set the switch loopback bit corresponding to the plane to be set in loopback.
4. Initiate the traffic from the switch control.
The data transfer must have been stopped for long enough and in such a way that all buffers are empty
before the loopback is initiated. If the buffers are not empty, reset the path on which the loopback is to be
performed. To execute the loopback, the converter must be set in OBFC mode to avoid modifying the packet
qualifier byte.
Figure 20: Switch X Loopback
Switch Control
Protocol
Engine
DASL
IBM Packet Routing Switch Serial Interface Converter
X/Y
X/Y
Y
Y
X
X
Egress
Ingress
DASL
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