参数资料
型号: IP178CH
厂商: Electronic Theatre Controls, Inc.
英文描述: 8 Port 10/100 Ethernet Integrated Switch
中文描述: 8端口10/100以太网集成开关
文件页数: 30/91页
文件大小: 1244K
代理商: IP178CH
IP178C
Preliminary Data Sheet
2.1
Copyright
2004, IC Plus Corp.
30/91
October 27, 2005
IP178C-DS-R09
Flow control
IP178C jams or pauses a port, which causes output queue over the threshold. Its link partner will defer
transmission after detecting the jam or pause frame. A port of IP178C defers transmission when it
receives a jam or a pause frame.
When CoS is enabled, IP178C may disable the flow control function for a short term to guarantee the
bandwidth of high priority packets. A port disables its flow control function for 2 ~ 3 seconds when it
receives a high priority packet. It doesn’t transmit pause frame or jam pattern during the period but it still
responses to pause frame or jam pattern.
The flow control function can be enabled by pulling up pin 75 X_EN or by programming MII register
30.1.10.
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