iSG4F
User’s Manual
iS5 Communications Inc.
83
The customer equipment #1 (CE1) is a serial master sending data to a serial slave CE2. For
simplicity purposes, the diagram and explanations refer to unidirectional traffic from CE1 to
CE2.
19.6
Serial Traffic Direction
Transmit direction represents the serial-processor traffic towards the CE, over the serial port.
Receive direction represents the traffic received at the serial-processor from the CE, over the
serial port.
19.6.1
Serial ports counters
The Tx and Rx counters of the serial ports are controlled by the serial-processor.
Rx counters
•
Switch1 – counters will increase when CE1 transmits. Data is received at the
serial-processor via S1 and updates the counters.
•
Switch2 – counters are not updated.
Tx counters
•
Switch1 – counters are not updated.
•
Switch2 –CE1 Data is received over the Ethernet network to router 2 and to the
serial-processor. The serial processor transmits the data to CE2 over S1 and increases the Tx
counters.
