檢視 @PORTPAIR 的原始碼

*Information about each contact path. The input and output port show as figure below.

'''format'''
 dev_type1&nbsp;&nbsp; dev_ID1&nbsp;&nbsp;&nbsp; port1&nbsp;&nbsp;&nbsp; dev_type2&nbsp;&nbsp;&nbsp; dev_ID2&nbsp;&nbsp;&nbsp; port2&nbsp;&nbsp;&nbsp; 

dev_type1:emitting element type<br>
dev_ID1:emitting element ID<br>
port1:output port<br>
dev_type2:receiveing element<br>
dev_ID2:receiveing element ID<br>
port2:input port<br>

'''example'''
 @PORTPAIR
 'LASER', 1, 'OptOut1', 'PM', 	1, 'OptIn1'
 'PM'   , 1, 'OptOut2', 'FIBER', 1, 'OptIn1'
 'FIBER', 1, 'OptOut2', 'MZI', 	1, 'OptIn1'
 'MZI',   1, 'OptOut1', 'SPD', 	1, 'OptIn1'
 'MZI',   1, 'OptOut2', 'SPD', 	2, 'OptIn1'

Note: While the [[@PORTPAIR_NUM]] is 5, @PORTPAIR has 5 entries.<br>

[[檔案:BS_PM_inoutput.jpg|480px]]