All drawings appearing in this Recommendation have been done in Autocad.
Recommendation E.701
REFERENCE CONNECTIONS FOR TRAFFIC ENGINEERING
1	General
	The goal of this Recommendation is to give the E.700 Series of Recommendations a base to define ISDN Grade of Service (GOS) and traffic parameters.
	In § 2, two reference connections are defined. Definition of other reference connections is for further study.
2	Reference connections
2.1	Reference connection for point–to–point circuit switched services
	See Figure 1/E.701.
Figure 1/E.701 - T0201361-88

2.2	Reference connection for point–to–point packet switched services
	See Figure 2/E.701.
Figure 2/E.701 - T0201371-88