1、CEPT T/CS*b8-Db*E = 2326414 O005281 3 Page 1 69 TCS68-06 E Recommendation T/CS 68-06 (Montpellier 1984, modified in Odense 1986) DIGITAL TRANSIT EXCHANGE OPERATION AND MAINTENANCE FUNCTIONS Recommendation proposed by Working Group T/WG 11 “Switching and Signalling” (CS) “The European Conference of P
2、ostal and Telecommunications Administrations, recommends that the members of the CEPT, when introducing digital transit exchanges, take account of and give effect to the following specifications on Operation and Maintenance functions for digital transit exchanges.” The reader is referred to CCITT Re
3、commendation 4.506 i, to which this Recommendation is identical, except for the additions and modifications indicated below. The section references (indicated 9) are to 4.506 i. 1,first paragraph, last sentence: The reference is to CEPT Recommendation TICS 68-01 2. $ 3.1, insert a new final paragrap
4、h: Reference is also made to the maintenance philosophy as defined in Recommendation TICS 50-01 3. $ 3.6.1.1, third hyphen: the list of references contains only CCITT Recommendations G.732 4 and G.744 5. $ 3.6.1.3.2,first hyphen: the list of references contains only CCITT Recommendations G. 732 4 et
5、 G.744 5. Table IiQ.516, row labelled: “Alarm indication received from remote end”; - second column: replace “G.732 4/G.744 5: Yes” “G.733 6/G.746 7: optional” - third column: delete “G.733 6/G.746 7: Yes”. with “Yes” 3.10, insert a newfinal line: See also Recommendation T/CS 54-04 8. $ 3.11.2, inse
6、rt a new,final line: See also Recommendation TICS 54-04 8. REFERENCES CCITT Recommendation 4.506. Operations and maintenance functions for digital transit exchanges. T/CS 68-01 Recommendation. Introduction field of application and basic functions for digital transit exchanges. TICS 50-01 Recommendat
7、ion. Maintenance philosophy for digital and mixed networks. CCITT Recommendation G.732. Characteristics ofprimary PCMmultiplex equipment operating at 2,048 kbitls. CCITT Recommendation G.744. Second order PCM multiplex equipment operating at 8,448 kbitls. CCITT Recommendation G.733. Characteristics
8、ofprimary PCMmultiplex equipment operating at 1,544 kbitls. CCITT Recommendation G.746. Characteristics of second order PCM multiplex equipment operating at 6,312 kbitls. T/CS 54-04 Recommendation. Automatic transmission supervision and measuring between digital exchanges. Edition of September 15, 1986
