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Country Differences
D-16 Issue 1 September 1995
Table D-17. Singapore
*
PPM means Periodic Pulse Metering.
Singapore
Tone Detector TN744C TN2182 TN748D
Tone-Clock TN2182 TN780 TN756
Call Classifier TN744C TN2182 TN744B
R2MFC Circuit TN744C TN2182 TN744B
Speech Synthesizer TN725B
Announcement TN750C TN750B TN750
Auxiliary Trunk TN763D TN763C
Analog Direct Inward Dialed (DID) Trunk TN753
Analog Central Office (CO) Trunk (no
PPM *)
TN747B
Analog Central Office (CO) Trunk
(w/PPM *)
4 Wire Tie Trunk TN760D
2 Wire Tie Trunk
Digital Central Office (CO)/Direct Inward
Dialed (DID) Trunk
TN464F
Digital Tie Trunk TN464F TN464E TN464D TN464C
Digital Integrated Services Digital Network
(ISDN) Central Office (CO) Trunk
TN464F TN464E TN464D TN464C
8 port Analog Line TN742
16 port Analog Line TN746B
4 Wire Digital Line TN754B
2 Wire Digital Line
Data Line TN726B
Table D-18. Spain and Taiwan
Spain Taiwan
Tone Detector TN744C TN2182 TN420C TN744C TN2182 TN748D
Tone-Clock TN2182 TN780 TN2182 TN780 TN756
Call Classifier TN744C TN2182 TN744B
R2MFC Circuit TN744C TN2182 TN744Bv2 Not
Applicable