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Country-Specific Hardware
Issue 1 September 1995
D-5
*PPM means Periodic Pulse Metering.
Table D-5. China
*
PPM means Periodic Pulse Metering.
4 Wire Digital Line TN754B
2 Wire Digital Line TN2181 TN2136
Data Line TN726B
China
Tone Detector TN744C TN2182
Tone-Clock TN2182
Call Classifier TN744C TN2182 TN744B
R2MFC Circuit TN744C TN2182
Speech Synthesizer
Announcement TN750C TN750B
Auxiliary Trunk TN763D
Analog Direct Inward Dialed (DID) Trunk
Analog Central Office (CO) Trunk (no PPM *) TN465C
Analog Central Office (CO) Trunk (w/PPM*)
4 Wire Tie Trunk TN760D
2 Wire Tie Trunk
Digital Central Office/Direct Inward Dialed
(DID) Trunk
TN464F
Digital Tie Trunk TN464F TN464E
Digital Integrated Services Digital Network
(ISDN) Central Office (CO) Trunk
TN464F
8 port Analog Line
16 port Analog Line TN2183
4 Wire Digital Line TN754B
2 Wire Digital Line TN2181
Data Line TN726B
Table D-4. Belgium
Belgium