Table D-4. Belgium
| Belgium |
|
4 Wire Digital Line | TN754B |
|
|
|
|
2 Wire Digital Line | TN2181 | TN2136 |
Data Line
TN726B
*PPM means Periodic Pulse Metering.
Table D-5. China
|
| China |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Tone Detector |
| TN744C | TN2182 |
|
|
|
|
|
|
|
|
| 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 |
| TN464F |
|
|
|
(DID) Trunk |
|
|
|
|
|
|
|
|
|
|
|
Digital Tie Trunk |
| TN464F | TN464E |
|
|
|
|
|
|
|
|
Digital Integrated Services Digital Network |
| TN464F |
|
|
|
(ISDN) Central Office (CO) Trunk |
|
|
|
|
|
|
|
|
|
|
|
8 port Analog Line |
|
|
|
|
|
|
|
|
|
|
|
16 port Analog Line |
| TN2183 |
|
|
|
|
|
|
|
|
|
4 Wire Digital Line |
| TN754B |
|
|
|
|
|
|
|
|
|
2 Wire Digital Line |
| TN2181 |
|
|
|
|
|
|
|
|
|
Data Line |
| TN726B |
|
|
|
|
|
|
|
|
|
*PPM means Periodic Pulse Metering.
Issue 1 September 1995
