ISDN DID
The key programming steps required for an E1 DID Connection to PTT via 2 Mb PRI (ISDN) Protocol (IFC = EURO)
With Euro ISDN as the IFC parameter, you must use a NTBK50 card with a NTBK51 daughter-board (downloadable D-channel DCH).
| 1. | LD 17 Chg CFN, CEQU: yes PRI2: Card slot # |
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|---|---|---|
| 2. | LD 17 Chg CFN, New DCH X, CTYP: MSDL, IFC: EURO (X = unused sdi port # and should be the same as card slot #) | |
| 3. | LD 15 Chg: CDB, Net_data, ISDN: yes | |
| 4. | LD 16 New: Type: RDB, TKTP: DID, ISDN: yes, IFC: EURO | |
| 5. | LD 14 New 30, Type: DID | |
| 6. | LD 73 Chg, Type: PRI2, FEAT: SYTI, CLKN: Card slot # of PRI card providing the clock source | |
| 7. | Bring DCH into service: LD 96 ENL MSDL X FDL (Force download of DCH) Note - If oos red LED is on, LD 60, DISL X, ENLL X LD 60 TRCK PCK (will track to master source) |
NTBK50 DIP switch settings:
- SW1-2 DPNSS (on) / DCHI * (off)
- SW2-2 120 ohms (twisted pair) Up (off)
- SW4-1 RX-FGND Down (on) / RX Open Up (off)
- SW4-2 TX-FGND Down (on) / TX Open Up (off)