Program 70-Cd-IP : ISDN Interface Specifications Program – G1E
70-Cd-IP S/T TYP
111111
Cd = 01-04, IP = Item Pointer (01-06)
Value for each Item
General:
To assign the ISDN interface to “S” interface or “T” interface.
Description:
Cd= 01 is to assign the “S” or “T” interface for the ISDN port on G2-SIU card
IP Value Value Description
70-01-IP 1 “T” interface. It can be connected to “NT” interface of ISDN line.
Cd= 02 is for test purposes only.
IP Value Item Description
70-02-IP 0 Loopback disabled
70-02-IP 1 Loopback enabled
Cd= 03 is for connection method.
IP Value Item Description
70-03-IP
0 Point to Point (recommend ‘0’ for internal ISDN S interface if only one ISDN device
connected) Default setting
70-03-IP 1 Point to Multi- point
70-03-IP 2 Point to Multi-point and ignore the unknown MSN / DDI number (not assigned in mode 72)
This application is normally for other ISDN devices (e.g. ISDN TA, ISDN video conference, ISDN card, …) that are
hooked to the NT1 with the G1E.
For Australian networks the usual connection is Point To Point. Network features such as Diversion will only work on
Point to Point on the Telstra network
Cd= 04 is for the ISDN PLL (Phase Loop Lock)
IP Value Item Description
70-04-IP 0 ISDN PLL Auto Detection
70-04-IP 1 Lock this ISDN line for PLL. Signal
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