Plug-in OPX Card
3
7501-16A, B, C
2.
Applications
The applications of the OPX Card include the following:
•
OPX. For an illustration of this application, refer to Figure 3.
•
Direct Inward Dial (DID) loop start. For an illustration of this application,
refer to Figure 4.
•
Automatic ring down. For an illustration of this application, refer to Figure
5.
•
Radio keying. For an illustration of this application, refer to Figure 6.
•
Loop start telephone
•
Call waiting pulse
•
Forward disconnect
•
Caller ID
•
Coin telephone (two cards required)
•
Simplex continuity when used with four-wire DX signalling
•
Fax and dial-up “smart” modems (up to 56.6 Kb modem, speed of 45.3 Kb/s
if line permits)
Refer to Figure 2 for applications.
Summary of Contents for Teleline Isolator 7501-16A
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