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CHAPTER 5: ASYNCHRONOUS DCE CONFIGURATION
Dual Port DCE Operation
If your 7500 has a second asynchronous board, you may attach two data terminals or other devices
to it. This enables two users to place data calls at the same time. There are, however, some restrictions
on this capability:
Only DX25 mode can be run on both ports simultaneously.
Only one user at a time can use circuit-switched Mode 2 (B2) or Mode 2/3 (BA) adaptive.
The dual port configuration does not simultaneously support two circuit-switched Mode 2 (B2)
or Mode 2/3 (BA) adaptive calls. In addition, the dual port configuration provides
independent sets of profiles (pA, p1, and p2) and memory dialing numbers (m1, m2, m3) for
each port.
Asynchronous DCE With the Multipurpose Enhancement
Board
If you have installed a multipurpose enhancement board, you may dial calls using the RS-366
interface.
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