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Chapter 4: Meridian Link/CCR hardware
Transition cards
553-3202-210 Standard October 1998
The MVME system serial I/O uses various transition cards to route signals
to standard external connectors such as DB25, DB9, and RJ11 (teledapt).
The transition cards available are the MVME712M, MVME712A,
MVME712AM, MVME705B and NT6D51AA. These cards have specific
capabilities and hardware configurations. The descriptions and illustrations
of these cards follow.
MVME712M transition card
This new transition card (shown in Figure 20) provides an interface between
the SBC card and peripheral devices such as the system console. It connects
to the J2 connector of the SBC card through the P2 adapter board.
The MVME712M card faceplate provides four 25-pin connectors.
Connectors SP1-3 are for asynchronous serial ports 1Ð3; connector SP4 is
for synchronous/asynchronous serial port 4. The MVME712M card does
not contain an internal modem.
This transition card also provides an Ethernet connection.
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