Connecting Synchronous Devices To A Vsc/3 Controller; Cables For Synchronous Devices And The Vsc/3 Board - Data General AViiON Series Customer Documentation

Setting up and installing vmebus options
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Connecting Synchronous Devices to a VSC/3
A single VSC/3 controller in your system can support three lines, with ports on the
air dam at the rear of the VSC/3 board. Each full-duplex line can support an
RS–232–C synchronous modem or other device. Figure 4–25 shows the location of
the device connectors on a VSC/3 board.
AViiON computer — rear view
NOTE:
You specify the characteristics of synchronous devices through your
communications software. You should refer to the device-specific
documentation and your X.25, SNA, PAD, or other synchronous
communications documentation for information on setting characteristics,
such as baud rate, to conform to your system requirements.
Synchronous devices connect to the VSC/3 board in your computer through cables
with male DB25 connectors. To connect synchronous devices to the VSC/3 board,
use one of the cables listed in Table 4–6.
Table 4–6 Cables for Synchronous devices and the VSC/3 Board
Cable Part No.
005–32917
005–32918
005–32919
NOTE:
Make certain you use the correct cables to connect your synchronous
devices. Although the RS–232–C interface supports many devices, your
device requires the correct cable in order to work properly.
014–001867
Connecting External Devices to VME Option Boards
Controller
Figure 4–25 VSC/3 Device Connectors
Cable Model No.
15290E006
15290E015
15290E025
Synchronous device connectors
(female)
Cable Length (m)
1.7
(6 ft)
4.5
(15 ft)
7.6
(25 ft)
4-21

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