
VISTA-128B Installation Instructions
26-4
Connecting a 4100SM Module for Direct Wire Downloading
The VISTA-128B can be downloaded without using a modem or telephone line, but by using a
4100SM Serial Module and V-LINK or Compass Downloading Software
. The direct-wire
downloading connection is to be temporary, and is not part of the permanent installation.
Direct-wire downloading is meant as a tool for the installer during the installation process.
The connections between the control and the 4100SM are different than those shown in the
4100SM Installation Instructions.
See the diagram below for correct connections. In addition,
the green wire is referred to in step 2 of the “IN CASE OF DIFFICULTY” section of the 4100SM
Instructions,
use the violet wire instead.
Connector J8 on the main PC board (see the
Summary of Connections
diagram on the inside
back cover of this manual), is intended to be interfaced to either a local serial printer (see
Event Log printer Connections
in the
Event Log Options
section) or a computer. Make
connections to a computer as shown below.
Note that the violet wire connection for a
computer differs from that used when connecting a serial printer.
Remove the alpha numeric pager interface if it is installed while performing the direct-wire
download. It may be reconnected once the direct-wire download is completed
123456789
NU
J8 CONNECTOR
VIOLET
GRAY
YELLOW
RED
GREEN
BROWN
BLUE
BLACK
IN 2
GROUND
IN 3
GROUND
OUT 5
OUT 6
GROUND
GROUND
PRINTER DTR
4142TR CABLE (SUPPLIED WITH 4100SM)
8
7
6
5
4
3
2
1
4100SM SERIAL MODULE
+ PWR
- (GND)
RXD
not used
not used
TXD
not used
not used
RED BLUE WHITE
To TB6 Aux. Power (+)
(25mA current draw)
To TB7 Aux. Power (-)
Figure 26-1. Direct Wire Downloading Connections
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