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INSTALLATION
Remove all system power before installation,
first battery and then AC. (To power up, first
connect the AC and then the battery.)
All wiring must comply with national and
local codes.
1. Remove the NET-7 from the antistatic bag.
CAUTION:
Do not touch the gold plated
card edge on the NET-7.
2. Set the address for the NET-7 using switch S1.
Refer to Table 1 for the switch settings. Be sure
that the address agrees with the CSG-M network
map.
3. Determine whether the communication mode is
Style 4 or Style 7. Place the shorting jumper on
P3 to agree with the style selected. (See Figure 1
for the location of P3.)
NOTE: On the MMB set jumper P15 to the S7
position regardless of the communication
mode (Style 4 or Style 7) selected on the
NET-7.
4. Decide whether to install the NET-7 into a PSR-1
or into the enclosure with the MMB. If the
installation is in a PSR-1, skip to step 8.
5. Install the NET-7 that is in the enclosure with the
MMB in a MOM-4 slot. Any available MOM-4 slot
can be used. Mount one of the two card guides
provided in the MOM-4. Slip the guide under the
mounting screw in the center of the MOM-4 and
tighten.
6. Refer to Figure 2 for the wiring diagram. Check
all wiring prior to installing the NET-7 into the
MOM-4. Failure to properly wire the NET-7 can
cause damage to the board.
7. Install the NET-7 into the MOM-4 slot. Be sure
that the board is firmly seated in the card edge
connector. This completes the installation of the
NET-7 with the MMB.
8. When used with a PSR-1, install the NET-7 into
connector P7.
• If screws are in the location where the card
guide is to be installed, remove the screws
and mount the card guide with the hardware
supplied.
• Mount the two card guides supplied onto the
PSR-1 by loosening the screws above and
below P7. Then slide the guides under the
screws and tighten them.
9. Refer to Figure 2 for the wiring diagram. Connect
the network wires to TB4 on the PSR-1 as shown.
10. Install the NET-7 into P7. Be sure that the board
is firmly seated.
11. If an MKB-2 is installed, the NET-7 must be
located in a MOM slot. In this configuration, the
setting in the CSG-M for the PSR-1 style type
should be none and a NET-7 should be installed
in the network map.
Note on End of Line Resistors
End of line resistors are provided with each NET-7.
DO NOT PLACE AN END OF LINE RESISTOR AT
EACH NET-7. These devices are required at the two
extreme ends of each network pair as shown in
Figure 2. It is not required that the MMB be at one of
the ends. It may be at any location along the net-
work. T-Tapping is not allowed on the network.
ELECTRICAL RATINGS
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Figure 1 NET-7 Board
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