Installation Instructions

Siemens Industry, Inc.
Smart Infrastructure
P/N 315-099458-106
3. Using the three nylon spacers provided with each HUB-4, COM-2, place the
screw end of the spacers through the holes in the top of the HUB-4, Main-2
board. (Refer to Figure 4, page 5.)
4. Secure the spacers in place on the underside of the HUB-4, Main-2 board
with the nylon nuts provided.
5. Connect the HUB-4, COM-2 to the HUB-4, Main-2 by lining up the 2x15
connectors on the HUB-4 COM-2 to the 2x15 receptacles on the HUB-4,
Main-2. Keep in mind that Port 1 is the P1 receptacle, etc. Gently insert the
connectors into the receptacles being careful not to bend the connectors.
6. Note that the spacer holes on the HUB-4, COM-2 board line up with the
spacers on the HUB-4 Main-2 board. (Refer to Figure 5, page 6.)
7. Insert the 3 nylon screws (packaged with the HUB-4, COM-2) through the
holes in the HUB-4, COM-2 into the spacers in the HUB-4, Main-2 and
secure them in place. (Refer to Figure 5, page 6.)
8. If a second HUB-4, COM-2 is required, install it now by following the
previous steps.
When installing Modem Block or RS-485 Interface modules, refer to Table 4 for correct placement
on HUB-4 Main-2.
9. Connect the Modem Block or RS-485 Interface module to the HUB-4, COM-
2 by lining up the 2x10 connector on the Modem Block or RS-485 Interface
module to the 2x10 receptacle on the HUB-4, COM-2. Gently insert the
connector into the receptacle being careful not to bend the connector.
10. Note that the spacer holes on the Modem Block or RS-485 Interface module
line up with the spacers on the HUB-4 COM-2. (Refer to Figure 5, page 6.)
11. Insert the 3 nylon screws (packaged with the Modem Block or RS-485
Interface module) through the holes in the Modem Block module or RS-485
Interface module into the spacers in the HUB-4, COM-2 and secure them in
place. (Refer to Figure 5, page 6.)
12. If additional Modem Block or RS-485 Interface modules are required, install
them now by following steps 9-11 above.
Figure 4
Spacer Placement on HUB-4, Main-2