Page 1
Installation Instructions
Model Modem Block
Modem Block Module For HUB-4
INTRODUCTION The SIEMENS Modem Block module is a component of the HUB-4 assembly. Each
Modem Block module provides 1 independent data channel. The HUB-4 can support
up to 4 independent data channels. The Modem Block module mounts on the HUB-4,
COM-2 board, which in turn mounts on the HUB -4 Main-2 board. Refer to the table
below to determine the required modules for the desired configuration.
TABLE 1
HUB-4 CONFIG URATION
Number of
Channels Required Modules
1 1 HUB-4 Main-2, 1 HUB-4 COM-2, 1 Modem Block
2 1 HUB-4 Main-2, 1 HUB-4 COM-2, 2 Modem Blocks
3 1 HUB-4 Main-2, 2 HUB-4 COM-2, 3 Modem Blocks
4 1 HUB-4 Main-2, 2 HUB-4 COM-2, 4 Modem Blocks
PRE-INSTALLATION The Modem Block module has three configuration jumpers: JP1, JP2, and JP3. Refer
to Figure 1 for the location of the jumpers. Set the jumpers to the configuration
shown in Table 2.
JP2
JP3
TABLE 2
MODEM BLOCK
JUMPER SET TING S
JP1
JP2
JP3
ON
OFF
OFF
JP1
NOTE:
"ON" IS WHEN THE JUMPER
IS IN THE PROPER POSITION
OVER PLUGS JP1, JP2, OR JP3.
MODEM BLOCK
Figure 1
Module Block Module
P/N 315-099356-2
Siemens Building Technologies
Fire Safety
Page 2
INSTALLATION
Disconnect BATTERY and AC prior to working on equipment.
Mounting Each Modem Block module mounts to a HUB-4, COM-2 with the 3 nylon spacers, 3
nylon screws, and 3 nylon washers provided. One HUB-4, COM-2 board can accomÂmodate up to 2 Modem Block modules.
1. To begin mounting a Modem Block module on a HUB-4, COM-2 board,
place the screw end of the 3 spacers through the holes in the top of the
COM-2 board. (Refer to Figure 2.)
2. Secure the spacers in place on the underside of the HUB-4, COM-2 with
the 3 nylon nuts.
3. DO NOT place the Modem Block module on the HUB-4, COM-2 board at
this time. Reserve the 3 nylon screws provided.
4. Refer to the HUB -4 Installation Instructions, P/N 315-099458, to complete
the installation.
PLACE SCREW
END OF SPACER
THROUGH HOLE
IN HUB-4, COM-2
MOUNTS ONE
MODEM BLOCK
MODULE
MOUNTS ONE
MODEM BLOCK
MODULE
HUB-4,
COM-2
HOLES FOR
MOUNTING
NYLON SPACERS
HOLES FOR
MOUNTING
NYLON SPACERS
2X10PIN
RECEPTACLE
2X10PIN
RECEPTACLE
Figure 2
Placing Nylon Spacers For Modem Block Module On HUB-4, COM-2 Board
Siemens Building Technologies, Inc.
8 Fernwood Road
Florham Park, New Jersey 07932
Siemens Building Technologies, Ltd.
2 Kenview Boulevard
Brampton, Ontario L6T 5E4 CN P/N 315-099356-2
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