ADS Environmental Services Model 3600 530002 A2 - Manual (Page 82)

5-8 ADS 3600 Flow Monitor O&M Manual
External Modem Unit (EMU) Installation
Installed Pavement Box and EMU
Use the following procedure when installing the EMU.
z Place one brick or cinder block below each corner of the EMU to keep it off
the bottom of the pavement box. Raise the EMU as high as possible, but verify
that it does not prevent closing the lid on the pavement box.
z Ensure that the phone cable and the communication cable enter the EMU from
opposite ends (this is necessary to remain in compliance with the IS
requirements).
Note: To comply with IS rules, verify that the telephone cable and the
communication cable enter the EMU from opposite ends. Do not allow the
cables to cross each other. Never coil the communication line and the
telephone line together.
Communication Cable Installation
Cable entry into the manhole must conform with the electrical code for service entry
into hazardous areas. Use standard electrical fittings that are available from most
professional electrical supply business. ADS installs the communication cables into the
manholes using a method called sealing off. The fittings used for this job are typically
called XP (explosion proof).
The method for installing the communication cable between the monitor and
communication device depends on the hardware. When installing the cable running
between an EMU and the QS3600 monitor, ADS recommends running the cable