T1 requirements, Environmental requirements, T1 requirements -4 environmental requirements -4 – Panasonic CPC-EX User Manual

Page 16

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Section 300-Installation

Chapter 1. Requirements

DBS-2.3/9.2-300

DBS Manual - Revised April 2000

1-4

- Answered by the attendant

- Routed to a recorded announcement that can be administered by

the CPE user

- Routed to a dial prompt.

B. This equipment provides answer supervision on all DID calls forwarded to
the PSTN. Permissible exceptions are:

- A call is unanswered

- A busy tone is received

- a reorder tone is received

T1 Requirements

This device must only be connected to the T1 network connected behind an
FCC Part 68 registered channel service unit. Direct connection is not allowed.

Environmental Requirements

Temperature: The environment should be free from excessive temperatures in
order to avoid component damage. Room temperatures should be 32 to 104

°

F

(0 to 40

°

C).

Humidity: The environment should be free from excessive humidity, which
may rust metallic parts and degrade performance. Do not install the system
where humidity could condense on its surfaces. Relative humidity ranges
should be between 30 and 90 percent.

Ventilation: Adequate ventilation must be provided to allow upward air
circulation through the cabinet grille.

Gas and airborne particles: To avoid corrosion or oxidation of electrical
contacts, the environment should be free from airborne particles and corrosive
gas.

Electrical noise: The environment should be free from excessive electrical
noise, which could disturb the operation of digital circuits. The system should
be located at least 10 ft. (3 m) away from welders, dimmers, or other high-
current machines. Phones connected to the system should not be located near
fluorescent lamps, air conditioners, washing machines, TVs, or radios.

Vibration: The environment should be free from excessive vibration, which
could loosen components.

Water Exposure: Because the DBS is an electric device, exposure to water is
dangerous. Do not place anything containing water on the system. Do not install

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