Specifications

Review Answers
DXP Correspondence Manual
Chapter Three:
Review Answers
I
.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.
19.
20.
21.
SO- 100 pounds.
Six,
24.5
.
Keep the distance to a maximum of two inches to connect the
two interface boards; this ensures that you won’t exceed the
ribbon cable length.
False. The expansion cabinet always goes on top of the main
cabinet.
# 10 or# 12 gauge wire
20 feet
117V AC 15 AMP circuit.
False. You should always use a surge protector.
False. Check the output voltage of both power supplies.
It has a DC input and no pre-power on battery backup.
False. Mount below or to the left of the main cabinet.
34.3 and 34.6 volts
False. The battery backup provides approximately 1 -hour of
backup time.
Work in a static safe area and wear a static discharge wrist
strap.
False. While line and station boards do have pre-power jacks,
you should install the boards with the power off unless
otherwise necessary.
The card cage is mechanically keyed to prevent you from
inserting the wrong board.
RAM card
Software card.
False. Line ports are numbered from right to left.
64-pin ribbon cable.
Use the pre-power jack. You can leave the power on for the
line and station boards.
Never install lines during lightning storm.
Never touch uninsulated telephone wires or terminal unless
the line has been disconnected at the network interface.
Primary surge protection. Comdial recommends that you use
gas discharge tubes.
16-4 Review Answers