Black Box MT722AE-X21T Manual De Usuario
CHAPTER 3: Installation
19
Ambient
Requirements
Requirements
The ambient operating temperature of the Fradswitch should be 32 to 122°F (0 to 50°C),
at a relative humidity of up to 90%, noncondensing.
at a relative humidity of up to 90%, noncondensing.
3.3 Fradswitch Hardware Configuration Information
3.3.1 G
ENERAL
I
NFORMATION
The Fradswitch contains three different types of printed circuit boards (see Figure 3-1):
• The main board. This board contains most of the Fradswitch circuits, and has two jumpers.
• The extension board.
• Three main link interface boards, which determine the interface type. The appropriate board
is factory-installed in accordance with your order, and is not field-replaceable. See Section 3.3.3
for more information; it provides information on the functions of the internal jumpers, and provides
step-by-step instructions for setting these jumpers. The default settings for each jumper are also listed.
for more information; it provides information on the functions of the internal jumpers, and provides
step-by-step instructions for setting these jumpers. The default settings for each jumper are also listed.
NOTE
The default settings of the Fradswitch jumpers are usually suitable for most applications.
Check the default positions explained below. If your requirements are different, then before
you install the Fradswitch, set its internal jumpers in accordance with your requirements,
as explained below.
Check the default positions explained below. If your requirements are different, then before
you install the Fradswitch, set its internal jumpers in accordance with your requirements,
as explained below.
• All the other configuration actions are performed using the Fradswitch command facility, after the
installation is completed. Information and detailed instructions for these operations appear in
Chapter 2
Chapter 2
of the Packet Switching Guide.