Section 2: General operation
Models 707B and 708B Switching Matrix Reference Manual
2-86
707B-901-01 Rev. B / January 2015
To identify installed switching cards from the web interface:
1. Select the
Unit
page.
2. In the Report area, select the slots that you want information about.
3. Select
Firmware Revision
.
4. Click
Generate Report
. Information about the cards in the slots is displayed below the button.
To identify installed switching cards from the remote command interface:
Use
print(slot[
X
].idn)
to query and identify installed switching cards:
print(slot[
X
].idn)
Where:
X
= slot number (from 1 to 6)
Example
To get a list of all switching cards installed in the slots of a Model 707B or 708B, send the following
command over the remote command interface:
for x=1,6 do print (slot[x].idn) end
The response will be similar to the following:
7174, 8x12 Fast Low-I Matrix, 01.00a, <Module Serial Number>
7072, 8x12 Semi Matrix, 01.00a, <Module Serial Number>
Empty Slot
Empty Slot
Empty Slot
Empty Slot
Selecting a channel from the front panel
You can perform operations on a single channel from the front panel. To select a channel, see
Selecting channels from the front panel
(on page 2-15). Once a channel is selected, it is the selected
channel for front panel operation.
Closing and opening channels
Switching channels allow various methods for closing and opening relay channels.
You can use scans to perform a user-specified sequence of close and open operations on multiple
channels. Refer to
(on page 3-1) for information on scan operations.
Operating a channel from the front panel
For the Model 707B, also see Selecting and closing channels using the crosspoint display to select a
channel using the crosspoint display.
Hot switching can dry-weld reed relays, causing them to always be on. Hot switching is
recommended only when external protection is provided.