Patton electronic 2720/I Series User Manual download pdf (Page 13)

unit. This will cause the unit to enter a special mode. Then turn off the

unit and change the switch settings to the desired settings. When you

turn the unit on again, the unit will be set up with the selected switch

settings.

DS0 Channel Configuration Menu: [ Bandwidth/# Channels =

1,536/24 ]

(default)

The DS0 Channel Configuration Menu has a sub-menu that looks

like this:

You may configure the Model 2720 to operate with any combina-

tion of active and inactive DS0 channels in this screen. When you exe-

cute the Save Changes command, the selected settings will be saved

to permanent memory, and the system will be updated to operate with

the new channel settings.

NOTE: In Unframed format, the Bandwidth Selected will display

“1,544k,” and the Total Channels will display “n/a.” When the DS0

Channel Rate is 56kbps, the Bandwidth Selected will be a multiple

of 56k, not of 64k. When using the DIP switches to set the band-

width, the starting channel is always channel 1.

3.2.3 System Diagnostics

The System Diagnostics/Statistics screen looks like this:

NOTE: This screen is updated once per second.

The System Diagnostics/Statistics options and functions are

described below.

Local Loop: Idle

(default)

The Local Loop is a bi-lateral loopback in which the data from the

local DTE and the data from the remote unit are looped back to their

respective sources (See Section 5.3). Activate this loop to test the

each of the DTE’s connection to the Model 2720.

The Local Loop test has four states:

Idle No user-controlled loopbacks are active.

LL The Model 2720 is in local loopback mode.

Off The Model 2720 is in remote or CO initiated loopback

mode or sending a pattern. Local loopback is disabled.

LocP The Model 2720 is in Local Loopback mode, and is send-

ing a test pattern.

1 2 ... 8 9 10 11 12 13 14 15 16 17 18 ... 22 23

No comments

Patton electronic 2720/I Series User Manual Page 13