General DataComm Megamux Plus 036M241 Operator Instructions Manual page 18

Time division multiplexer
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VLBRV Channel Status Scan
When you select the Channel Status Scan from the Specific Scan menu, the following prompt ap-
pears:
ENTER CIRCUIT NAME OR NUMBER:
The VLBRV channel may be specified either by channel number or by the name assigned in the
configuration.
To select the VLBRV Channel Module by name, type the name and press Return. To select the
VLBRV Channel Module by channel number, type the channel number, and press Return. The
following appears:
* STATUS SCAN FOR CIRCUIT:
* CONFIGURED AS VLBRV,
CHANNEL TEST
ACO
:
CLOCK
:
CHANNEL TYPE
:
__________________________________________________________________________
SPECIFIC CHANNEL STATUS MENU
ALARM SCAN
CONTROL STATES SCAN
The following items are displayed on the VLBRV Channel Status Scan:
CHANNEL TEST
This item reports any type of test being performed on the VLBRV Channel Module. If no test is
running, NORMAL is reported. Otherwise, the test type, data origin point, and loopback point are
reported.
ACO - ON
Indicates that Alarm Cut-Off has been selected for the VLBRV Channel Module, and no alarms
are being reported. OFF indicates that Alarm Cut-Off has not been selected for the channel.
CLOCK
OK, RCV CLK BAD, TX CLK BAD or T/R CLK BAD may be reported. OK indicates that the
clock signals for both transmit and receive clock signals for the channel are good. Any other re-
port indicates that the specified clock signal is not in proper operating condition. (For asynchro-
nous, isochronous or transition-encoded channels, the item reports the existence of a data
overflow in the channel. For example, TX CLK BAD would indicate an overflow of transmit data
in the channel.)
CHANNEL TYPE
This item reports the type of channel card in the slot (as opposed to the configured Circuit Type).
For the VLBRV Channel Module, VLBRV is displayed here.
When the ALARM SCAN or CONTROL STATES SCAN are selected from the SPECIFIC STA-
TUS MENU, the displays are as follows:
MIKE 1C
HAN #1
9600HZ
:
NO TEST
OFF
NODE M OK
NODE M OK
NODE M VLBRV
NODE S VLBRV
11
036R660-E1

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