
Chapter 4. Status
Bandwidth
Displays the amount of bandwidth currently being used by the port.
DTE Leads
If a lead is active on the port, it is displayed in this field. The leads differ according to the interface type. Lead descriptions for both the HSSI and the V.35 interfaces follow.
:
HSSI Interface | Condition | |
Leads | ||
| ||
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| |
TA (terminal available) | Asserted by the DTE to indicate readi- | |
| ness to transmit data. | |
|
| |
CA (communications | Asserted by the T3SU 300 to indicate | |
equipment available) | readiness to transmit data. | |
|
| |
LA (loopback circuit A) | The condition reflected by this lead is | |
| dependent upon the LB lead. See Table | |
| ||
|
| |
LB (loopback circuit B) | The condition reflected by this lead is | |
| dependent upon the LA lead. See Table | |
| ||
|
| |
LC (loopback circuit C) | Asserted by the unit to request a loop- | |
| back from the DTE. | |
|
| |
TM (test mode) | Asserted by the T3SU 300 when either | |
| the network or the port is being tested. | |
|
|
Both TA and CA must be on before data will flow.
T3SU 300 User Manual |