ADTRAN Atlas 550 - Manual (Page 93)

Chapter 7. Module Terminal Menus
61200305L1-1 ATLAS 550 User Manual 7-7
T EST Initiates different types of tests and displays test results.
P RT
Identifies the port number.
L OC LB
Write security: 4; Read security: 5
Causes loopback on near-end port. (Local Loopback)
R EMOTE LB
Write security: 4; Read security: 5
Sends a loopback code to a remote CSU.
P ATTERN
Write security: 4; Read security: 5
Specifies the test pattern to be transmitted out the port.
QRSS/RLB R ESULTS
Read security: 5
(Remote Test Pattern Results) Suppresses excess zeros—indication of sync
and errors of received data pattern.
C LR
Write security: 3; Read security: 5
(Test Pattern Results Clear) Clears current error counters on test pattern
results menu.
I NJ
Write security: 3; Read security: 5
(Test Pattern Error Inject) Injects errors into transmitted test pattern.
These T EST commands temporarily disrupt service.
L INE Metallic loopback.
P AYLD Payload loopback framing and clocking are regenerated.
ANSI FDL L INE Sends ANSI line loopback code. Requires ESF mode.
ANSI FDL P YLD Sends ANSI payload loopback code. Requires ESF
mode.
ATT I NBAND L INE Sends line loopback using inband code.
A LL ONES Framed ones
A LL ZEROS Framed zeros
QRSS Pseudorandom pattern with suppression of excess zeros