PairGain 150-1504-14, Быстрое руководство по установке, Страница: 14 / 20

Section 350- 431 - 114 -01 Revision 01
Page 12 HLU- 431 List 1D
Loopbacks
The HLU- 431 List 1D loopback messages are listed in the following tables.
A block diagram showing the GNLB locations and their activation codes are
shown on page 13.
Status Menu Loopback Messages: (with and without Doublers)
Message Full Name Description
SMJK Smart-Jack Loopback Loopback at HRU (remote) toward the CBA
initiated by either the (2 in 5) in-band
loopback code or the out-of-band ESF data
link code.
NREM Network Remote Loopback Loopback at HRU (remote) toward the CBA
initiated by upstream in-band codes or from
the maintenance terminal.
NLOC Network Local Loopback Loopback at HLU, (local) toward the CBA
initiated by upstream in-band codes or from
the maintenance terminal.
CLOC Customer Local Loopback Loopback at HRU (local) toward CI initiated
from CPE (customer) by in-band codes or
from the maintenance terminal.
CREM Customer Remote
Loopback Loopback at HLU, (remote) toward
customer initiated from CPE (customer) by
in-band codes or from the maintenance
terminal.
ARM Armed The HiGain system detected the IR loopback
(2 in 5) arming code.
TLOS Transmit Loss of Signal
(Loopback) HRU is in a logic loopback state caused by a
loss of its T1 input from the CI, if enabled at
the HRU via its TLOS switch option.