PairGain 150-1143-04, Manual

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150-451-104-02, Revision 02 Monitoring the HDSL System
HDU-451 List 4 September 18, 1998 15
M
ONITORING THE
HDSL S
YSTEM
The 9-pin Craft port on the front panel of the HDU-451 List 4 provides
access, through an RS-232 cable, to a dumb terminal or PC running a terminal
emulation program. The terminal provides access to a full set of maintenance
and status information.
CREM Customer Remote
Loopback Loopback at HLU (remote) towards customer
initiated from CPE (customer) by a family of
special loopbacks (SPLP) or from maintenance
terminal or by depressing both the MODE and
SEL HLU front panel push-buttons. See
Figure 4
on page 9 .
CDU1 Customer Doubler 1
Loopback Loopback a Doubler 1 towards CI initiated from
CPE (customer) by a family of special loopbacks
(SPLP) or from maintenance terminal or by
depressing both the MODE and SEL HLU front
panel push-buttons. See
Figure 4 on page 9 .
CDU2 Customer Doubler 1
Loopback Loopback a Doubler 1 towards CI initiated from
CPE (customer) by a family of special loopbacks
(SPLP) or from maintenance terminal or by
depressing both the MODE and SEL HLU front
panel push-buttons. See
Figure 4 on page 9 .
ARM Armed HiGain has detected the intelligent repeater
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 NI, if enabled via the
TLOS option switch in the HRU.
Table 5. HLU-451 Status Menu Messages (Cont.)
Message Full Name Description