ADTRAN DDM+ HTU-C M Job Aid

DDM+ LED STATUS
HTU-CM
STATUS
CLEI:T1L3BWBA_ _
HTU-C
1246003L8
4 CHARACTER DISPLAY (FCD) OPERATION
MODE
SELECT
MODE
FCD Modes
Mode
SELECT
Status
Display Off
View
STATUS
Provisioning
Default
Loopback
Status/Alarm Display ("STAT")
R
S
Message Condition
2
3
HER1 CRC error detected on HDSL Loop 1
2
HER2 CRC error detected on HDSL Loop 2
LERR Frame bit error (SF Mode) or CRC error (ESF Mode) detected locally at DSX-1 of the HTU-C
RERR Frame bit error (SF Mode) or CRC error (ESF Mode) detected locally at DS-1 of the HTU-C
LBPV Bipolar Violation (BPV) detected locally at DSX-1 of the HTU-C
RBPV BPV detected locally at DS-1 of the HTU-R
LOS1 No synchronization of HTU-C and HTU-R on Loop 1
LOS2 No synchronization of HTU-C and HTU-R on Loop 2
LLOS DSX signal is absent from the network interface or is of a format which does not
match the provisioning of the HDSL circuit
RLOS DS1 signal is absent from the network interface or is of a format which does not
match the provisioning of the HDSL circuit
ARM The loopback arming sequence has been detected
C A U T I O N C A U T I O N !
SUBJECT TO ELECTROSTATIC DAMAGE
OR DECREASE IN RELIABILITY.
HANDLING PRECAUTIONS REQUIRED.
G
GREEN Synchronization
✷
FLASHING ES, SES or BPV detected
G
YELLOW Loopbacks active
✷
FLASHING In-band loopbacks armed
G
RED Alarm on any HTU-C loops, HRE loops, DSX or DS1 interface
✷
FLASHING Signal Quality of 0 or No Sync on at least one loop
UP = MODE
CENTER = OFF
DOWN = SELECT
Display Function
STAT HDSL loop margin, displays 1=xx or 2=xx, where xx=loop margin
0-2 marginal signal quality, 3-20 acceptable signal quality
Blank Result after five minutes of no activity
VIEW View current parameters without changing
PROV Set configuration options
DFLT Sets all factory defaults
LPBK Select and execute HDSL circuit loopbacks
I For a complete Installation and Maintenance Practice: (877) 457-5007, Document #455. Please have your fax number available. I
DDM+ HTU-CM
HTU-R Options Display ("VIEW")
Message
TXLV
PRM
Parameter Settings Display ("PROV")
Message
LBO
CODE
FRMG
NELB
NLBK
LBTO
CLOS
LTCH
SPWR
SALM
Loopback Options Display ("LPBK")
Mode
LPBK
WARRANTY
Carrier Network products manufactured by ADTRAN and supplied under Buyer's
order for use in the U.S. is ten (10) years. For a complete copy of ADTRAN's U.S.
Carrier Network Equipment Warranty: (877) 457-5007, Document 414.
COMPLIANCE CODES
This product is intended for installation in restricted access locations only and in
equipment with a Type "B" or "E" installation code.
Input current at maximum load is 0.7 A at –48 VDC. Maximum output at over current
condition is 165 mA at –190 VDC.
Description Settings
DS1 Transmit Level 0 dB, -15 dB
Performance Reporting Messages NPRM, SPRM, None
Description Settings
DSX-1 Transmit Level 0, 133, 266, 399, 533
Line Code AMI, B8ZS
DSX-1 Framing AUTO, ESF, SF, UNF, FFFC
New England 1:6 loopback EN, DIS
NIU Loopback EN, DIS
Loopback Timeout 0, 120
Customer Loss Response AIS, LPBK, CDI
Latching Loopback T1, FT1
Span Power ON, OFF
Shelf Alarm EN, DIS
Select Loopback State Loopback Description
HTUC Net Network loopback at HTU-C
CST Customer loopback at HTU-C
NONE No active loopback
HTUR BLB Bilateral loopback at HTU-R
NET Network loopback at HTU-R
CST Customer loopback at HTU-R
NONE No active loopback
HRE1 NET Network loopback at HRE1
CST Customer loopback at HRE1
NONE No active loopback
HRE2 NET Network loopback at HRE2
CST Customer loopback at HRE2
NONE No active loopback
CODE
Installation Code (IC)
Telecommunication Code (TC)
Power Code (PC)
JOB
A
ID
61246003L8-22B
0006
Default
0 dB
None
Default
0
B8ZS
ESF
DIS
EN
120
AIS
T1
ON
EN
IN OUT
A –
– X
F C