ADTRAN DDM+ HTU-C M warranty FCD Modes, Status/Alarm Display Stat, HTU-R Options Display View

DDM+ HTU - CM

JOBAID

61246003L8-22B

0006

DDM+

HTU-CM

CLEI:T1L3BWBA_ _

HTU-C

1246003L8

MODE

SELECT

STATUS

R

S

2

3

2

C A U T I O N !

SUBJECT TO ELECTROSTATIC DAMAGE

OR DECREASE IN RELIABILITY.

LED STATUS

STATUS	● GREEN	Synchronization
	✷ FLASHING	ES, SES or BPV detected
	● YELLOW	Loopbacks active
	✷ FLASHING	In-band loopbacks armed
	● 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

4 CHARACTER DISPLAY (FCD) OPERATION

MODE

		UP = MODE
		CENTER = OFF
SELECT		DOWN = SELECT
FCD Modes
Mode	Display	Function
Status	STAT	HDSL loop margin, displays 1=xx or 2=xx, where xx=loop margin
		0-2 marginal signal quality, 3-20 acceptable signal quality
Display Off	Blank	Result after five minutes of no activity
View	VIEW	View current parameters without changing
Provisioning	PROV	Set configuration options
Default	DFLT	Sets all factory defaults
Loopback	LPBK	Select and execute HDSL circuit loopbacks

Status/Alarm Display (“STAT”)

Message	Condition
HER1	CRC error detected on HDSL Loop 1
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

HTU-R Options Display (“VIEW”)

Message	Description	Settings	Default
TXLV	DS1 Transmit Level	0 dB, -15 dB	0 dB
PRM	Performance Reporting Messages	NPRM, SPRM, None	None

Parameter Settings Display (“PROV”)

Message	Description	Settings	Default
LBO	DSX-1 Transmit Level	0, 133, 266, 399, 533	0
CODE	Line Code	AMI, B8ZS	B8ZS
FRMG	DSX-1 Framing	AUTO, ESF, SF, UNF, FFFC	ESF
NELB	New England 1:6 loopback	EN, DIS	DIS
NLBK	NIU Loopback	EN, DIS	EN
LBTO	Loopback Timeout	0, 120	120
CLOS	Customer Loss Response	AIS, LPBK, CDI	AIS
LTCH	Latching Loopback	T1, FT1	T1
SPWR	Span Power	ON, OFF	ON
SALM	Shelf Alarm	EN, DIS	EN

Loopback Options Display (“LPBK”)

Mode	Select	Loopback State	Loopback Description
LPBK	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

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.
	CODE	IN	OUT
	Installation Code (IC)	A	–
	Telecommunication Code (TC)	–	X
	Power Code (PC)	F	C

HANDLING PRECAUTIONS REQUIRED.

■ For a complete Installation and Maintenance Practice: (877) 457-5007, Document #455. Please have your fax number available. ■