ADTRAN Switch HTU C 3192 User Manual

JOBAID  
61245004L6-22B  
0104  
HTU-C / 3192  
STATUS LEDs  
CIRCUIT BOARD ROTARY SWITCH - SW2  
HTU-C / 3192  
LP1 / LP2  
G OFF  
No synchronization between the HTU-C and the next  
HDSL unit (HRE or HTU-R) on loop1 / loop2  
Selects the DSX-1 Line Build Out  
CLEI: T1L4SNSC_ _  
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0..........0 - sets LBO to 0-133 feet  
1..........133 - sets LBO to 133-266 feet  
2..........266 - sets LBO to 266-399 feet  
3..........399 - sets LBO to 399-533 feet  
4..........533 - sets LBO to 533-655 feet  
G RED  
Poor signal quality on loop1 / loop2  
Marginal signal quality loop on loop1 / loop2  
Good signal quality on loop1 / loop2  
Error detected at HTU-C or HTU-R  
DSX-1 signal not detected  
BPV, Frame Error (SF), CRC Error (ESF) is detected  
DSX-1 signal is present and synchronized  
No alarm condition detected  
Local alarm condition detected (HTU-C), or local and  
remote alarm condition detected (HTU-C and HTU-R)  
Remote alarm condition detected (HTU-R)  
No active loopback  
G YELLOW  
G GREEN  
FLASHING  
G OFF  
FLASHING  
G GREEN  
G OFF  
HTU-C  
1245004L6  
Note: Positions 5,6 & 7 are not used.  
DSX  
ALM  
H
D
S
L
LP1  
CIRCUIT BOARD JUMPER - P1  
LP2  
Selects the span powering voltage  
DSX  
ALM  
G RED  
LV (–140 Vdc)  
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Used to span power circuit with 0 or 1 HRE  
G YELLOW  
G OFF  
HV (–190 Vdc)  
Used to span power circuit with multiple HREs  
LBK  
LBK  
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FLASHING  
G YELLOW  
Armed but not in loopback  
Local loopback is active  
C
AIS  
LBK  
CDI  
L
O
S
CIRCUIT BOARD JUMPER - P3  
FACEPLATE SWITCH - SW1  
Selects the framing of the HDSL circuit  
LBK  
TM OUT  
Selects response of HTU-R upon Customer Loss of Signal  
UNF  
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HTU-C operates in unframed mode  
AIS  
DIS  
EN  
AUTO  
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HTU-R generates unframed all 1s toward network upon loss of customer signal  
BZS  
T1  
AMI  
FT1  
EN  
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HTU-C auto detects framing  
LBK  
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HTU-R generates loopback towards network upon loss of customer signal  
DIS  
DSX EQ BANTAM JACKS  
CDI  
EXT ALM  
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HTU-R generates framed all 1s toward network upon loss of customer signal  
Provides an intrusive test access point to the data stream  
FACEPLATE SWITCH - SW3  
COMPLIANCE CODES  
TX  
TX  
RX  
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Accesses the data stream being received from the local loop  
Loopback Timeout  
Enabled  
This product complies with UL 1459, third  
edition. It is intended to be installed in an  
enclosure with an Installation Code (IC) of  
“B” or “E” and in Restricted Access Locations  
only. Input current at maximum load is 1 A,  
and maximum output at overcurrent condi-  
tion is 160 mA at -188 Vdc.  
RX  
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Accesses the data stream being transmitted to the local loop  
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Loopback timeout is enabled  
Disabled  
RS-232 DB-9 CONNECTOR  
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Loopback timeout is disabled  
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Used to access performance monitoring data, perform loopbacks and provision units  
via VT100 emulation software such as Hyper Terminal – Private Edition and  
ProComm Plus.  
Manual Line Code Select  
AMI  
R
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AMI line code is selected  
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Provision terminal port as follows:  
S
2
3
2
Code  
Input Output  
B8ZS  
Data Rate — 19.2 kbps  
Asynchronous Data Format — eight data bits, no parity (none), one stop bit  
Installation Code (IC)  
Telecommunication Code (TC)  
Power Code (PC)  
A
F
X
C
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B8ZS line code is selected  
Latching Loopback  
T1  
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When using a PC with terminal software, be sure to disable any power saving  
programs.  
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Allows only standard T1 testing  
FT1  
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Allows for fractional T1 testing  
WARRANTY  
External Alarm  
Enabled  
Warranty for Carrier Networks products manufactured by ADTRAN and supplied  
under Buyers order for use in the U.S. is ten (10) years. For a complete copy of  
ADTRANs U.S. Carrier Networks Equipment Warranty:  
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External alarm is enabled  
Disabled  
External alarm is disabled  
C A U T I O N !  
(877) 457-5007, Document #414.  
SUBJECT TO ELECTROSTATIC DAMAGE  
OR DECREASE IN RELIABILITY.  
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HANDLING PRECAUTIONS REQUIRED.  
For complete Installation and Maintenance: (877) 457-5007, Document #300. Please have your fax number available.  
 

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