ADTRAN Network Card PSD 239 H2R User Manual

JOBAID  
ENHANCED PSD 239 H2R  
61221045L2-22A  
0111  
STATUS LEDs  
LOOPBACK AND CONTROL CODES  
239 H2R  
FUNCTION  
CODE  
RESPONSE  
H2TU-C and H2R will arm and the H2TU-R will loop-up toward the network  
DSL NET Off  
No synchronization with the H2TU-C  
CLEI: T1R6VJWD_ _  
ARM (in-band)  
11000 (binary)  
Solid Green Synchronized with an SNR margin greater than the user defined SNR  
Margin Alarm Threshold  
ARM (ESF Data Link)  
FF48 (hex) or 1111 1111  
0100 1000 (binary) sent H2TU-C and H2R will arm and the H2TU-R will loop-up toward the network  
in the Facility Data Link H2TU-R will only loop if the NIU option is enabled  
Fast Blinking (Blinking 3 times per second) Attempting to synchronize with the  
Green  
H2TU-C  
Disarm (in-band)  
11100 (binary)  
All units are removed from the armed state and loopbacks will be released  
Slow Blinking (Blinking 1 time per second) Synchronized with an SNR margin greater  
Disarm (ESF Data Link)  
FF24 (hex) or 1111 1111  
Green  
than the user defined SNR Margin Alarm Threshold and the pulse  
attenuation is greater than the user defined Loop Attenuation Alarm  
Threshold  
0010 0100 (binary) sent in All units are removed from the armed state and loopbacks will be released  
the Facility Data Link  
1
H2TU-C Network Loop-Up D3D3 (hex) or  
If received while in an armed state, the H2TU-C will loop toward the network,  
transmit 2 seconds of AIS(all 1s) followed by 5 seconds of loop code (D3 hex)  
and then 231 logic errors will be injected toward the network. The logic errors  
will continue to be sent in 231 bit error bursts every 20 seconds as long as the  
pattern continues to be detected by the H2TU-C. When the pattern is removed,  
the unit will remain in loopback.  
1101 0011 1101 0011  
Solid Yellow Synchronized with an SNR margin greater than 0 dB but less than the user  
(binary)  
defined SNR Margin Alarm Threshold  
Slow Blinking Synchronized with an SNR margin greater than 0 dB but less than the user  
Yellow (1/sec) defined SNR Margin Alarm Threshold and the pulse attenuation is greater  
than the user defined Loop Attenuation Alarm Threshold  
Loopdown w/out  
9393 (hex) or  
Automatically releases without disarming any H2TU-C and H2R that may be in  
2
disarming  
1001 0011 1001 0011 (binary) loopback toward the network.  
Solid Red  
Synchronized with an SNR margin of 0 dB  
1
Loopback Query  
D5D5 (hex) or  
Allows one to query the devices at any given time to determine whether any  
1101 0101 1101 0101 (binary) units are in loopback. If D5 hex is received while in a loopback state, the unit in  
question will transmit the logic error count toward the network using the same  
methodology as identified in each of the loop-up descriptions (231 BE = H2TU-C,  
10 BE = H2R1, 200 BE = H2R2 and 20 BE = H2TU-R).  
Slow Blinking (Blinking 1 time per second) Synchronized with an SNR margin of 0 dB  
Red  
and the pulse attenuation is greater than the user defined Loop  
Attenuation Alarm Threshold  
Query Loop Parameters  
DBDB  
If the units are armed, and the H2TU-C is in network loopback, errors are  
injected into the DSX-1 signal upon detection of the query loop parameters  
pattern. As long as a pattern continues to be sent, errors are injected again  
every 20 seconds. The number of errors injected each time depends on the  
current status of signal quality and pulse attenuation parameters on each  
loop. 111 errors are injected if all HDSL receiver [points (H2TU-C LP1/LP2,  
H2R #1 NET LP1/LP2, H2R #1 CST LP1/LP2, H2R #2 NET LP1/LP2, H2R #2 CST  
LP1/LP2, and H2TU-R LP1/LP2) indicate pulse attenuation is 30 dB or lower and  
signal quality (margin) is 6 dB or higher. 11 errors at a time are injected if any  
of the 12 receiver points indicate pulse attenuation is greater than 30 dB  
and/or signal quality (margin) is less than 6 dB.  
DSL CUST Off  
No synchronization with the H2TU-R  
(1101 1011 1101 1011)  
Solid Green Synchronized with an SNR margin greater than the user defined SNR  
Margin Alarm Threshold  
Fast Blinking (Blinking 3 times per second) Attempting to synchronize with the  
Green  
H2TU-R  
Slow Blinking (Blinking 1 time per second) Synchronized with an SNR margin greater  
Green  
than the user defined SNR Margin Alarm Threshold and the pulse attenu  
ation is greater than the user defined Loop Attenuation Alarm Threshold  
Loopback Time-Out  
D5D6 (hex) or  
1101 0101 1101 0110  
(binary)  
If received during the armed state and prior to loopback initiation, the loopback  
timeout override feature will automatically disable loopback timeout, i.e., the  
loopback will not timeout after the 120 minute default period. As long as the  
units remain armed, the timeout will remain disabled. When the units are  
disarmed, the loopback timeout will once again return to the default value.  
Solid Yellow Synchronized with an SNR margin greater than 0 dB but less than the user  
1, 3  
Override  
defined SNR Margin Alarm Threshold  
Slow Blinking Synchronized with an SNR margin greater than 0 dB but less than the user  
Yellow (1/sec) defined SNR Margin Alarm Threshold and the pulse attenuation is greater  
than the user defined Loop Attenuation Alarm Threshold  
1, 3  
Span Power Disable  
6767 (hex) or  
If received during an armed state (must not be in loopback), the H2TU-C will remove  
0110 0111 0110 0111 (binary) span power toward the line. As long as the pattern is received, the span power will  
remain disabled. Once the pattern is no longer received, the H2TU-C will reactivate  
span power. All units will then re-train and return to the disarmed state.  
Solid Red  
Synchronized with an SNR margin of 0 dB  
Slow Blinking (Blinking 1 time per second) Synchronized with an SNR margin of 0 dB  
Red  
1
H2R1 Network Loop-up  
C741  
If an H2R is present and units armed, the H2R will loop up toward network, 2  
seconds of AIS (all 1s) will be sent, 5 seconds of data will pass, and then 10 bit  
errors will be injected into the DSX-1 signal. As long as the pattern continues to  
be sent, 10 errors will be injected every 20 seconds. When the pattern is  
removed, the unit will remain in loopback. If the pattern is reinstated, the  
injection of 10 bit errors will resume at 20-second intervals.  
and the pulse attenuation is greater than the user defined Loop  
Attenuation Alarm Threshold  
(1100 0111 0100 0001)  
LL/RL  
Green  
Yellow  
Indicates a loopback at the H2R toward the H2TU-R is active  
Indicates a loopback at the H2R toward the H2TU-C is active  
1
H2TU-R Loop-up  
C742  
ESF facility Datalink: ESF only; when sent from the network, an H2TU-R  
network loopback is activated and a 20-bit error confirmation is sent. When  
sent from the customer, an H2TU-R customer loopback is activated with a  
20-bit error confirmation.  
(1100 0111 0100 0010)  
ENHANCED PSD  
CARD EDGE PIN ASSIGNMENTS  
1 Units must be armed with 11000b or FF48h before this code will work.  
2 In order to behave like an NIU, the H2TU-R will not loop down from the network side with 9393h.  
3 This code will be detected only if the units are armed AND there are NO loopbacks active.  
GND  
The Enhanced PSD 239 H2R , P/N 1221045L2,  
must be used in conjunction with the Enhanced  
PSD T200 H2TU-R, P/N 1222026L9. This H2R  
will not function with any other H2TU-Rs. The  
Enhanced PSD T200 H2TU-R will function with  
all versions of the ADTRAN H2R, but the  
NC  
CUSTOMER  
SIDE 1  
NOTE: All codes listed above must be sent for a minimum of 5 seconds in order for them to be detected and acted  
upon.  
NETWORK  
NC  
*If NIU is enabled, then the H2TU-R can be in network loopback when the H2TU-C or H2R loop-up codes are sent.  
NETWORK  
enhanced spectral performance will only be  
achieved using the Enhanced PSD 239 H2R.  
SIDE 2  
BYPASS  
GND  
C A U T I O N !  
CUSTOMER  
SUBJECT TO ELECTROSTATIC DAMAGE  
OR DECREASE IN RELIABILITY.  
HANDLING PRECAUTIONS REQUIRED.  
For a complete Installation and Maintenance Practice faxback: (877) 457-5007, Document # 742. Please have your fax number available. ■  
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