ADTRAN 239 H4R Brochure

239 H4R STATUS LEDs
LP1/LP2 NET
CLEI: T1R5YP3D_ _
239 H4R
1221445L1
LP1
NET
LP2
LP1
LP1/LP2 CUST
CUST
LP2
LL RL
/
(Y) (G)
LL/RL
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.
Off No span power present
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 H4TU-C
Slow Blinking (Blinking 1 time per second) Synchronized with an SNR margin
Green greater than the user defined SNR Margin Alarm Threshold and the
pulse attenuation is greater than the user defined Loop Attenuation
Alarm Threshold
Solid Yellow Synchronized with an SNR margin greater than 0 dB but less than
the user defined SNR Margin Alarm Threshold
Slow Blinking Synchronized with an SNR margin greater than 0 dB but less than the
Yellow user defined SNR Margin Alarm Threshold and the pulse attenuation
is greater than the user defined Loop Attenuation Alarm Threshold
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 and the pulse attenuation is greater than the user defined Loop
Attenuation Alarm Threshold
Off No span power present
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 H4TU-R
Slow Blinking (Blinking 1 time per second) Synchronized with an SNR margin
Green greater than the user defined SNR Margin Alarm Threshold and the
pulse attenuation is greater than the user defined Loop Attenuation
Alarm Threshold
Solid Yellow Synchronized with an SNR margin greater than 0 dB but less than the
user defined SNR Margin Alarm Threshold
Slow Blinking Synchronized with an SNR margin greater than 0 dB but less than the
Yellow user defined SNR Margin Alarm Threshold and the pulse attenuation
is greater than the user defined Loop Attenuation Alarm Threshold
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 and the pulse attenuation is greater than the user defined Loop
Attenuation Alarm Threshold
Green Indicates a loopback at the H4R toward the H4TU-R is active
Yellow Indicates a loopback at the H4R toward the H4TU-C is active
Blinking Armed but not in loopback.
Yellow
For a complete Installation and Maintenance Practice (P/N 61221445L1-5) faxback: (877) 457-5007, faxback Document 755. Please have your fax number ready.
239 H4R
CARD EDGE PIN ASSIGNMENTS
Pin No. Designation
1
2
3
4
5
6
LOOPBACK AND CONTROL CODES
Refer to the Installation and Maintenance Practice of the H4TU-C or H4TU-R used in
the circuit for a list of loopback codes.
Description Pin No. Designation
GND Ground 7
NC No Connection 8
T1 Customer Loop 1 Tip 9
R1 Customer Loop 1 Ring 10
T1 Network Loop 1 Tip 11
R1 Network Loop 1 Ring 12
JOB
A
ID
61221445L1-22B
0205
Description
NC No Connection
T Network Loop 2 Tip
R Network Loop 2 Ring
GND Ground
T Customer Loop 2 Tip
R Customer Loop 2 Ring