Remote Provisioning And Diagnostics; Figure 5. Dds Trouble Codes; Table 3. Latching Loopback Activation Sequence; Table 4. Alternating Loopback Activation Sequence - ADTRAN Total Reach DDS-DP 5 Series Installation And Maintenance Manual
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Table 3. Latching Loopback Activation Sequence
S
e
q
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n
c
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B
F
F
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F
F
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. k
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Table 4. Alternating Loopback Activation Sequence
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q
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n
e c
F
F
F
F
F
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n
n
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p o
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a
d n
s e t
f t
r o
t i b
r e
o r
s r
C
e l
r a
o l
p o
a b
k c
X
=
D
o
t ' n
a c
e r
t i b
The TR DDS-DP will respond to a loopback
command initiated at the TROCU-R as follows:
• Pressing the TROCU-R LBK pushbutton once
will initiate a loopback at the TR DDS-DP
towards the customer. See Figure 6.
61433105L2-5D
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Section 61433105L2, Issue 4
Channel Bank
f o
Alternating
MOS 9Ah/ASC 9Eh
TR
DDS
e
e
e
e
d
d
d
d
e
d
DP
f o
t y
s e
Channel Bank
f o
ASC 9Eh
DDS
t y
s e
Figure 5. DDS Trouble Codes
This allows data to be sent from the remote end to test
f o
the local loop and the TROCU-R. This loopback is
b
t y
s e
indicated by a flashing CUST LED on the TROCU-R
and a solid CUST LED on the Total Reach DDS-DP.
f o
• Pressing the LBK pushbutton a second time
t y
s e
initiates a loopback at the TROCU-R towards the
4-wire DDS (CPE) interface. See Figure 7.
h s
d e
A solid CUST LBK LED on the TROCU-R indicates a
loopback at the TROCU-R towards the customer
equipment.
• Pressing the TROCU-R LBK pushbutton a third
time disables all current latching loopbacks
initiated by the TROCU-R LBK pushbutton.
If errors exist the loopbacks can help determine the
source; either the local loop or the TROCU-R. During
f o
a remote end initiated loopback the Total Reach
system transmits ASC 9Eh towards the network,
indicating an out-of-service condition generated by the
remote end as shown in Figures 6 and 7.
4. REMOTE PROVISIONING AND
h t i
DIAGNOSTICS
Control Protocol
Remote access to provisioning and status information is
accomplished using ADTRAN Digital System 6 Message
s e t
protocol, defined in Control and Diagnostic Procedures
a b
k c
Practice, Section 6032991-6. Digital System 6 is
supported by the TPI 108/109 and 105 portable test set
and is supported by Hekimian React 2001 Release 1.900
remote test system. The Total Reach DDS network
elements comply with ANSI T1.107-1995, " Digital
Hierarchy Format Specifications Annex G" which allows
remote provisioning, querying, and performance
monitoring via in-band control of network elements.
Customer Premises
Open 2-wire Loop
TR
DDS-R
Customer Premises
Open 4-Wire Customer
ASC 9Eh
TR
TR
DDS-R
DP
DSU
Interface
DSU
5
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