ADTRAN ATLAS 550 Bedienungsanleitung Seite 137

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Seitenansicht 136
Chapter 10. Dedicated Maps
61200305L1-1 ATLAS 550 User Manual 10-7
Example 1 Setting Trunk Conditioning
The trunk conditioning process (see also, T1 Trunk Conditioning Service on
page 10-5) sets known values in the signaling bits and the data bits for out-
going DS0s which arecross-connectedto a T1port experiencingalarms. The
trunk conditioningprocess consists ofa 2.5-second transmission (indicating
call termination), followed by a continuous transmission (signaling the final
condition as chosen by the user).
Use thetrunk conditioning menuitems T1 F
AULT
S
IGNALING
(to set the state
ofthesignalingbits)andT1 T
ROUBLE
C
ODE
V
ALUE
(tosetthestateofthedata
bits) forthisprocess. You can set trunk conditioning foreach end ofeach T1-
to-T1 connection in a dedicated map. To simplify this procedure, use the
copy command (press C). Connections to the Network and connections to
User equipment (PBX) contain different signaling bit states.
For this example, assume voice traffic is received on T1-A, and T1-B is
groomedontoT1-CtothePBX(seeFigure10-3).IfT1-Afails,theDS0swhich
were cross-connected to T1-C will receive trunk conditioning.
Figure 10-3. Trunk Conditioning
Example 2 Creating A Dedicated Map
Any ATLAS 550 port supporting dedicated bandwidth can be mapped to
any other port supporting dedicated bandwidth. A dedicated map defines
connections for dedicated bandwidth between ports and also grooms and
cross-connects bandwidth between T1 ports. For this example, the central
ATLAS 550 is equipped as shown in Figure 10-4.
Figure 10-4. ATLAS 550 with Modules Installed for Example 2
Example 2 (see Figure 10-5) contains three T1s (T1-A, T1-B, T1-C)that sup-
port dedicatedbandwidth from three remote sites.Each remote T1 includes
DS0sforvoice(1-8)anddata(9-24).Atthecentralsite(theATLAS550),each
PBX
T1-A
T1-B
T1-C
POWER
REMOTE
ERROR
TEST
OK
TEST
ONLINE
STATUS
ERROR
TEST
OK
CRAFT
ACO
ALARM
ALARM
1
2
NETWORK
1
2
3
4
MODULES
SYSTEM
ETHERNET
ATLAS 550
NETWORK 1 NETWORK 2
1
2
3
4
ETHERNET
CONTROL
IN OUT
RELAY
ALARM
OI
FUSE RATING: 2A/250V SLO-BLO
90-240VAC, 2A, 50/60Hz
NC
NO
COM
GND
ALL EMPTY SLOTS MUST BE
COVERED WITH BLANK PANELS
CAUTION: FOR CONTINUED PROTECTION
AGAINST RISK OF FIRE, REPLACE ONLY
WITH SAME TYPE AND RATING OF FUSE.
MON
NETWORK
IN
OUT
IN
OUT
NETWORK
MON
T1 NETWORK MODULE
TEST
500 Series
OI
NETWORK
IN
OUT
IN
OUT
NETWORK
MON
T1 NETWORK MODULE
TEST
500 Series
500 Series
PORT 1 PORT 2
DUAL V.35
500 Series
PORT 1 PORT 2
DUAL V.35
500 Series
500 Series
DUAL T1/PRI
MON
1
2
Seitenansicht 136
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