T1 Networking between Two OS4K V7 Systems

[RICHTz]

Hello,

I have T1 Networking between two OS4K systems, T1 is working fine.

Node A Network
Node B User

but after some days 3 or 4, the T1 is down and i must restart Node B DIUT2 card to return work again if i change the configuration to be like that

Node A User
Node B Network

also i must restart Node B,

i notice that when i make change-refta and modify the error number to be maximum this number is decrease until reach to 0 after sometiems the T1 is down,

the same media is used between two systems(Avaya & AT&T) and its working fine.

Media is SHDSL & Fiber cables.

Any suggestions, Please.

Thanks

 

[sbcsu]

Display the trunk - DIS-TDCSU
Change the COP to add in these parameters
CHA-COP:XX,COPADD,RMSG&RRST;

Then any outages will automatically restart the trunk and those restarts that come in from the other side will be acknowledged.

 

[RICHTz]

Hello Sbcsu, thanks for your reply.

can you check please my conf. below and advise

Noda A:
ADD-TDCSU:NEW,1-01-121-0,10,10,0,10,1,10,10,"T1 Node B",0,ECMAV2,1,,NONE,,,,GDTR,N,TIE,NONE,N,0,,,,,,,10,MANY,1-1-31,0,1,1,EMPTY,10,5,N,,UNKNOWN,0,,SIDEA,16,8,1,10,,EC&G711&G729AOPT,,100,CIR,Y,TRADITIO,0,60,60,S1CONN,1&&23,N,1,60;

ADD-REFTA:CIRCUIT,1-1-121-0,0,N,N;

CHANGE-LWPAR:TMD,TMDMOS,60,FRAMEESF&BISUB8ON&BDETON,,30,4,10,10,10,300,260,3,7,,1,9,4;

ADD-COT:10,RCL&USD&KNOR&CEBC&CBBN&CBFN&IEVT&BLOC&LWNC&ROPT&NLCR&TSCS&DFNN&NLRD&LINO&LRPM&NOSD&NTON;
CHANGE-COT:10,COTADD,,S1CONN,;

ADD-COP:10,SDL&SFRM&L3AR&TIM1,,;
CHANGE-COP:10,COPADD,,,,S1CONN,;


Node B:
ADD-TDCSU:NEW,1-02-121-0,10,10,0,10,1,10,10,"T1 node A ",0,ETSI,8,,NONE,,,,GDTR,N,TIE,NONE,N,0,,,,,,,10,MANY,1-1-19,0,1,1,EMPTY,10,5,N,,UNKNOWN,0,,SIDEA,16,8,1,10,,EC&G711&G729AOPT,,2,CIR,Y,TRADITIO,0,60,60,S1CONN,1&&23,N,1,64;

ADD-REFTA:CIRCUIT,1-2-121-0,0,N,N;

CHANGE-LWPAR:TMD,TMDBOS,64,FRAMEESF&BISUB8ON&BDETON&NETUSER,,30,4,10,10;

ADD-COT:10,RCL&USD&KNOR&CEBC&CBBN&CBFN&IEVT&BLOC&LWNC&ROPT&NLCR&TSCS&DFNN&NLRD&LINO&LRPM&NOSD&NTON;
CHANGE-COT:10,COTADD,,S1CONN,;

ADD-COP:10,SDL&SFRM&L3AR&TIM1,,;
CHANGE-COP:10,COPADD,,,,S1CONN,;

 

[sbcsu]

CHA-COP:10,COPADD,RMSG&RRST;

Both sides should not be set to 'Side A'
One should be A and the other B

Both are not clocking (REFTA=0)

One side should provide clocking (REFTA=0)
Other side should get clock from the clocking provider (example REFTA=49)

Other than that I am not overly familiar with T1 (23 channel ISDN) as it is a North America version of Euro ISDN 30 Channel

 

[RICHTz]

for Cop parameter, change it for both sites, or only at one site.

Thanks

 

[sbcsu]

Both sides,
It acknowledges ISDN Restart messages and acts on them, so if there is a restart on one side it means the circuit will try and restart on both sides to come back and not just sit there waiting.

 

[RICHTz]

@SBCSU

T1 is down everyday after im activate COP parameters. and must make a restart to reworking again.

any advise.

Thanks