Lucent Technologies DEFINITY Communications System Generic 2.2 And Generic 3 V2 DS1/CEPT1/ISDN PRI Reference Manual

DEFINITY Communications System Generic 2.2 and Generic 3 V2 
DS1/CEPT1/ISDN PRI Reference  
555-025-107  Issue 1
July 1993
Layers 2 and 3 
Page 5-5 ISDN PRI Layer 2 
5
G2.2 Layer 2 Termination
G2.2 trad itional mod ules use a sp ec ial DS1 b oard , the ANN35, to terminate ISDN 
PRI layer 2 sig naling . Firmware on this b oard  d oes all the layer 2 p roc essing . 
Bec ause this b oard  is d esig ned  sp ec ific ally to p roc ess ISDN PRI layer 2 
sig naling , however, it c annot b e used  for DS1 b it...

DEFINITY Communications System Generic 2.2 and Generic 3 V2 
DS1/CEPT1/ISDN PRI Reference  
555-025-107  Issue 1
July 1993
Layers 2 and 3 
Page 5-6 ISDN PRI Layer 2 
5
— Add a data module of the type procr-intf
, and  its extension and 
assig n it to the p ort (p hysic al c hannel) on the PI b oard (s) (p orts 1- 
8) to whic h you want the D c hannel to c ommunic ate.
— Use the c ommand change communication-interface links
 to 
d isp lay the interfac e links form. Ad minister the link c orresp ond ing...

DEFINITY Communications System Generic 2.2 and Generic 3 V2 
DS1/CEPT1/ISDN PRI Reference  
555-025-107  Issue 1
July 1993
Layers 2 and 3 
Page 5-7 ISDN PRI Layer 2 
5
the network sid e and  the slave sid e is c alled  the user sid e. If the ECMA layer 3 
p eer p rotoc ol is used , the layer 2 terms are master and  slave in G3V2. In all 
DEFINITY systems ad ministration exists to c ontrol the master-slave/user-network 
status of the interfac e. In G2.2, you ad minister the layer 2 user-network protoc ol...

DEFINITY Communications System Generic 2.2 and Generic 3 V2 
DS1/CEPT1/ISDN PRI Reference  
555-025-107  Issue 1
July 1993
Layers 2 and 3 
Page 5-8 ISDN PRI Layer 3 
5
peer-slave
, the layer 2 p rotoc ol op erates the same as user
. See the 
sec tion ‘‘User-Network and  Peer Protoc ols’’
 for further exp lanation on the 
layer 3 p rotoc ol.
NOTE:
When a G3V2 DS1/CEPT1 interfac e ad ministered  with a user-network 
p rotoc ol is c onnec ted  to a G2.2 interfac e, the G3V2 interfac e must b e 
administered...

DEFINITY Communications System Generic 2.2 and Generic 3 V2 
DS1/CEPT1/ISDN PRI Reference  
555-025-107  Issue 1
July 1993
Layers 2 and 3 
Page 5-9 ISDN PRI Layer 3 
5
AT&T personnel attemp ting  to imp lement ISDN PRI c apab ilities. The sub jec ts 
c overed  in the CCITT, AT&T network, and other glob al ISDN PRI sp ec ific ations 
serve as the temp late for the subjec ts in this c hap ter.
ISDN PRI layer 3 is the p rotoc ol d efining  the p roc ed ures for using  a set of 
messag es to estab lish,...

DEFINITY Communications System Generic 2.2 and Generic 3 V2 
DS1/CEPT1/ISDN PRI Reference  
555-025-107  Issue 1
July 1993
Layers 2 and 3 
Page 5-10 ISDN PRI Layer 3 
5
nAUSTEL (the Australian Stand ard s Institute) TS 014.1/1990; PRI 
Connec tion Volume I: Interfac e Sp ec ific ation for Layers 1,2, and  3.LI
nECMA 143 Basic  Circ uit Switc hed  Call Control
nETSI (the Europ ean Telec om Stand ards Institute) ETS 300102-1; ISDN 
User-Network Interfac e Layer 3 Sp ec ific ation for Basic  Call Control...

DEFINITY Communications System Generic 2.2 and Generic 3 V2 
DS1/CEPT1/ISDN PRI Reference  
555-025-107  Issue 1
July 1993
Layers 2 and 3 
Page 5-11 ISDN PRI Layer 3 
5
nIf NFAS is ad ministered , a sing le D c hannel c an c ontrol up to 479 B 
c hannels on any c omb ination of interfac es anywhere in the rest of the 
system. For examp le, a D c hannel c an b e ad ministered to c ontrol only the 
other 23 B c hannels on the same interfac e, yield ing  the same results as if 
NFAS is not ad ministered ,...

DEFINITY Communications System Generic 2.2 and Generic 3 V2 
DS1/CEPT1/ISDN PRI Reference  
555-025-107  Issue 1
July 1993
Layers 2 and 3 
Page 5-12 ISDN PRI Layer 3 
5
1. Ad minister the ISDN interfac e (c irc uit p ac k) loc ations in p roc ed ure 260, 
word 1.
— If you want this interfac e to c ontain 24 B c hannels, assig n a 1
 in 
field  7.
— If you want this interfac e to c ontain a D c hannel, assig n a 0
 in field  
7.
2. Assig n the D c hannel g roup  numb ers in p roc ed ure 262, word  2....

DEFINITY Communications System Generic 2.2 and Generic 3 V2 
DS1/CEPT1/ISDN PRI Reference  
555-025-107  Issue 1
July 1993
Layers 2 and 3 
Page 5-13 ISDN PRI Layer 3 
5
G3V2 FAS/NFAS Implementation
FAS and  NFAS in G3V2 is imp lemented in the DS1 c irc uit p ac k form, the 
sig naling  g roup  form, and  the ISDN PRI trunk g roup  form. If you ad minister 
isdn-pri
 in the Signaling Mode
 field  on the DS1 c irc uit p ac k form, then the 
c hannels on that interfac e will c onsist of 23 DS1 or 30 CEPT1 b...

DEFINITY Communications System Generic 2.2 and Generic 3 V2 
DS1/CEPT1/ISDN PRI Reference  
555-025-107  Issue 1
July 1993
Layers 2 and 3 
Page 5-14 ISDN PRI Layer 3 
5
The following list describes how to implement ISDN PRI signaling in G3V2:
nNFAS and  D c hannel b ac kup  are not sup ported  unless the c ountry 
p rotoc ol is 1
 (U.S.) in the DS1 c irc uit p ac k form for the b oard s c ontaining  
the p rimary and  sec ond ary D c hannels.
nAd minister the sig naling  mode in the DS1 c irc uit p ac k...