T1-E1 Conversion Application; Iad Using T1/E1 Conversion - Zhone IMACS 8000 User Manual

Applications
4.2.6

T1-E1 Conversion Application

The Digital Access and Cross-connect System (DACS) capabilities and the signaling and
companding conversion features of the Integrated Access System can be used to provide
gateway functionality between a DS1 transport network and an E1 transport network. See
Figure 4-3 for an illustration of this capability.
DS1
Transport
Network
Depending on the application, the signaling conversion can be set by the user to ITU-to-ANSI;
ANSI-to-ITU or None. Similarly, the companding can be set by the user to A-Law-to-µ-Law;
µ-LAW-to-A-Law or None. As shown in the figure above, each WAN card must be configured
with one port for DSX1 and one for CEPT. A cross connection circuit must be made for each
DS1 to E1 DSO re-assignment. Time Slots 0 and 16 cannot be used on the E1 link. Time slot
0 is used for timing and time slot 16 is used for Channel Associated Signaling (CAS). TS16
is available in data-only applications.
Reference Guide
W1-1
IAD
W2-1
W3-1
W4-1
Figure 4-3.IAD using T1/E1 Conversion
W1-2
W2-2
Transport
W3-2
Network
C
M O
G R
R
W4-2
Voice Modules
E1
4-7