
PRELIMINARY
XRT86SH328
309
REV. P1.0.6
28-CHANNEL DS1/E1 FRAMER/LIU WITH DS3 MUX & VT-MAPPER - SONET APPLICATIONS
BIT[4:0] - DS1/E1 Cross Connect Channel Select_Egress Direction[4:0]:
These READ/WRITE bit-fields are used to configure the Internal VT-Cross Connect.
More specifically, these READ/WRITE bit-fields are used to select which (of the 28 Egress Direction) T1/E1 Ports, that
this particular Receive VT-Mapper block will route (or direct) its Egress Direction T1/E1 Signal to.
The following table presents the relationship between the settings of these bit-fields and the resulting Cross-Connect
Configuration.
Cross Connect Configuration
DS1/E1 (C
ROSS
C
ONNECT
)
C
HANNEL
S
ELECT
[4:0]
R
ESULTING
P
ORT
THAT
THIS
R
ECEIVE
VT-M
APPER
BLOCK
WILL
DIRECT
ITS
T1/E1 T
RAFFIC
TO
C
OMMENTS
00000
No Clock or Data is output via Corresponding Egress
Direction T1/E1 Port
00001
Egress Direction T1/E1 Signal is routed to the Egress
Direction Output of T1/E1 Channel 1
00010
Egress Direction T1/E1 Signal is routed to the Egress
Direction Output of T1/E1 Channel 2
00011
Egress Direction T1/E1 Signal is routed to the Egress
Direction Output of T1/E1 Channel 3
00100
Egress Direction T1/E1 Signal is routed to the Egress
Direction Output of T1/E1 Channel 4
00101
Egress Direction T1/E1 Signal is routed to the Egress
Direction Output of T1/E1 Channel 5
00110
Egress Direction T1/E1 Signal is routed to the Egress
Direction Output of T1/E1 Channel 6
00111
Egress Direction T1/E1 Signal is routed to the Egress
Direction Output of T1/E1 Channel 7
01000
Egress Direction T1/E1 Signal is routed to the Egress
Direction Output of T1/E1 Channel 8
01001
Egress Direction T1/E1 Signal is routed to the Egress
Direction Output of T1/E1 Channel 9
01010
Egress Direction T1/E1 Signal is routed to the Egress
Direction Output of T1/E1 Channel 10
01011
Egress Direction T1/E1 Signal is routed to the Egress
Direction Output of T1/E1 Channel 11
01100
Egress Direction T1/E1 Signal is routed to the Egress
Direction Output of T1/E1 Channel 12
01101
Egress Direction T1/E1 Signal is routed to the Egress
Direction Output of T1/E1 Channel 13
01110
Egress Direction T1/E1 Signal is routed to the Egress
Direction Output of T1/E1 Channel 14
01111
Egress Direction T1/E1 Signal is routed to the Egress
Direction Output of T1/E1 Channel 15
10000
Egress Direction T1/E1 Signal is routed to the Egress
Direction Output of T1/E1 Channel 16