LBI-39224
3-43
T1/E1 Channel Assignment
T1/E1 logical channels are assigned starting with channel 1, these are
the channels used to transmit voice, data, and image signals from one
system node to another. E1 channel 16 is used for signaling if signaling
is enabled. (See "Signaling Type" under T1/E1 Digital Site
Configuration above.) Subrate ports for user data are assigned channels
adjacent/after logical channels according to the table below.
Asynchronous (async) ports, up to 5, are assigned first and then
synchronous (sync) ports are assigned.
Table 2 Subrate Port Assignments for Analog/Modem Mode
Free Channels (Per Card)
Subrate Port Auto-configuration*
0
no subrate ports available
1
port 1 = async
ports 2 - 8 = not available
2
port 1 = async
ports 2 - 5 = sync
ports 6 - 8 = not available
3
ports 1 & 2 = async
ports 3 - 5 = sync
ports 6 - 8 = not available
4
ports 1 - 3 = async
ports 4 & 5 = not available
ports 6 - 8 = sync
5
ports 1 - 4 = async
port 5 = not available
ports 6 - 8 = sync
>5
ports 1 - 5 = async
ports 6 - 8 = sync
* "sync" = subrate port set for synchronous operation
"async" = subrate port set for asynchronous operation
Subrate Port Channel Assignment
Asynchronous subrate ports require an individual channel assignment
for each port, however, up to five synchronous subrate ports can be
packed in one T1/E1 channel using DS0B subrate multiplexing. Based
on hardware considerations at the T1/E1 Interface Card, sync ports 1 - 5
and 6 - 8 would be packed in pre-assigned DS0B "sub-channels" as
shown below.
Summary of Contents for LBI-39224
Page 1: ...LBI 39224 ericssonz Operations Guide EDACS CEC IMC MANAGER Version 5 0 for Windows NT...
Page 2: ......
Page 6: ...LBI 39224 vi This page intentionally blank...
Page 16: ...LBI 39224 xvi This page intentionally blank...
Page 22: ...LBI 39224 1 6 This page intentionally blank...
Page 30: ...LBI 39224 2 8 This page intentionally blank...
Page 238: ...LBI 39224 3 208 This page intentionally blank...
Page 268: ...LBI 39224 4 30 This page intentionally blank...
Page 304: ...LBI 39224 D 2 This page intentionally blank...
Page 312: ...LBI 39224 E 8 This page intentionally blank...
Page 324: ...LBI 39224 G 12 This page intentionally blank...