The listener 
################
# Filename......: listener.ora
# Created.......: created by SAP AG, R/3 Rel. >= 6.10
# Name..........:
# Date..........:
# @(#) $Id: //bas/720_REL/src/krn/tpls/ora/LISTENER.ORA#2 $
################
ADMIN_RESTRICTIONS_LISTENER = on
LISTENER =
(ADDRESS_LIST =
(ADDRESS =
(PROTOCOL = IPC)
(KEY = BWD.WORLD)
)
(ADDRESS=
(PROTOCOL = IPC)
(KEY = BWD)
)
(ADDRESS =
(COMMUNITY = SAP.WORLD)
(PROTOCOL = TCP)
(HOST = SAPDEV)
(PORT = 1521)
)
(ADDRESS =
(PROTOCOL = IPC)
(KEY = BW1.WORLD)
)
(ADDRESS =
(PROTOCOL = IPC)
(KEY = BW1)
)
(ADDRESS =
(COMMUNITY = SAP.WORLD)
(PROTOCOL = TCP)
(HOST = SAPDEV)
(PORT = 1527)
)
)
STARTUP_WAIT_TIME_LISTENER = 0
CONNECT_TIMEOUT_LISTENER = 10
TRACE_LEVEL_LISTENER = OFF
SID_LIST_LISTENER =
(SID_LIST =
(SID_DESC =
(SID_NAME = BWD)
(ORACLE_HOME = C:\app\Administrator\product\11.2.0\dbhome_1)
)
(SID_DESC =
(SID_NAME = BW1)
(ORACLE_HOME = C:\app\Administrator\product\11.2.0\dbhome_1)
)
)
ADR_BASE_LISTENER = C:\oracle\BW1\saptrace