elmeg C48m
Jumper for switchover
from internal to external
ISDN connection
Socket connector for
the fine overload
protection module FSM
Fig. 5: Cable terminal bay of the elmeg C48m
V.24 connection
External ISDN connection 4
Internal ISDN connection 1
o r
External ISDN connection 1
Internal ISDN connection 1
(Connection for NSP)
Functional grounding connection
(Ground)
Connection for
external music on hold
Analog connection
a/ b 1 ...a/ b 8
Call a.c. voltage for
central alarm
19