NEC Univerge SV9100 - Figure 9-170 2-Wire Connections; Table 9-8 IP Video Doorphone Cable Terminals

Issue 3.0
SV9100 System Hardware Manual 9-173
3. Cable Terminals
The device connected to the Doorphone contacts cannot exceed the
contact ratings shown in the following table:
Table 9-8 IP Video Doorphone Cable Terminals
Cable Terminal Terminal Name Remarks
AO+
Not Used
AO-
Not Used
NC
Normally Closed
C
Common
NO
Normally Open
Figure 9-170 2-Wire Connections
The 2-wire is run down the hole in the cable terminal.
WARNING
Do not run the AC power cable within 30cm (11.8 in) of
the unit. The noise may cause a malfunction.
Table 9-9 Doorphone Specifications (Relay)
Doorphone Specifications (Relay)
Contact Configuration Normally Open or
Normally Closed
Maximum Load 1A@DC24V