NEC SL1000 - Connecting the Doorphone; Doorphone Interface Specifications; Installing the Door Unlock Devices; Table 2-23 Doorphone Interface Specifications

5.5.2 Connecting the Doorphone
Wire position for each port Port position
ST6ST7
ST6 or ST7
TR
Doorphone
Modular cable
(2-wire, Straight)
TR
Figure 2-128 Connecting the Doorphone
The Doorphone configuration is assigned using system programming.
The 3
rd
party Doorphone Boxes cannot be connected to the port.
5.5.3 Doorphone Interface Specifications
Table 2-23 Doorphone Interface Specifications
Item Specification
Output Impedance 600 Ω
Output Level Nominal 250 mV (-10 dBm)
Maximum Output 400 mV RMS
5.6 Installing the Door Unlock Devices
A maximum of two door unlock devices can be connected to each KSU.
ISSUE 3.0
SL1000
Hardware Manual 2-85