
5.5.2 Connecting the Doorphone
Wire position for each port
Port position
ST6
ST7
ST6 or ST7
T
R
Doorphone
Modular cable
(2-wire, Straight)
T
R
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
Содержание SL1000
Страница 1: ...Hardware Manual A50 031170 001 GE ISSUE 3 0 November 2012...
Страница 12: ...MEMO SL1000 ISSUE 3 0 x Hardware Manual...
Страница 16: ...MEMO SL1000 ISSUE 3 0 R 4 Regulatory...
Страница 126: ...MEMO SL1000 ISSUE 3 0 3 8 System Start Up...
Страница 140: ...MEMO SL1000 ISSUE 3 0 4 14 Maintenance...
Страница 149: ...MEMO ISSUE 3 0 SL1000 Hardware Manual 5 9...
Страница 150: ...Hardware Manual NEC Corporation ISSUE 3 0...