NEC SL1100 Installation Instructions Manual page 6

Door‐Phone Box Install Instructions and Specifications on NEC SL1100:
1. Remove the screw on the front of the Door‐phone Box.
2. Remove the Wall‐Mount bracket from the Door‐phone Box.
3. Connect the cable to the screw terminals marked and on the
L
Door‐phone box. is NOT used. (Not polarity sensitive) See fig. 1
4. Mount the Wall‐Mount bracket on the wall using supplied screws.
5. Replace the Upper housing and tighten the screw.
6. The Door‐phone Box can only connect to Analog Port 3 or 4 on the
RJ61 connector for analog extensions.
7. There is a limit of TWO (2) Door‐Phone Boxes per KSU with a total of
SIX (6) between three different KSU's.
8. Before plugging in any Door‐Phone Box, make sure all KSU and/or
Expansion Cabinets are fully powered down. (This goes for all
Multi‐Line Phones, Single Line Phones, and DSS Consoles)
9. See fig. 2 for a connection guide.
Installing the Door Unlock Device(s):
1. A maximum of TWO (2) Door Unlock Devices can be installed
per ONE (1) SL1100 KSU.
2. See fig. 3 for an illustration of where to connect the RJ61
Connector to the RY 1‐2 Port on the NEC SL1100 KSU.
Door Phone‐Box Specifications for Unlock Device(s):
The following chart shows the Door Phone‐Box interface specifications:
Item
Output Impedance
Output Level
Maximum Output
The following chart shows the pin outs for the RJ61 Cable Connector:
This chart shows the General Purpose/ Door Unlock Specifications:
Item
Rated Voltage
Rated Current
Contact
Specification
600 Ω
Nominal 250 mV (‐10 dBm)
400 mV RMS
Pin No. Connection
1 Door 2
2 Door 1
3 Relay 2
4 Relay 1
5 Relay 1
6 Relay 2
7 Door 1
8 Door 2
Specification
DC 48 V Maximum
DC 320 mA Maximum
Normally Open
fig. 1
I
fig. 2
fig. 3
I
and