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2.
Insert the modular plugs of the extension line cords (2-wire/4-wire) into the extension modular
jacks on the KSU.
6
5
䂯
䂥
ST8
ST6 or ST7
T
L
R
H
L
T
R
ST6 or ST7
T
R
T
R
H
Multiline
Telephone
DSS Console
Doorphone
External
Sensor Device
SLT
Modular Cable
(4-wire, Straight)
Modular Cable
(2-wire, Straight)
KTS, DSS
SLT
Doorphone
300 m (984.3 ft)
1,125 m (3,691 ft)
150 m (492.1 ft)
Wire Position for each Port
Extension Port Position
ST1
ST2
ST8
ST6 or Doorphone/Sensor
T : Tip
R : Ring
H : High
L : Low
ST7 or Doorphone/Sensor
T
R
L
H
Modular
Plug
T: Tip
R: Ring
H: High
L: Low
Max cable length
(24AWG 0.5 mm)
Figure 2-22 Extension Cabling
While an Analog Telephone (port) is ringing or MW-lamp is flashing on an
Analog Phone (port), do not disconnect the phone from the port or connect
another type of the terminal to this port.
• DSS Console must be connected to the LAST PORT.
• Doorphone/External Sensor Device must be connected to the No. 6 or 7 PORT of each 408M-A1.
• The program setting is required when connecting a Doorphone/External Sensor Device.
1.6.5 Power Failure Transfer
1.6.5.1 General
In the event of AC power failure, the specified trunks are directly connected to the specified extension
ports as below. And SLT must be connected to the specified extension. The multiline telephone (4W)
does not work when connected to the specified extension port.
ISSUE 3.0
SL1000
Hardware Manual
2-17
Summary of Contents for SL1000
Page 1: ...Hardware Manual A50 031170 001 GE ISSUE 3 0 November 2012...
Page 12: ...MEMO SL1000 ISSUE 3 0 x Hardware Manual...
Page 16: ...MEMO SL1000 ISSUE 3 0 R 4 Regulatory...
Page 126: ...MEMO SL1000 ISSUE 3 0 3 8 System Start Up...
Page 140: ...MEMO SL1000 ISSUE 3 0 4 14 Maintenance...