ISSUE 3.0
• The connected extension must be SLT (Single Line Telephone).
• Hardware switch (J6) must be set from "KT" to "PF" side (default: KT) when use the Power failure
transfer circuit.
• Refer to
Power Failure Transfer on page 2-17
3.5.2 Power Failure Setting
Hardware switch (J6) must be set from "KT" to "PF" side (default: KT) when use the Power failure
transfer circuit.
1.
Use Needle-nose pliers to change the switch position of "J6" from "KT" to "PF" as below.
(Default: KT)
2.
Connect SLT to the extension port No. 16/24/32.
Hardware Manual
for Power Failure Transfer of 408M-A1.
J6
PF
KT PF
PF
Multiline
Port
Port
Telephone
Figure 2-83 PF/KT Switch of 408E-A1
KT
PF
Multiline
Telephone
SL1000
2-59