NEC SL1000 - Power Failure Setting; Figure 2-83 PF;KT Switch of 408 E-A1

• 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 for Power Failure Transfer of 408M-A1.
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)
J6
PF
Port
PF KT PF KT
Multiline
Telephone
PF
Port
Multiline
Telephone
Figure 2-83 PF/KT Switch of 408E-A1
2. Connect SLT to the extension port No. 16/24/32.
ISSUE 3.0 SL1000
Hardware Manual 2-59