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Install and Wire Telephone Power Supplies
Issue 10 June 2005 113
1151B1 and 1151B2 Power Supplies
The 1151B1 and 1151B2 power supplies are a local power supply. The telephones or consoles
connect directly to them through an RJ45 connector. The 1151B2 has a battery backup.
These power supplies comply with the Underwriters Laboratories Inc. (UL) Standard UL
60950 third edition.
For safety instructions, see Important Safety Instructions for 1151B1 and 1151B2 Power
Supplies on page 113. For installation instructions, see Connect the 1151B1 or 1151B2 Power
Supplies on page 114.
Important Safety Instructions for 1151B1 and
1151B2 Power Supplies
Please read the following helpful tips. Retain these tips for later use.
When using this power supply, the following safety precautions should always be followed to
reduce the risk of fire, electric shock, and injury to persons.
● Read and understand all instructions.
● Follow all warnings and instructions marked on this power supply.
● This product can be hazardous if immersed in water. To avoid the possibility of electrical
shock, do not use it near water.
● To reduce the risk of electric shock, do not disassemble this product except to replace the
battery.
● This product should be operated only from the type of AC power source indicated on the
label. If you are not sure of the type of AC power being provided, contact a qualified
service person.
● Do not allow anything to rest on the power cord. Do not locate this product where the cord
will be abused by persons walking on it.
● Do not overload wall outlets and extension cords as this can result in the risk of line or
electric shock.
Table 18: 1151B1 and 1151B2 Power Supply UL 60950 Compliance
Complies UL 60950
Certified CSA 22.2
Approved EN6950
Approved CE