Telex ISP-100 manual Changing the Fuse, Changing the Battery, Schurter P/N Telex P/N

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Changing the Fuse

The universal switching power supply in the ISP-100 adapts to input voltages from 90 to 264 VAC, 50/60 Hz. To reduce risk of fire, replace only with same type fuse. The fuse holder is located under the security cover on the front panel.

The fuse is a standard 20mm X 5mm European type. The values used are as follows:

All countries using 220/240 VAC, except Australia, use a ½ A slow-blow fuse.

Schurter P/N: 0001.2501

Telex P/N: 51-04-052488

All countries using 100/120 VAC and Australia use a 1 A slow-blow fuse.

Schurter P/N: 0001.2504

Telex P/N: 51-04-051487

Changing the Battery

Figure 3-3Battery/module removal tool.

WARNING:

Disconnect AC power before changing the fuse. Failure to do so could result in a shock hazard.

WARNING:

Failure to install the proper fuse could result in damage to the unit, property, and loss of life.

The memory backup battery located under the security cover on the front panel has an expected life of four years. If the Host LED is blinking the battery needs to be changed.

CAUTION: The battery used in this device may present a risk of fire or chemical burn if mistreated. Do not recharge, disassemble, heat above 212°F (100°C) or incinerate. Replace battery with Renata CR2450N or MERLIN 40-02-052055 only. Use of another battery may present a risk of fire or explosion.

Be sure to change the battery with the unit on. If the unit is turned off, all of the setup information stored in the ISP-100 will be lost (i.e. the unit will return to factory default mode).

Leave the AC power connected and the ISP-100 turned on when changing a failed battery. Failure to do so will result in loss of data.

10 July 1998