Thursday, July 22, 2010

Power Supplies

PWR1 Power Supply Option (901034-01)

The -PWR1 Desktop Power Supply option provides filtered operating power for 7810, 7310/7320 VoIP telephones, 8810U, 8610U/8620U, 6210U/6220U ISDN Telephones, and NT1B-300TC, NT1U-220TC ISDN Network Terminations.

Older 6210U/6220U phones without an integrated power jack require the -PWR2 or -PWR3 Power Supply option when locally powered.

Input: 100-240 VAC, 50-60 Hz, 0.3 A; 7.5 ft. cord
Output: 48 VDC, 0.25 A; 6 ft. cord
UL Listed

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-PWR2 Power Supply Option (901050)
 
The -PWR2 Desktop Power Supply option provides filtered operating power for ISDN telephones and NT1 ISDN Network Terminations on pins 7 and 8 of the line cord (PS2 power arrangement) via an attached modular adapter. This power supply has sufficient capacity to power one NT1 and two ISDN telephones.

This model requires an eight-pin wall line jack. An alternative power supply, model -PWR3, is available for applications with a six-pin wall jack.

For NT1B-300TC, NT1U-220TC, 8810U, 8610U/8620U, and newer 6210U/6220U models with an integrated power jack, the -PWR1 Power Supply is recommended.

The -PWR2 is a direct replacement for the discontinued model 901042.

Input: 120 VAC, 60 Hz, 0.3 A; 7.5 ft. cord
Output: 48 VDC, 0.25 A; 6 ft. cord
UL Listed

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-PWR3 Power Supply Option (901052)


The -PWR3 Wall-Mount Power Supply option provides filtered operating power for ISDN telephones and NT1 ISDN Network Terminations on pins 7 and 8 of the line cord (PS2 power arrangement) via an attached modular adapter. This power supply has sufficient capacity to power one NT1 and two ISDN telephones.
This model is an alternate to the -PWR2 desktop model. It allows connection to a six-pin or eight-pin modular wall jack by using the appropriate line cord.

For NT1B-300TC, NT1U-220TC, 8810U, 8610U/8620U, and newer 6210U/6220U models with an integrated power jack, the -PWR1 Power Supply is recommended.

Input: 120 VAC, 60 Hz, 0.75 A max.
Output: 48 VDC, 625 mA
UL Listed
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PS-50 ISDN Power Supply

The PS-50 is a rack- or wall-mountable bulk power supply for powering ISDN telephones and NT1 Network Terminations.

Fifty -48 VDC output connections are provided. Each output has self-resetting current limiting protection at 250 mA. The total available output current is 2.8 A, which is suitable to power up to 50 Tone Commander ISDN telephones.

Optional NT1-200 Battery Backup Power Supply and NT1-200 Add-on Battery units can be added to the PS-50 to enable uninterrupted ISDN power during a power failure.

Input: 120 VAC, 60 Hz, 2 A max.
Output: -48 VDC, current limited at 250 mA per output pair, 2.8 A total (50 pairs)
UL Listed.

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