SEI Telephony Products
ISDN Premises Power
SEI Telephony Products
>  NT1's

• P230
• B300
>  PoweRack SERIES

• PR300e
• PR230e
• PR96e
>  DP SERIES

• DP140e
• DP240e
• DP700e
>  1145 REPLACEMENTS

• S1145B Battery Pack
• S1145R Power Unit
>  BATTERY PACKS

• BP-8U
• High Capacity Batteries
• Battery Replacement
   Program
>  STAND ALONE

• DP20B
• DP20B-E
• B300 Mounting Plate
• 1215B
>  ISDN DISTR. BAYS

• PDP30
• DM500
SEI is the leading supplier of uninterruptible power systems and NT1's for Digital Centrex (ISDN) customer premises equipment. All SEI units come fully assembled and ready to mount!

NT1's
NT1'sThe Only Industry Standard Network Termination Units.
Longest Warranty (5 Years) in the Industry

• B300 NT1 
• NT1 Mounting Plate (Securely holds 3 B300 NT1s)
• P230 Circuit Card NT1
PoweRack Series
PoweRack Series Integrated NT1 caging, DC power, battery backup and cable distribution are pre-assembled. Installation time is virtually eliminated!  Available in a variety of models depending on the number of phones, NT1 type and battery backup time required.  Field Expandable!
*NEW* OPTIONAL NETWORK MANAGEMENT PACKAGE (SNMP)

 • PR300e (up to 48 B300 NT1's and 96 phones)
• PR230e (up to 48 P230 circuit cards and 96 phones)
• PR96e (48 P230 circuit cards and 96 phones)
DP Series (Bulk Power)
DP SeriesProvides DC power to NT1's and phones in a small footprint with easy installation. Three different models power from 24 to 288 phones. Up to 8 hours of holdover time.
*NEW* OPTIONAL NETWORK MANAGEMENT PACKAGE (SNMP)

 • DP140e (up to 24 NT1's and 48  phones)
• DP240e (up to 48 NT1's and 96 phones)
• DP700e (up to 144 NT1's and 288 phones)
1145 Direct Replacements
1145 Direct ReplacementsThe S1145B battery pack and S1145R power unit are direct, snap-on replacements for failing legacy AT&T/Lucent 1145's. No rewiring is required. The S1145B monitors battery status to guarantee the holdover time of the battery.

• S1145B Battery Pack
• S1145R Power Unit
Battery Packs
Battery PacksExtends battery holdover time for critical applications and replaces failed batteries.

• BP-8U (8 Amp-hour battery pack)
• High Capacity Backup Batteries (25-90 Amp Hours)
Stand Alone
Stand Alone DP20B's power up to 3 NT1's and 6 phones with up to 4 hours of battery holdover time for stand alone installations.  For no battery backup, use the 1215B.

• DP20B (powers one NT1 and 2 multipoint phones)
• DP20B-E (up to 3 NT1's and 6 multipoint phones)
• NT1 Mounting Plate (Securely holds 3 B300 NT1s)
• 1215B (no battery; powers one NT1 and two mulitpoint phones)
ISDN Distribution Bays
ISDN Distribution Bays Allows in-house DC power systems to function as the power and backup source for telephones and NT1's. Allows incremental growth.  Mounts  in a rack or on the wall.

• PDP30 Bay (houses 10 distribution modules)
• DM500 Distribution Module

For order information or technical support call us at
800-765-4734
 or email us using our Contact Us form


    >  RELATED FILES

Online Powering Guide
A complete technical overview of ISDN premises powering.

Power Supply Adjustment Procedure
Network Management (SNMP) with the Power Management Package

System Engineering International, Inc. • 5115 Pegasus Court • Suite Q • Frederick, MD 21704
Voice: (301) 694-9601 • Fax: (301) 694-9608 • Email: info@seipower.com

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