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Voice Frequency (VF) Products Technical Product Documentation
 
Document Title Filename Date
Conference Bridge
4201-00 4-Wire 4-Way and 4202-00 4-Wire 6-Way Conference Bridges LT420-100-202.pdf September 1999
4203-00 Master/Slave 4-Wire 6-Port Bridge LT420-300-202.pdf July 2001
4204-03 Master/Slave Bridge and 4204-11 Auxiliary Bridge LT420-403-202.pdf February 2006
Power Supplies & Fuse Panels
8410-48 Power Supply (120 VAC input, 48 VDC/250 mA output) LT841-048-004.pdf March 2000
8411-48 48 VDC (100mA) Power Supply LT841-148-003.pdf March 1999
8412-48 48 VDC (100 mA) Power Supply LT841-248-003.pdf March 2000
8422-00 Power Supply (48 VDC, 10-Amp) LT842-200-202.pdf November 2001
8548-00 Power Supply (24/48 VDC, 1.25-Amp) LT854-800-202.pdf February 2000
8548-13 48-Volt, 2.5-Amp Power Supply LT854-813-202.pdf February 2000
8551-80 Power Supply (48Vdc, 2.5 Amp) LT855-180-201.pdf September 2006
     
4285-00 Fuse and Distribution Module LT428-500-204.pdf July 1999
8481-12 Fuse and Alarm Panel LT848-112-202.pdf September 2006
Ring Generators
8500-00 30Hz Ringing Generator LT850-000-202.pdf October 2000
8502-00 and 8503-00 20Hz Ringing Generators LT850-200-201.pdf March 2000
8505-40 Sine Wave Ring Generator (10 Watt, 20Hz) LT850-540-201.pdf March 2000
Shelves, Enclosures, Adapter Modules
MA-4006, MD-4006 and MU-4006 Mounting Assemblies LTMA4-006-002.pdf June 2000
Type 400 Mounting Shelves LT040-001-002.pdf March 1999
400-3H Shelf LT040-03H-001.pdf March 1999
10A Apparatus Case LT010-A00-001-pdf August 1999
3192TP STS Test Plus (Streaker Card) LT319-2TP-201.pdf January 2000
4151 and 4152 Type 400 Card to MFT Mounting Adapter and Family of MFT-Compatible Module Assemblies LT415-100-001.pdf August 2000
Analog Voice Frequency Transmission Modules
401-00 4-Wire Line Amplifier LT040-100-208.pdf  March 1999
412-00 Pad and 412-01 Pad/Transformer Modules LT041-200-203.pdf November 2001
443-00 and 443-01 Term Sets LT044-300-203.pdf March 2002
7305-14 4W/2W Prescription Line Amplifier SF to E&M Module and 
7305-19W-4W/2W Prescription Line Amplifier SF to E&M Loopback Module
LT730-514-202.pdf December 1999
7305-30 2-Wire Loop Signaling Repeater, Loop Start Only LT730-530-202.pdf October 1999
7306-32 and 7534-01 Adaptive 2W-2W Repeater Modules LT730-632-203.pdf March 2002
7480-00 Special Service Interface Unit LT748-000-203.pdf December 1999
7535-00 2-Wire to 4-Wire Electric Hybrid Repeater LT753-500-202.pdf February 2002
Analog Data Transmission Modules & Mountings
7305-45 4/2-4 Data Channel Interface LT730-545-202.pdf October 1999
7305-46 Data Channel Interface with SC Generator LT730-546-203.pdf October 1999
829MA-6 and 829MB-6 Data Mountings LT829-MA6-001.pdf June 2001
829MA-7 and 829MB-7 Data Mountings LT829-MA7-001.pdf February 2000
Other
410-00 Transfer Relay Module LT041-000-202.pdf July 2006
428 Jack Panel Module LT042-800-021.pdf May 1999
8106-00 and 8106-01 Loudspeaker Sets LT810-600-204.pdf February 2000
 

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