TM11-458 COMMON-BATTERY TELEPHONE EQUIPMENT
INDEX
SECTION I - General
SECTION II - Comparison of local-battery and common-battery systems
SECTION III - The common-battery telephone
SECTION IV - Subscriber loops
SECTION V - Telephone relays
SECTION VI - Common-battery line circuits
SECTION VII - Common-battery cord circuits
SECTION VIII - Trunk circuits
SECTION IX - Selective ringing
SECTION X - Auxiliary circuits
SECTION XI - Distributing frames
SECTION XII - Central office protection
SECTION XIII - Power equipment
SECTION XIV - Nonmultiple and multiple switchboards
SECTION XV - Commercial manual switching
APPENDIX I AND II
INDEX

SECTION III - The common-battery telephone
SECTION VI - Common-battery line circuits
SECTION VII - Common-battery cord circuits

Created: 08-20-2009
Last Update: .