(SWX) D162968 Western Electric 5 station intercom / comms selector station. Pushbutton maintains contact at one of 5 positions. Each button has a DPDT switch. 12 position terminal strip mounted internally. Some internal wiring between switches. Wire in / out ports at top & bottom of back side. Includes label card. 6-3/8"W x 4-3/4"D x 13/16"H. Made in 1953. New in 55 year-old boxes. Naturally, built like a tank.
PT3815 Starlan Filter
(TM) PT3815 Valor Transformer PT3815 Starlan filter. 5/8" square x 3/8" high.
(TEL) 7388-00 Wescom / Rockwell 2 wire automatic ringdown module. The 7388-00 provides automatic ringing toward one of two lines when the instrument connected to one of these lines is placed in the off-hook condition. The 7388-00 is designed so that one loop can be operated ground-start with the other loop being in loop-start operation, or both loops can be in the same mode of operation.
NSN: 5905-01-036-8149.
• Power input: -24 or -48 vdc
9930 Precision Balance
Network
(TEL) 89-9930 Tellabs 9930 precision balance network. Plug-in sub-assemblies approximate the impedance of specific transmission facilities and equipment to provide precision balancing of terminating sets. Improving a set's trans-hybred loss reduces cross-coupling between the hybred's 4 wire transmit and receive paths. Includes complete data sheet and instructions.
$85 each
$35 each
Accuflash
(TEL) TES-166 Telephone Equipment Supply made this
Accuflash unit. Includes wiring diagram to your system. 1/2" x 1" x 2".
Modem Interface
(TEL) CH1812DCPH Cermetek modem / fax module is the
link between equipment circuit and telephone line. Our DAA
supports ON / OFF hook control, hook switch detect, ring indicator,
isolation and surge protection. All this in a 0.6" x 1" x 2" package.
Distributor price $49. Complete documentation available with purchase.
$5 each
$10 each
- $8 (3+)
Auto Hookswitch
(TEL) AFU-48 Paul Nelson Industries automatic hookswitch
flash unit is used to provide automatic, electronically controlled hookswitch flashes
for any PBX or Central Office
system. User pushes field mounted pushbutton to send fixed pulse duration to
system. Operates 24-48 vdc, 600ms flash
time. Limited quantity.
Ethernet Controller
(SIC) SMC91C90QFP SMC Single-Chip VLSI Ethernet Controller supports IEEE 802.3 (ANSI 8802-3) and
ethernet standards. A high performance 10-base-T node in a 144 pin QFP package.
Powers on single 5 vdc. Put an ethernet transceiver in any equipment giving
total access to a network of operational status.
700 units available.
$15 each
$15 each
- $12 (24+)
Remote Stations
Intercom System
(TEL) QUS1C4 Remote stations for Northern Telecom intercom system. New in the
box.
Linefinder
Circuit
(TEL) DH-580368-A21A Communications Professionals, Inc. COMPRO linefinder circuit.