DB 30
This device can only be connected to the telephone systems OL10 and OL 12.

The device has a has a cover made of black lacquered sheet metal.

Parts:
Microphone RLF 1014 made of black Bakelite with microphone capsule RLA 1004, 40ohms, and cord TRS 1302, 1250mm.
Dial RCA 1002.
Transformer RCL 10301.
Direct current ringer KLD 1051, 100ohms.
Line cord TRS 1302, 1250mm.

Dimensions:
Height 160mm, width 115mm for the bottom of the device plate.

Weight 1.9 kg.

Superseded by the DER 3001.

Note that the dial is number 0, 9 to 2, 1 in a clockwise direction.

Taken from the L. M. Ericsson Catalogue No. 188 (1934)

Last revised: June 08, 2024