TB 510
English
28
Technical data
Line interface:
Analog (a/b--wire, independent of polarity)
Current supply:
via telephone line
Call frequency:
25 to 60 Hz
Call voltage:
at least 32 V
eff
at 25 Hz,
at least 25 V
eff
at 50 Hz,
Loop current:
at least 19 mA
Signal key:
Flash
Dialing method:
DTMF
Connection socket:
Western socket, a/b configuration in the middle
Connecting cable:
Western -- Western, 4--lead
Operating temperature:
0 to 40
C
Weight:
approx. 550 g
Headset:
T1 model
Parallel handset:
T1 model
Parallel ringer:
Electronic internal ringer or
high--voltage connecting relay for a/b
Configuration of the telephone connection socket (view from bottom of telephone):
x
no contact
1
not occupied
2
a--line
3
b--line
4
not occupied
x
no contact
x 1 2 3 4 x
Summary of Contents for TB 510
Page 2: ...TB 510 2 2 1 1 2...