Shure Conference Phone - Manual (Page 18)

Output Clipping Level
Impendance
English
8
17
8 Technical Data
Power supply unit C1-PS 60i
Mains voltage
C1-PS 60i A: 120 V AC, 50/60 Hz
C1-PS 60i J: 100 V AC, 50/60 Hz
C1-PS 60i E, C1-PS 60i UK : 220 - 240 V AC, 50/60 Hz
Power rating: 330 VA
Primary Fuses
C1-PS 60i A: T4A
C1-PS 60i J: T5A
C1-PS 60i E, C1-PS 60i UK : T2A
Secondary Fuses: 2 x T8A
Bus supply voltage: +/- 24 V DC nom.
Microphone
(balanced)
Audio inputs
Line
(balanced)
Aux
(unbalanced)
Impendance 8 kOhm 50 kOhm
Input Clipping
Level
-26 dBV +6 dBV +6 dBV
Phantom
Power
15 V DC
AEC / Telco
Audio Interface
(balanced)
50 kOhm
+20 dBV
8 kOhm
-- -- --
Headphone Output
Output impedance:
8 Ohm
Socket: 1/4” stereo jack socket
Connections:
Maximum number of consoles
per console-bus branch (Minicon):
15
per Sub-D 25 output: 30
Maximum total number of consoles: 60
Maximum length of a console-bus branch: 40 m
Maximum cable length from PSU to last console: 80 m
Audio outputs
Aux
(unbalanced)
Line
(balanced)
<20 Ohm
+18 dBV +12 dBV
AEC / Telco
Audio Interface
(balanced)
200 Ohm
+18 dBV
<20 Ohm