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ZETRON Model 25 - Electrical

ZETRON Model 25
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Specifications
6 025-9567E
ELECTRICAL
Frequency Range 250 to 3276 Hz
Frequency Accuracy +/- 0.1%
Audio Output Drive Balanced, 600 ohm impedance
Audio Amplitude
Paging Output
(Tone Output 1)
Adjustable, -60dBm to -10dBm
( 0 - 0.75 V p-p, into 600 ohms)
( may be field altered to +7dBm maximum)
Audio Amplitude
Speaker Output
(Tone Output 2)
Adjustable, 3.6 V p-p max. (.2w into 8 ohms)
Tone Distortion 3 % nominal from pure sine wave
Pre/de-emphasis Factory set to +/- 1 dB over range, ( may be field altered to +/-
6 dB per octave)
TX Controls Audio switch: one DPDT relay
P-T-T: one DPDT relay
Channel select: 8 contacts, common when TX
( configuration may be field altered )
All relays rated at 1A at 26 VAC
TX Monitors 4 channel busy monitors each with high or low impedance
selection. Inputs are common ground
Computer Port RS-232, 8 bits, no parity, 1 stop bit
Baud rate: logging, 4800 baud only; remote control, 150,
600, 4800 baud
Full duplex when in remote control
CTS “busy” input available
Power Supply
Encoder: 11 to 14 VDC at 2.5A max, 1A standby
Auxiliary Panel: 11 to 14 VDC at 1.5A max

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