Specifications - Tait TM8000 Service Manual

Data equipment such as a GPS receiver or Computer Controlled Data Interface
(CCDI) is able to be connected to the TA2922 at the same time as the audio
interface is used.
The built in low voltage monitor alarm can be used to send a status message or
Selcall to advise a remote monitoring station of a potential power supply issue.
The TA2922 can be used together with conventional, MPT1327 trunked or P25
radio modes of operation.
1.2

Specifications

Power supply input voltage
Power supply input current
Over current protection
Line out level
Line out impedance
Line in level
Line in impedance
PTT in
Gate out
PTT in direct
Gate out direct
EXT_GPIO3 to 7
8
10.8 - 16.0VDC, negative ground
30mA nominal
300mA self-resettable poly-switch fuse
-30dBm to +10 dBm
600 ohms
-30dBm to +5dBm
600 ohms
Opto coupled, non polarised, 10 to 50V input range
Voltage free (normally open) relay contacts. Relay contacts
rated 1A @ 50V DC
Active Low (pull to Ground)
Active low, open collector, 70mA max
Five bi-directional digital I/O lines, active low
Input range 0 to 3.3V (3.6V max)
Output range 0 to 3.3V @ 2mA
TA2922 Universal Line Interface Service Manual
© Tait Electronics Limited March 2010