TB9400 Specifications Manual
Base Station Specifications
33
© Tait Limited July 2017
1.8
System Connections
1.8.1
External Frequency Reference Input (BNC)
1.8.2
Ethernet Interface (RJ45)
1.8.3
System Interface 25-Way D-range
Frequencies
a
10MHz or 12.8MHz
Lock range
±50Hz
Input level
500mVpp to 5Vpp
Input impedance
≥
1k
Ω
a. Automatically detected by the reciter.
Transceiver
10/100 Base-Tx/Rx (Auto-MDIX)
IEEE-spec
IEEE802.3 and 802.3u
External General Purpose Digital Inputs
Input low threshold
V
IL
< 0.6V
Input high threshold
V
IH
>1.2V
Input source current
I
IL
<1mA (V
IL
= 0V)
Continuous input voltage
|V
IN
| <30V
Transient input voltage
|V
IN
| <35V (t <1s)
