Tait TB9300 - System Connections; External Frequency Reference Input (BNC); Ethernet Interface (RJ45); System Interface (DB-25)

38 Base Station Specifications TB9300 Specifications Manual
© Tait International Limited August 2022
1.8 System Connections
1.8.1 External Frequency Reference Input (BNC)
1.8.2 Ethernet Interface (RJ45)
1.8.3 System Interface (DB-25)
Frequencies
a
10 MHz or 12.8 MHz
Lock range ± 50 Hz
Input level 500 mVpp to 5 Vpp
Input impedance ≥ 1 kΩ
a. Automatically detected by the reciter.
Transceiver 10/100 Base-Tx/Rx (Auto-MDIX)
IEEE-spec IEEE 802.3 and 802.3u
External General Purpose Digital Inputs
Input low threshold V
IL
< 0.6 V
Input high threshold V
IH
> 2.3 V
Internal pull-up (5V) ≥ 10 kΩ
Input source current I
IL
< 1 mA (V
IL
= 0 V)
Continuous input voltage |V
IN
| < 30 V
Transient input voltage |V
IN
| < 35 V (t < 1 s)