RAD Data comm ARC-101 User Manual
Page 26
Chapter 2. Installation
ARC-101 Installation & Operation Manual
2-10
ARC-101 Modules
E1 and E1/LTU
Modules
The E1 link interface (Coax/UTP), as well as RX/TX ground reference, can be
determined by jumpers on the module (see Figure 2-16).
Figure 2-15 E1 Module Front Panel
Connector:
BNC (RJ-45)
Used with:
Coax (UTP)
Protocols supported:
E1
Coding method:
HDB3
Impedance:
75
Ω
(120
Ω
)
Receive level (with LTU):
0 to -34 dB
Receive level (without LTU):
0 to -12 dB
Transmit level balanced:
3v
±
10%
Transmit level unbalanced:
2.37v
±
10%