11.8.22.5 LIU - Configuration Samples
The Line Interface Unit (LIU) is available in two different sizes and different output / connector options. All
outputs of a module can be operate in either the E1 or T1 in mode. Signal output settings can be done during
operation via the web interface. The selected mode is indicated by the LEDs in the retainer plate.
Signal Types
•
2048 kHz (E1 mode) or 1.544 MHz (T1 mode), G.703, 120
Ω
, balanced, RJ45 socket
•
2048 kHz (E1 mode) or 1.544 MHz (T1 mode), G.703, 75
Ω
, unbalanced, BNC connector
•
2048 kBit/s (E1 mode) or 1.544 MBit/s (T1 mode), 120
Ω
, balanced, RJ45 socket
•
2048 kBit/s (E1 mode) or 1.544 MBit/s (T1 mode), 75
Ω
, unbalanced, BNC connector
11.8.22.6 Overview - LIU Modules for IMS Systems
LIU Model
Size
Signal (bal./unbal.)
Connectors
———————————————————————————————————————–
LIU-A4040
8TE
BITS (4/0)
4 x RJ45
Clock (4/0)
4 x RJ45
LIU-A4004
8TE
BITS (4/0)
4 x RJ45
Clock (0/4)
4 x BNC
LIU-A0404
8TE
BITS (0/4)
4 x BNC
Clock (0/4)
4 x BNC
LIU-A0044
8TE
Clock (4/0)
4 x RJ45
Clock (0/4)
4 x BNC
LIU-A2222
8TE
BITS (2/2)
2 x RJ45, 2 x BNC
Clock (2/2)
2 x RJ45, 2 x BNC
138
Date: 27th May 2021
IMS - LANTIME M4000