SAF CFM-34-REBM Manual page 38

IN
E1
G.703
HDB3
OUT
Figure 3. The E1 interface module analog loopback
When the analog loopback is active, the signal is doubled on the output either
(Figure 3). The transmitter output is connected internally to the receiver input. The
analog loopback is not dual.
From Telnet or ASCII console:
"Mod # setE1 {Aloop|Dloop| off}", for analog loopback use Aloop argument,
Dloop for digital loopback (for details refer to chapter 4.4.3), # - MUX slot
number.
Using LCD/Keypad:
From status display mode proceed as follows: Press "ENTER" to enter setup
mode → select "E1 #" (# - channel number, see the front panel of IDU) →
select "Loop" → select "Analog" for analog loopback (non-dual),"Digital" for
digital loopback → confirm.
Modular Fast Ethernet Bridge Management System Technical Description and Configuration Guide
CPU
Analog
Interface
V. 3.12. 1.0 · © SAF Tehnika A/S 2003
2
I C
bus
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