w w w . g o d y n a m i x . c o m
User Manual
8
Bit 4 ALS function setting
OFF Disable
ON Enable
¾
Bit 5
: Loopback setting of 1
st
E1
Bit 5 Loopback setting of 1
st
E1
OFF No
loopback
ON Loopback
¾
Bit 6
: Loopback setting of 2
nd
E1
Bit 6 Loopback setting of 2
nd
E1
OFF No
loopback
ON Loopback
¾
Bit 7
: Loopback type setting
Users can set the loopback of E1 to “remote bidirectional loopback” or “local bidirectional
loopback” when the loopback of the E1 is enabled.
Bit 7 Loopback type selection
OFF
Remote bidirectional loopback
ON Local
bidirectional
loopback
The following two figures show the loopback point of the remote bidirectional loopback and
local bidirectional loopback respectively.
Local
Remote
BER
Tester
Optical
Interface
Side
E1 Side
E1 Side
Set remote bidirectional loopback on the local PDH multiplexer
