Beijing Huahuan Electronics Co., Ltd.
H0FL-EthMux.SA1601/SA1602 User’s Manual V1.3
11
LOS/AIS
1~2
Red
2
E1/T1 port alarm state
instructions:
On: LOS alarm
Regular slow blink: AIS alarm
Irregular fast blink: receive
E1/T1 signal with wrong
HDB3 code
Off: no alarm
2.2.3
DIP Switch
There is a 4-position DIP switch on the front panel of H0FL-
EthMux.SA1601/SA1602; the definition is show in Table 2.3-2.
Table 2.3-2 DIP switches definition on the front panel of H0FL-
EthMux.SA1601/SA1602 device
DIP
Label
Definition
DIP-1
LLB
E1/T1 port Tx to Rx loop back:
ON: set local E1/T1 port Tx to Rx loop back
OFF: cancel local E1/T1 port Tx to Rx loop back
DIP-2
RLB
E1/T1 port Rx to Tx loop back:
ON: set local E1/T1 port Rx to Tx loop back
OFF: cancel local E1/T1 port Rx to Tx loop back
DIP-3
MASK
Alarm mask setting:
ON: set local alarm mask
Off: cancel local alarm mask
DIP-4
TMP_IP
IP setting:
ON: restore default IP address 192.192.192.192
OFF: use the IP address set by user
Note: 1) Dial down TMP_IP dip, 5 minutes later, no matter whether the user
dials it up, it will return to the original user Settings IP
2) Dial down all the 4 dips, power failure will recover the default
setting of the factory, but keep the current IP address, MAC address