HDSL
GENERAL
1.1
1.
GENERAL
1.1. DESCRIPTION
TX
RX
G.703/V35
MASTER
TX
RX
G.703/V35
SLAVE
HDSL line 2/4 wires
R
HIGH SPEED MODEM
K1
K2
/G703 T/SLV
P
LOC
M REM
PW
LIN
LIN
V35
MS
LOO
ALM
AL
HDSL
R
HIGH SPEED MODEM
K1
K2
/G703 T/SLV
P
LOC
M REM
PW
LIN
LIN
V35
MS
LOO
AL
M
AL
HDSL
Picture 1
The connection is carried out using 2 HDSL devices: one placed in the main centre (Master)
and the other one in the remote place (Slave). The Master and Slave devices have different
configurations but are equal as for the electric or mechanic features.
All the digicom’s HDSL modems are supplied with the following factory configuration:
l
Master
l
V.35 selected interface
l
Two wires connection
l
256 Kbit/s line speed
l
Internal clock
1.2. FRONT PANEL VIEW
R
HIGH SPEED MODEM
K1
K2
/G703 T/SLV
P
LOC
M REM
PW
LIN
LIN
V35
MS
LOO
ALM
AL
HDSL
Picture 2
Name
Color
Condition
Function
PWR
Green
Off
No power supply
LINK1
Red
On
Channel 1 Status: Connected with the remote one
Flashing
Channel 1 Status: Searching
LINK2
Red
On
Channel 2 Status: Connected with the remote one
Flashing
Channel 2 Status: Searching
Off
Channel 2 Status: disabled
V35/G703
Red
On
V.35 interface selection
Off
G.703 interface selection
MST/SLV
Red
On
Device configured as Master
Off
Device configured as Slave
LOOP
Red
On
Local Loop enabled
Flashing
Loop enabled on the remote device
ALM LOC
Red
On
Problem with G.703 interface
Flashing
Fault on the local device
ALM REM
Red
On
Problem with the G.703 remote interface (managed
on Master device only)
Flashing
Fault on the remote device
