ADC HIGAIN HDSL2 Quick Installation Manual page 4

Card-edge connector
26
1
Tip
Ring
27 2
HDSL2 Span
28 3
29 4
30 5
31 6
32
7
Fuse alarm*
33 8
34 9
35 10
36
11
37 12
KEY KEY
38 13
-48Vdc 39 14
40 15
16
41
DSX-1 Tip 42 17
IN
Ring
43 18
Ground 44 19
45 20
Management bus
46 21
47 22
48 23
49 24
Tip 1
DSX-1
Ring 1
OUT 50 25
* Fuse alarm is normally floating and at -48 Vdc when activated.
** System minor alarm contacts (pins 20 and 21) are normally open, and close upon alarm.
Displays status, provisioning, and
alarm messages. See tables below
for a list of message descriptions.
Status LED reports the following conditions:
Green LED
Red LED
Flashing Red LED
Yellow LED
Flashing Yellow LED
Off
Maintenance Terminal Modem Settings
Ground
9600 baud
8 data bits
No parity
1 stop bit
Hardware flow control: OFF
Terminal emulation software: VT100
Alarms**
Factory use only
HiGain
Four-character display
HDSL2
H
D
S
MODE
L
2
Status LED
STATUS
H
BRG
Normal operation.
2
T
Fuse alarm.
LINE
U
•
HDSL2 acquisition or
C
system alarm.
2 BRG
3
A Customer Remote (CREM)
1
or Network Local (NLOC) LINE
loopback is in effect.
System is in Armed (ARM)
mode.
Line power is off.
List number
L 1F
System option buttons
Use the MODE and LBK buttons to review all system
parameters, including user-configured settings, and to
activate loopbacks.
To display system parameters:
LBK
for at least 3 seconds to place the front-panel display in
scroll mode. When it has finished scrolling through all the
system parameters, the display returns to its normal mode.
To initiate a manual loopback:
1 Press both the MODE and LBK buttons for at least 5
XMT
seconds. The following message appears:
MAN LPBK NLO?
2 Press LBK to activate the NLOC loopback or press
RCV
MODE to advance to the next loopback selection.
To manually terminate a loopback:
MODE and LBK for 3 or more seconds.
R DSX-1 test access jacks
S
2
Connect standard test equipment.
3
2
BRG Provides non-intrusive bridging jack
access to (XMT) and from (RCV) the
HDSL2 span at the DSX-1 interface.
Allows monitoring of the DS1 payloads.
LINE Provides splitting jack access to
(XMT) and from (RCV) the HDSL2 span
at the DSX-1 interface.
Craft port provisioning
To access all system maintenance, provisioning,
and performance screens, connect a standard
9-pin terminal cable between the serial port on a PC
and the H2TU-C craft port.
Press the MODE button
Press both