LTPH-UG-1166-01
Overview
HMS-317 and HMS-318
July 15, 2002
11
G.703 Wire-wrap Connections for HDSL2
shows the HLU card slot pinouts on the HMS backplane for HDSL2 circuits.
Figure 11.
HLU Slot Wire-wrap Pinouts for G.703/HDSL2 Circuits
G.703
(IN)
Tip
G.703 Tip 1 (OUT)
A
B
C
D
E
F
J
H
Ground (GND)
HDSL2 Span Tip
HDSL2 Span Ring
System Alarm *
Management Bus *
Frame Ground
-48 Vdc Battery
Factory use only
Fuse Alarm **
1
2
3
4
5
6
7
8
9
10
K
L
**
Fuse alarm normally floating (0 to -80 Vdc maximum)
and at -48Vdc (10 ma maximum) when activated.
*
System alarm and management bus reserved.
Notes:
G.703
(IN)
Ring
G.703 Ring 1 (OUT)