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Installation
Table 6. HRU-419 Card Edge Connector Pinouts
Pin (*)
Signal
A
DS1_T_TIP
B
DS1_R_TIP
E
F
HDSL_TIP_A
J
CHASSIS_GND
K
HDSL_TIP_B
(* )All other pins are not used.
T
HRU-419 C
HE
The HRU-419 has four user options located on the circuit board, three that are
set using two-position switches (JP2, JP3 and JP4), and one set by the
connection and positioning of a jumper block header (JP1) as shown in
Figure 7 on page
The HiGain system also has several special loopback (SPLB)
options that are set at the HLU. Refer to the specific HiGain
line unit technical practice for more details.
16
Description
DS1
Transmit Tip
DS1 Receive
Tip 1
HDSL Loop
1 (Tip1)
Chassis
Ground
HDSL Loop
2 (Tip)
IRCUIT
17.
September 25, 1998
Pin (*) Signal
1
DS1_T_RING
2
DS1_R_RING
5
CIRCUIT GND
6
HDSL_RING_A
8
EXT -48V
9
HDSL_RING_B
B
OARD
150-419-100-03>
Description
DS1 Transmit
Ring
DS1 Receive Ring
Circuit Ground
HDSL Loop 1
(Ring1)
-48 V External
Power
HDSL Loop 2
(Ring)
HRU-419 List 1
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