Specifications

Installation and Operation Manual Chapter 1 Introduction
ASMi-52CD Ver. 1.0 Physical Description 1-7
Figure 1-4 shows the ASMi-52CD PCB with E1 DTE interface. In addition to the
watchdog and ground selection jumpers, it contains two double jumpers (JP1, JP2)
and an S1 DIP switch for selection of the E1 interface type.
J7
J3
J6
GND-FGND
N Y
POWER
DATA
ALM
SYNC
TST
JP10
WD
1
U8
JP3 JP1
E1 UNB
A
L
E1 B
A
L
SHDSL Board
JP8
S1
ON
1234
Figure 1-4. ASMi-52CD/E1 Card – Component Side
ASMi-52CD is coupled to the LRS-24 chassis backplane and to the digital interface
card by three connectors (refer to
Figure 1-4) . The backplane connectors are
described in
Table 1-5.
Table 1-5. Modem Card Connectors
Connector No. of Pins Function Use
J3 96 Data Carrying data and signaling to/from the
Interface module in the LRS-24 chassis.
J6 48 Control Carrying management information between
the ASMi-52CD module and the control
module (CM-2) and supplying -5V from the
chassis power supply module.
J7 8 Power Supplying +5V from the chassis power supply
module.