Specifications
ASMi-52 Installation and Operation Manual  Chapter 2 Installation and Setup 
  Installation and Setup  2-3 
Connecting the Interfaces 
Figure 2-1 illustrates the rear panel of ASMi-52 in a plastic enclosure with a 4-wire 
line interface, E1 DTE interface, user LAN interface, alarm relay port and the 
control port. 
Figure 2-2 illustrates the rear panel of ASMi-52 in a metal enclosure with a 4-wire 
line interface, the user LAN interface, and the control port. 
E1/T1 SHDSL
DCE
V.35
CONTROL
ALARM
LINE
B
TX
LINE
A
RX
11442255
ACTLINK
Figure 2-1. ASMi-52 Rear Panel (Plastic Enclosure) 
SHDSL
CONTROL
LINE
B
LINE
A
1425
ACTLINK
Figure 2-2. ASMi-52 Rear Panel (Metal Enclosure) 
Connecting the Line 
The ASMi-52 line interface terminates in an 8-pin RJ-45 connector. 
 
To connect the line connector: 
•  Connect the line cable to the RJ-45 connector designated SHDSL. 
Connecting the DTE 
The ASMi-52 DTE interface provides interface for input/output data, clock 
reference and control signals between the modem and the DTE. The DTE interface 
terminates in one of the following connectors: 
•  X.21 – 15-pin, D-type, female 
•  V.35 – 34-pin, female 
•  RS-530 – 25-pin, D-type, female 
•  Balanced E1 – RJ-45 
•  Unbalanced E1 – two BNC coax via adapter cable 
•  Balanced T1 – RJ-45 
•  IR-IP – RJ-45 
•  ETH – RJ-45. 
For the detailed description of the IR-IP interface module, refer to Appendix B. 
The E1/T1 port is intended for intra-building non-exposed plant only. 
Warning 










