Adtran TSU 120e User Manual download pdf (Page 34)

Chapter 2. Installation

2-6

TSU 120 User Manual 61202129L1-1

DSX-1 (PBX) Interface

The DSX-1 Interface provides a short haul T1 for a PBX or other

equipment. This port complies with ANSI T1.102.

DSX-1 Test Interface

The

IN and OUT test jacks for the DSX-1 interface provide intru-

sive test capabilities for the T1 connecting the TSU 120 to the

PBX or other customer premise equipment. By connecting to

these jacks with test equipment, the DSX-1 connection will be

broken, and the test equipment will be terminating the DSX-1

connection from the PBX.

The

T-MON test jack provides a DSX monitor access jack for

non-intrusive monitoring of the T1 connecting the TSU 120 to

the PBX or other customer premise equipment. When con-

nected to this jack, the test equipment should be configured for

DSX MON termination.

Chain Port Input

The chain port input provides an EIA-232 input from a PC or a

modem for control of the TSU 120. You can also use it as a chain

input from another TSU 120 or the TSU 100. For more informa-

tion see the Wiring section in Appendix C, on page C-1.

Chain Port Output

The chain port output provides an EIA-232 output to chain con-

trol to other TSUs. For more information see the Wiring section

in Appendix C, on page C-1.

10BaseT Interface (TSU 120e only)

The 10BaseT interface provides the LAN interface for manag-

ing the TSU 120 with SNMP or T-WATCH Pro. For more infor-

mation see the Wiring section in Appendix C, on page C-1.

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Adtran TSU 120e User Manual Page 34