Charles Industries 31929E - Manual (Page 2)

Section 319–29E–202
2
1. GENERAL
1.1 Document Purpose
This document provides general, circuit, and testing information for the Charles Industries Span Termination Sys-
tem (STS) 3192–9E Powering T1 Network Interface Unit (NIU), shown in Figure 1. The 3192–9E is a member of
the Charles Industries STS–3192 family of high density span termination equipment. For additional information on
the STS–3192 System, see sections 319–211–100 and 319–211–200.
1.2 Document Status
This practice is reprinted to correct Figure 4 and related text. The Issue 2 equipment provides one additional loop
up code and one additional loop down code over the Issue 1 equipment; form remains unchanged.
1.3 Equipment Function
The 3192–9E combines the functions of a Powering T1 Office Repeater plus a T1 Network Interface Unit con-
forming to Bellcore TR–TSY–000312 in a single high density plug-in module. When equipped in the 3192–11 23
inch mounting shelf, up to 28 3192–9E units can be provided in 5.25 inches of vertical equipment space. The
3192–9E can be intermixed with other plug in units of the STS-3192 Family in the shelf assembly.
Field repairs/modifications may void compliance with Underwriters Laboratories Standard 1459 – 2nd
Edition. Compliance is restricted to inside plant wiring.
CAUTION
1.4 Equipment Mounting/Location
The 3192–9E is fully qualified for operation over a –40 to 65
_
C temperature range, and can be deployed in out-
side plant electronics cabinets or indoor building Remote Terminals, typically in Span Termination System
(STS–3192) Mounting Shelves.
Lightwave
Multiplexer
3192–11 STS
Equipment Shelf
e/w 28 ea. 3192–9E
Customer CPE
Equipment
DSX-1 Crossconnect
Network
Interface
Fiber
Facility
To LEC
Network
Building Remote Terminal
ЗЗЗЗЗЗЗЗЗЗЗЗЗЗЗЗЗЗ
ЗЗЗЗ
З
З
З
З
21 dB loss max.
Figure 2. 3192–9E T1 Powering NIU Typical Configuration