Table of Contents
Advertisement
Installation and Setup
MultiPak Enclosure Back Panel
Figure 2-4
shows the back panel of the MultiPak enclosure. Two RJ48 modular jacks are used per
slot. The SC 553 DSU uses the upper jack for the T1 interface for netowrk connectivity. The SC
553 DSU can use the lower jack as either the interface connection for a station clock, or as a Cascade
port when the DSU is equipped with an optional Cascade Interface card.
Figure 2-4
Unpacking and Handling
Inspect the box for damage; if any is observed, notify the shipper immediately. Save the box and
packing material; you can use it to reship the unit, if necessary.
Installation Procedures
Module Installation Procedures
An SC 553 DSU card (See
DSU:
1. Insert the module into its slot – in an SC 5000 shelf or MultiPak enclosure the GDC logo is on
top, in an SC 2000 shelf the GDC logo is to the right – and slide it in until it makes contact.
2. Pull down the ejector tab and firmly push the module in until it seats in the rear connectors.
Business Equipment Connections (DTE)
The standard business equipment interface for the SC 553 DSU is ITU-T V.35. The DSU can be
equipped with an optional, plug-in, piggyback card that supports EIA-530 interface.
Appendix B, Interface Signals describes the signals exchanged through the two business equipment
interfaces.
2-4
A. Front View
MultiPak Enclosure
Figure
2-5) may be installed in any slot of its housing. To install the
SpectraComm 553 Fractional T1 DSU
Installation and Operation Manual
Unpacking and Handling
THIS DEVICE COMPLIES WITH PART 15 OF THE FCC RULES. OPERATION IS
THIS ENCLOSURE MAY CONTAIN FCC
SUBJECT TO THE FOLLOWING TWO CONDITIONS: (1) THIS DEVICE MAY NOT
REGISTERED EQUIPMENT SPECIFIC
CAUSE HARMFUL INTERFERENCE, AND (2) THIS DEVICE MUST ACCEPT ANY
REGISTRATION. INFORMATION IS
INERTFERENCE RECEIVED. INCLUDING INTERFERENCE THAT MAY CAUSE
CONTAINED ON INDIVIDUAL UNITS.
UNDESIRED OPERATION.
B. Rear View
076R155-000
Issue 7
Advertisement
Table of Contents
