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Chapter 2. Installation
2-4 TSU IQ+ User Manual 61200275L1-1
DBU and LAN Card Slots
The TSU IQ+ rear panel has two card slots (labeled
DBU Interface
and
LAN Interface
) for the installation of dial backup, ethernet, and
DCE cards. To insert cards, perform the following procedure:
1. On the rear panel, turn off the power switch.
2. Slide the card into the corresponding rear slot until the card
panel is flush with the TSU IQ+ chassis.
3. Push card locks in (until they click) to secure the card and
ensure proper installation.
Network Connector
Connect the TSU IQ+ to the network by using the 8-position
modular jack labeled
NETWORK
. The pinout for this connector is
listed in Pinouts on page A-1.
Test Jacks
Monitor
The monitor jack (labeled
MON
)isusedasanon-intrusive
monitoring point for the data received from the network. The
monitoring device needs to be set for high impedance bridge mode.
In/Out
The
IN
and
OUT
jacks are used to connect to a T1 test set for testing
theT1interfaceoftheTSUIQ+.TheseconnectionsisolatetheT1
interface from the RJ-45 network jack.
Card slots are keyed to prevent improper installation (i.e., putting a DBU
card into the ethernet slot). The DCE card is keyed for the DBU slot.
Failure to remove power from the unit before installing or removing op-
tion cards can damage the equipment.