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78-5481-02 09/15/98 Installation - Subtended Network 8
Cisco 6100 Set Up and Installation Manual 8-7
8.2.3 Installing the DS3 Subtend Module
The DS3 NI module should be installed in slot 10 of the host 6100 before the ATU-Cs are installed
in the subtended node 6100. The DS3 subtend module should be installed in slot 9 of the subtending
host 6100. The following figure illustrates the front panel of the DS3 subtending host module. See
Table 9-6 for a description of the LEDs on the subtending host module.
Figure 8-5 DS3 Subtending Host Module
Caution
Proper electrostatic discharge (ESD) protection is required at all times when handling
modules. Installation and maintenance personnel should be properly grounded via ground straps to
eliminate the risk of ESD damage when handling modules. Modules are subject to ESD damage
upon removal from their anti-static shipment bag.
8.2.4 Cabling the System I/O Card to the DS3 Subtend Card
On the system I/O card are coaxial connections for DS3 cabling when a DS3 NI module is installed
in the 6100 or when a 6100 is subtended. See the “Connecting the DS3 Subtending Card”section for
more information on the NI modules. See Figure 7-9 for an illustration of the system I/O card. See
Figure 8-2 for an illustration of the DS3 subtend card.
Cable the system I/O card to the DS3 subtending I/O card as shown in Figure 8-1. The transmit
connector on the subtending I/O card cables to the receive connector on the subtended system I/O
card, and vice versa.
Cisco recommends that ferrite beads be added to the coaxial cables used to cable the DS3 subtend
card to the system I/O card to reduce the radiation/EMI susceptibility to high frequency noise
between 30 and 200 MHz.
ACTIVE
STATUS
2X DS3 STM
PORT 1
LOS
LOF
FERF
OCD
PORT 2
LOS
LOF
FERF
OCD
16850