Nortel Networks Circuit Card 311 - Manual (Page 190)

190 NT5D11 and NT5D14 Lineside T1 Interface cards
T1 card-T1 Switch 1 (S1) dip switch settings" (page 192) through Table 90
"Lineside T1 card - CPE or CSU distance dip switch settings (Switch S2,
positions 3 - 5)" (page 194)
.
When the line-side T1 card is oriented as shown in Figure 32 "Lineside T1
card - T1 protocol dip switch locations" (page 191) , the dip switches are ON
when they are up, and OFF when they are down. The dip switch settings
configure the card for the following parameters:
MMI port speed selection
This dip switch setting selects the appropriate baud rate for the terminal or
modem (if any) that is connected to the MMI.
Line Supervisory Signaling protocol
As described in "Power requirements" (page 323) , the Lineside T1 card is
capable of supporting loop start or ground start call processing modes.
Make the selection for this dip switch position based on what type of line
signaling the CPE equipment supports.
Address of Lineside T1 card to the MMI
The address of the Lineside T1 card to the MMI is made up of two
components:
• The address of the card within the shelf
• The address of the shelf in which the card resides
These two addresses are combined to create a unique address for the
card. The MMI reads the address of the card within the shelf from the card
firmware; however the address of the shelf must be set by this dip switch.
The shelf address dip switch can be from 0 – 15. 16 is the maximum number
of Lineside T1 IPE shelves (a maximum of 64 Lineside T1 cards) capable of
daisy chaining to a single MMI terminal. For ease, it is recommended that
this address be set the same as the address of the peripheral controller
identifier in LD 97 for type: XPE. This is not possible because the dip switch
is limited to 16; however, this is not mandatory.
Nortel Communication Server 1000
Circuit Card Reference
NN43001-311 01.04 Standard
Release 5.0 23 May 2008
Copyright © 2003-2008, Nortel Networks
.