Nortel Networks NN43001-301 - Manual (Page 220)

220 1.5 Mb DTI implementation
Item Description
NTAK09 DTI/PRI Circuit card
NTAK20 Clock Controller Daughter board.
Option 11C Cabinet support only one active Clock
Controller per IP Expansion cabinet.
NTBK04 Carrier Cable
Cables
The following cables are required for DTI connections:
• DTI to external T1 cable
• NTBK04 carrier cable
• NT8D97 50-foot extension (if needed)
Channel Service Units (CSU)
When connecting the DTI/PRI to the public network, Channel Service Units
(CSUs) are required by most operating companies. One CSU is required
per DTI. Suitable CSUs which support 64 Kbps clear and Bipolar 8 Zero
Substitution (B8ZS) are available from vendors such as Verilink, Digitalink,
Kentrox and Tellabs.
Contact your Nortel Sales representative for specific local CSU
requirements.
Hardware description
Refer to "Hardware description" (page 196) .
Install DTI hardware
Refer to " "Install PRI hardware" (page 203) " for information on installing
DTI hardware. Specifically:
• To install the NTRB21 DTI/PRI card, see "Insert/remove the NTRB21
TMDI card" (page 204) .
• To install the NTAK09 DTI/PRI card, see "Installing the NTAK09" (page
209) .
• To install the NTAK20 Clock Controller, see "Install/remove
daughterboards on the NTAK09 DTI/PRI card" (page 206) .
Set the switches
Set the switches on the NTAK09 DTI/PRI card according to Table 78
"NTAK09 switch settings" (page 221) .
Nortel Communication Server 1000
ISDN Primary Rate Interface Installation and Commissioning
NN43001-301 02.03 Standard
Release 5.5 7 December 2007
Copyright © 2003-2007, Nortel Networks
.