21, 51, 61, 71, And 81; Figure 11; Dti-To-Echo Canceller Cabling - Nortel QPC472 Installation Manual

Page 26 of 66 DTI installation
21A, 21, 51, 61, 71, and 81

Figure 11

DTI-to-Echo Canceller cabling

XTIP
1
XRING
9
GRD (Shield)
2
RTIP
3
RRING
11
GRD (Shield)
4
J4
QPC720
PRI
J6
RXD (BB)
2
TXD (BA)
5
DCD (CF)
1
DTR (CD)
4
GRD (AB)
10
553-2811-200 Standard 6.0 December 1994
For basic information on installing a DTI card, refer to
procedures" on page
20
QCAD129 or
NT9J93xx Cable
11. For DTI cabling arrangements, refer to
Cross-Connect
Block
I/O Filter
(If equipped)
3
2
8
7
5
4
I/O Filter Optional
Cross-Connect
Block
"Installation
NCTE
(if reqd)
Echo Canceller
T1
Port
RXD
TXD
DCD
RS232
Jack
DTR
GND
CTS
RTS
Figure 11.
Network
553-1504