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ISDN Primary Rate Interface equipment overview
Table 5
QPC720 PRI cables and cable lengths (Part 2 of 2)
Cable type
QCAD328B
QCAD328C
QCAD328D
QCAD124
QCAD128
RS-232
NTND26AA
NTND26AB
NTND26AC
NTND26AD
NTND98
22AWG ABAM
Disk drive hardware
553-3001-201
Standard 1.00
From
To
QPC720
QPC757 DCHI
QPC720
QPC757 DCHI
QPC720
QPC757 DCHI
QPC720
QPC414 Network
QPC720
Bulkhead I/O panel
QPC720
Echo Canceller
QPC720
NT6D80 MSDL
QPC720
NT6D80 MSDL
QPC720
NT6D80 MSDL
QPC720
NT6D80 MSDL
QPC720
Input/output panel
Echo Canceller
DSX-1
Note: The QPC775 Clock Controller is not available in the U.S.A. There
can be no mixing of QPC775 and QPC471 in one system.
The following hardware is required for Large System upgrades:
•
3.5-inch disk drive unit
•
disk drive controller for above
•
cable for above
October 2003
Maximum
Maximum
length
length (feet)
(meters)
18
35
10.67
50
15.24
50
15.24
25
50
15.24
6
18
35
10.67
50
15.24
6
655
199.64
5.5
7.62
1.8
5.5
1.8