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PRI cabling information
Page 173 of 188
ISDN PRI Installation
QCAD328
This cable connects the PRI pack to the D-channel interface card, the QPC757
DCHI. There are four types of QCAD328 cables: QCAD328A, QCAD328B,
QCAD328C, and QCAD328D. See
— QCAD328A—6 ft (1.8 m)
— QCAD328B—18 ft (5.5 m)
— QCAD328C—35 ft (10.67 m)
— QCAD328D—50 ft (15.24 m)
— Construction—24 AWG (0.511 mm), stranded
— P1 Connector—25-pin male, subminiature D
— P2 Connector—15-pin male, subminiature D
Table 48
QCAD328 wire list
From
To
Signal
P1-2
P2-2
SDA+
P1-13
P2-10
SDB-
P1-20
P2-15
TR
P1-15
P2-9
STA+
P1-14
P2-11
STB-
P1-3
P2-4
RDA+
P1-16
P2-12
RDB-
P1-17
P2-5
RTA+
P1-12
P2-13
RTB-
P1-8
P2-8
RR
P1-5
P1-8
CS
P1-7
P1-1
SG
P1-1
P2-1
GND