Northern Telecom NAC Installation Manual page 60

Figure 3-9
Cabling arrangement—modem connection cable NT1R03Ex
TD
RD
Male
RTS
(DB–25)
CTS
DSR
GND
CD
SCT
SCR
DTR
SCTE
Note: Pins 1, 9-14, 16, 18, 19, 21-23 and 25 carry no signal and are not used with this cable.
Figure 3-9 shows the cable arrangement for NT1R03Ex when supplying a
connection between a modem and a peripheral device.
(NT1R03EB, 62 cm (2 ft))
(NT1R03EC, 1.2 m (4 ft))
(NT1R03EF, 3 m (10 ft))
(NT1R03EP, 7.6 m (25 ft))
(NT1R03EV, 13.7 m (45 ft))
2
3
4
5
6
7
8
15
17
20
24
Network Administration Center (NAC) Installation Guide Product release 2
DB–25 cable
Hardware installation 3-35
2 TD
RD
3
Female
4
RTS
(DB–25)
5
CTS
6
DSR
7
GND
8
CD
15
SCT
17
SCR
20
DTR
24
SCTE