
Modems 5-5
Meridian MAX
Installation Guide
Product release 8
Modem cables
Modems can be connected to the Meridian MAX using two modem cables:
the NT7D99AA null modem cable and the NT7D61Ax cable.
Figure 5-1 shows the cabling arrangement for the NT7D99AA cable for use
with dial-up supervisor, remote supervisor login, and network link.
Figure 5-2 shows the cabling arrangement for the NT7D61Ax cable for use
with remote diagnostics.
Figure 5-1
Cabling arrangement—modem connection cable NT7D99AA for dial-up supervisor, remote
supervisor login, and network link
1
2
3
4
5
6
7
8
1
6
5
4
20
7
8
SHIELD
TD
RD
RTS
CTS
DSR
GND
CD
SHIELD
DSR
CTS
RTS
DTR
GND
CD
20DTR
3
2TD
RI 22
22 RI
DB-25 cable
RD
(DB-25)
Male
(DB-25)
Male
(NT7D99AA A0390645 2.2 m [7 feet])
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