
5-90 Modems
553-4001-111 Standard 1.0 March 1997
Due to the wide variety of T1 equipment available, it is important that the
T1 administrator be consulted before installing the network link.
Direct connection for NAC connectivity
If the NAC system is within 15 meters (50 feet) of the four-port I/O cable
used by a Meridian MAX nodal system, then you can use the direct
connection method.
Because Meridian MAX and NAC 2 both run on the Application Module
(AM) hardware platform, the two systems may be installed in the same
Application Equipment Module (AEM).
NAC 2 end
The cable between the NAC, running with a Meridian MAX SNN/SNN-E,
and the VME multiport cable is modem cable NT7D99AA. Figure 5-57
illustrates this connection.
The cable between the NAC, running with a Meridian MAX IPE/IPE-E
system, and the four-port I/O cable port is modem cable NT7D99AA.
Figure 5-59 illustrates this connection.
Refer to the “Modems” section of the “Hardware installation” chapter of
the Network Administration Center (NAC) 2 Installation Guide
(NTP 553-4011-110) for further information.
NAC 1 end
The RJ-45 end of the NT9D9007 cable is connected to the corollary
terminal concentrator at the NAC end.
Figure 5-46 shows the cabling arrangement for the NT9D9007 cable.
Meridian MAX end
If Meridian MAX is connected to a NAC 2 system, one DB-25 end of the
NT7D99AA cable is connected to the NT8D96AE multiport cable
(SNN/SNN-E) or the NT1R03AA/BA cable (IPE/IPE-E) at the Meridian
MAX end. Figures 5-57 and 5-59 illustrate these connections.
If Meridian MAX is connected to a NAC 1 system, the DB-25 end of the
NT9D9007 cable is connected to the NT8D96AE multiport cable
(SNN/SNN-E) or the NT1R03AA/BA cable (IPE/IPE-E) at the Meridian
MAX end. Figures 5-58 and 5-60 illustrate these connections.
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