Lucent Technologies PortMaster PM-2 Hardware Installation Manual page 16

PortMaster Communications Server Product Line
Table 1-1
Model
PM-25
PM-2i-U
PM-2i-ST
PM-2Ei-10I-U
PM-2Ei-10I-ST
Table 1-2 gives information on PortMaster Communications Server expansion boards.
Table 1-2
Expansion Board
MOD-2E-10A
MOD-2E-10B
MOD-10I-U
1-2
PortMaster Communications Servers (Continued)
Description
Offers 25 asynchronous ports, consisting of one console port
and three high-density 68-pin connectors, each of which
support eight asynchronous serial devices.
ISDN models. These servers each have 5 BRI channels
providing, respectively, either a U interface with integrated
NT1, or an S/T interface requiring an external NT1.
Expandable ISDN models. These servers each have room for
up to two expansion boards (5 BRI ports each), for a total of
up to 15 BRI ports (30 B channels). Expansion boards are
described in Table 1-2.
Expansion Boards
Description
This board provides 10 asynchronous ports
(S10 through S19).
This board provides 10 asynchronous ports
(S20 through S29).
This board provides 5 BRI ports (10 B channels) and one
high-density 10-pin RJ-45 connector supporting all five
BRIs in one cable. This board provides an integrated
network termination (NT1) device that attaches directly
to the ISDN line; an external NT1 is not necessary.
U interface products are intended for use in the United
States and Canada.
Revisions A and B of the MOD-10I-U board can be used
only in the PortMaster 2E. Revision C or later boards
can be used in any expandable PortMaster.
Communications Server Hardware Installation Guide