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SpecificationsPassport 4400 Hardware Installation Manual
C-2
-12 volts/2 amperes max)24 watts)
T1 Voice Module
The following specifications pertain to the T1 Voice Module, dual port.
Interfaces: 2; DS-1 (network) and DSX-1 (local)
1.544 digital interface with D4 framing format
1.544 digital interface with ESF framing
format
Connector: RJ-48C
DS-1 (includes internal DSU/CSU)
Number of DS0 Channels: 24 @ 64 kb/s
Line Buildout: 0, -7.5, -15 dB, hardware selectable
Interface Connector: RJ-48C
Test Connector: Mini Bantam
Receiver Sensitivity: -34 dBm
DSX-1
Number of DS0 Channels: 24 @ 64 kb/s
Line Buildout: 110 feet to 600 feet in increments of 110 feet;
software selectable
Interface Connector: RJ-48C
Test Connector: Mini Bantam
Receiver Sensitivity: -34 dBm
Drop and Insert: All 24 DS0 channels may be passed directly
between the DSX-1 and DS-1 interfaces or
dropped and inserted to/from the Passport 4400
resources.
Data Ports: 2; DP1 and DP2 @ 512 kb/s maximum (each).
Strappable for RS-232/V.24, X.21, and V.35
interface type.
Connector: DB-25 female
Digital Voice Modules: 24 maximum; six are optionally mounted on the
T1 Voice Module; additional modules are
optionally mounted on adjacent Digital Voice
Expansion Modules. Each Digital Voice Module
processes one DS0 voice channel.
Please note power supply requirements at the
end of this chapter.