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IPmux-1/1E Installation and Operation Manual Chapter 1 Introduction
Technical Specifications 1-25
T1 Framing
Compliance
Framing
Signaling
ANSI T1.403
Pass through, SF, ESF
CAS (bit robbing), CCS (transparent)
Local
Terminal and
Control
Interface
Mode
Baud Rate
Connector
DB-9, female
RS-232/V.24 (DCE)
9.6, 19.2, 38.4, 57.6, 115.2 kbps
DB-9
Ethernet
Compliance
Connector
Ports
Data Rate
Range
IEEE 802.3, 802.3u, Ethernet, 802.1p&q
UTP: RJ-45, 8-pin
Fiber: SC (without user port), LC (with user port)
1 or 2 (if user port is used)
UTP: 10 Mbps or 100 Mbps, full or half duplex
Fiber: 100 Mbps full duplex
Up to 100m on UTP Category 5 cables
For optical interfaces: see optical budget calculation
(Features)
Analog Voice
Number of voice
channels
4
Modulation method
PCM (per ITU-T G.711 and AT&T PUB-43801)
µ-Law or A-Law
Interfaces
FXS: Loop start for direct connection to a 2-wire
telephone
Nominal level: 0 dBm
Nominal impedance: 600Ω
Return loss (ERL): Better than 20 dB
Frequency response: (Ref: 1020 Hz)
• ±0.5 dB, 300 TO 3000 Hz
• ±1.1 dB, 250 to 3400 Hz
Signal to total distortion, G.712, G.713 method 2:
• 0 to –30 dBm0, better than 33 dB
• +3 to –45 dBm0, better than 22 dB
Idle channel noise: Better than –70 dBm0 (+20 dBrnc)
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