MAIN LINK MODULE
Main Link Module includes a single Ethernet
port standard with addition of redundant E1 or T1 ports
optional
Ethernet Port
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Number of Ports
1
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Standards
IEEE802.3, 802.3u, Ethernet, 802.1p&q
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Data Rate
10 or 100 Mbps, half duplex or full duplex,
auto-negotiate
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Statistics
According to RFC 1643, or RFC 2665:
Received frames:
Correct Frames, Correct Octets, Alignment
Errors, FCS Errors.
Transmitted frames:
Correct Frames, Correct Octets, Single
Collision,Multiple Collision, Deferred Transmission, Late
Collision, Carrier Sense Error
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Indicators
ACT (green) � blinks when traffic is detected over the
Ethernet line
LINK (green) � ON when Ethernet line is O.K.
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Copper UTP Interface
Range: up to 100m on UTP
Cat.5 cable
Connector: RJ-45
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Multimode Fiber Interface
Fiber type: 1300 nm, multimode
Max range: 2 km (1.2 mile)
Connector: LC
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Single Mode Fiber Interface
Fiber type: 1300 nm, single mode
Max range: 20 km (12 mile)
Connector: LC
Note:
Maximum range achieved is subject to actual fiber conditions.
E1 Ports
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Number of Ports
2 (one active, other for backup)
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Connectors (per port)
RJ-45 for balanced interface
Note:
CBL-RJ45/2BNC adapter is available for converting each Main
Link module E1 port RJ-45 connector into a pair of of BNC
connectors for unbalanced coax interface.
T1 Ports
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Number of Ports
2 (one active, other for backup)
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Statistics
Full statistical diagnostics capability
according to ANSI T1.403-1989
Local support of ESF diagnostics according to
AT&T PUB 54016
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Connectors (per port)
RJ-45 for balanced interface
Control Port
For direct connection of terminal, located on
the Main Link module
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Standards
RS-232/V.24 (DCE)
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Data Rate
9.6, 19.2, 38.4, 57.6 or 115.2 kbps
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Connector
DB-9, female
VOICE COMPRESSION MODULES
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Compression Algorithms
G.723.1 (6.4 kbps), G.729 A
(8 kbps), G.711 (a-law and � -law)
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Silence Suppression
G.723.1 A, G.729B
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Echo Cancellation
16 msec per channel as per G.168
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Fax Relay
Group III, 2.4 to 14.4 kbps
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Voice Band Data
Transparent support for modems
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Signaling Support
Transparent CAS signaling, including R2 and E&M
Transparent CCS signaling, including ISDN, QSIG and SS7
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MF Signaling Support
DTMF, MFR2, MFC detection, generation and
relay
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Ports per Module
according to ordering:
E1 Port Modules
2 (60 channels max) or
4 (120 channels max),
T1 Port Modules
2 (48 channels max) or
4 (96 channels max)
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Power
Input (according to ordering):
AC: 100 to 240 VAC, 50/60 Hz
-48 VDC: -36 to -72 VDC
24 VDC: 18 to 36 VDC
Output (per module):
Up to 15A of 3.3 VDC
Up to 5A of 5 VDC
60W Total
Note : Two hot-swappable power supply
modules can be installed for redundancy and load-sharing.
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Physical
Height: 4.3 cm/1.7 in (1.U)
Width: 43.5 cm/17.1 in
Depth: 24.0 cm/9.5 in
Weight: 7 kg /15.5 lb
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Environment
Operating temperature: 0 to 50 � C / 32 to 122
� F
Storage temperature: -20 to 70 � C / -4 to 158
� F
Humidity: Up to 90%, non-condensing
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