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Size:
5.56" W x 7.3" D x 1.75" H
(14.12cm W x 18.54cm D x 4.44cm H)
Weight:
0.8 lb. Bridge only (0.36 kg)
Power:
Wall-mount 6 or 12 watt AC to DC adapter.
12vDC @ 0.5 amp max output. AC input to meet country-specific input
requirements.
- USA: 115 Vac, 60 Hz, 0.2 amp max
- Europe: 220 Vac, 50 Hz, 0.1 amp max
- Other: 230 Vac, 60 Hz, 0.1 amp max
Temperature:
Operating: 0 to 40 degrees C
Non-operating, storage: -10 to 85 degrees C
Humidity:
10 to 90% noncondensing
Ethernet Interface
Cabling:
Unshielded Twisted Pair (UTP) Category 3, 4, or 5
(IEEE 802.3 Standard Compliant)
Connector:
Eight-contact, shielded RJ45
DSL Interface
Connector:
Two-contact, shielded RJ45 (pins 4 and 5) isolation per IEC 950.
(Consult Efficient Networks for alternate available pinouts)
Operating
18,000 feet max. at 192KB on standard 26 AWG copper pair wire
distance:
(varies by data transmission rate)
ATM
- One Permanent Virtual Circuit supported VPI=0, VCI=38
Interface:
- F4/F5 loopback cells supported
- Multiprotocol over ATM AAL5 (MPOA) per RFC 2684 Multiprotocol
encapsulation over ATM Adapter Layer 5
- Logical Link Control (LLC)/Subnetwork Access Protocol (SNAP)
encapsulation over ATM per RFC 1483
Ethernet
10 Mbps half duplex
Interface:
Bridging:
- LLC encapsulation of Ethernet packets to/from the ATM interface
- LLC duplication supported (for frames whose source MAC
address and destination MAC address are the same, learns address,
but does not forward)
- Supports learning of up to 14 MAC addresses
5251 Specifications
5251 Configuration Settings
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