Cisco 1720 Технічний паспорт - Сторінка 11
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• One auxiliary (AUX) port
– RJ-45 jack with EIA/TIA-232 interface
– Asynchronous serial data terminal equipment
(DTE) with full modem controls Carrier Detect,
data set ready (DSR), Request To Send (RTS),
Clear To Send (CTS)
– Asynchronous serial data rates up to 115.2 kbps
• One console port
– RJ-45 jack with EIA/TIA-232 interface
– Asynchronous serial DTE
– Transmit/receive rates up to 115.2 kbps (default
9600 bps, not a network data port)
– No hardware handshaking such as RTS/CTS
• One internal expansion slot for support of
hardware-assisted services such as VPN encryption
(up to T1/E1 performance)
WAN Interface Specifications (Optional)
• Synchronous serial interfaces on serial WAN
interface cards
– Interface speed: up to 2.0 Mbps (T1/E1)
– Synchronous serial protocols: Point-to-Point
Protocol (PPP), High-Level Data Link Control
(HDLC),
Link Access Procedure, Balanced (LAPB), IBM
Systems Network Architecture (SNA)
– Synchronous serial WAN services: Frame Relay,
X.25, SMDS
– Synchronous serial interfaces supported on the
WIC-1T, WIC-2T, and WIC-2A/S cards: V.35,
EIA/TIA-232, EIA/TIA-449, X.21, EIA-530
• Asynchronous serial interfaces on serial WAN
interface cards
– Interface speed: up to 115.2 kbps
– Asynchronous serial protocols: PPP, Serial Line
Internet Protocol (SLIP)
– Asynchronous interface: EIA/TIA-232
• ADSL WAN interface card
– Supports ATM adaptation layer 5 (AAL5)
services and applications
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– Interoperates with Alcatel DSL access
– Complies with ANSI T1.413 issue 2 and ITU
• G.shdsl WAN interface card
– Based on the ITU G.991.2, delivers symmetrical
• ISDN WAN interface cards
– ISDN dialup and ISDN DSL (IDSL) at 64 and
– Encapsulation over IDSL, Frame Relay, and PPP
Dimensions and Weight
• Width: 11.2 in.(28.4 cm)
• Height: 3.1 in. (7.85 cm)
• Depth: 8.7 in. (22.1 cm)
• Weight (maximum): 2.9 lb (1.32 kg)
Power
• Locking connector on power socket
• AC input voltage: 100 to 240 VAC
• Frequency: 47 to 64 Hz
• AC input current: 0.5 amps
• Power dissipation: 20W (maximum)
Environmental
• Operating temperature: 32 to 104 F (0 to 40 C)
• Nonoperating temperature: –4 to 149 F(–20 to 65 C)
• Relative humidity: 10 to 85% noncondensing
operating; 5 to 95% noncondensing, nonoperating
Safety
• UL 1950
• CSA 22.2—No. 950
• EN60950
• EN41003
Cisco Systems, Inc.
Page 11 of 12
multiplexer (DSLAM) with Alcatel chipset and
Cisco 6130/6260 DSLAM with Globespan
chipset
992.1 (G.DMT)
data rates from 192 kbps to 2.3 Mbps; speeds
vary, depending on loop length and line
conditions
128 kbps