Increasing demand for bandwidth-intensive services and wide-area network (WAN) connectivity requires that network administrators maximize the capacity and efficiency of network routers. Cisco Systems' serial port adapters provide network administrators with flexible options for a broad range of port density requirements. Cisco's eight-port serial port adapter enhances network performance at a low price per port---making them a cost-effective solution for maximizing router efficiency.
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Description
Specification
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Description
Product Features:
- Wired
- CardBus
- 4 Mbit/s
Cisco 8 Port X21 4 Mbit/s
8 - Serial X21 Port Adapter for Cisco 7200 Family Routers
Cisco 8 Port X21, Wired, CardBus, 4 Mbit/s, Silver
Cisco 8 Port X21. Connectivity technology: Wired, Host interface: CardBus. Maximum data transfer rate: 4 Mbit/s. Product colour: Silver
Specification
Ports & interfaces
Connectivity technology
Wired
Host interface
CardBus
Network
Maximum data transfer rate
4 Mbit/s
Ethernet LAN
Yes
Full duplex
Yes
Design
Product colour
Silver
Plug and Play
Yes
Safety
UL/CSA/IEC/EN 60950-1, IEC/EN 60825 Laser Safety, AS/NZS 60950, FDA Code
Operational conditions
Operating temperature (T-T)
0 - 40 °C
Storage temperature (T-T)
-40 - 70 °C
Operating relative humidity (H-H)
5 - 85%
Storage relative humidity (H-H)
5 - 95%
Operating altitude
-60 - 4000 m
Weight & dimensions
Weight
240 g
Other features
I/O ports
1 x DB25
Dimensions (WxDxH)
171 x 184 x 20 mm
Ports quantity
8
Link/Act LED
Yes