Small Form-Factor Pluggable (Sfp) Ports - Cisco 1240 Hardware Installation Manual
Connected grid router
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Also See for 1240:
- Configuration manual (40 pages) ,
- Hardware installation manual (216 pages) ,
- Design and deployment manual (184 pages)
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Hardware Features Detailed Description
D E C . 2 0 1 1 — E F T R E V I E W D R A F T — C I S C O C O N F I D E N T I A L
Specifications
Specification
Connector type
Cable
Pinouts
Signaling
Max. drivers
Max. receivers
Operating mode
Network topology
Max. distance (standard)
Max speed
(at 12 m/1200 m)
Max. slew rate
Receiver input resistance
Driver load impedance
Receiver input sensitivity
Receiver input range
Max. driver output voltage
Min. driver output voltage (load)
Pinouts
Small Form-Factor Pluggable (SFP) Ports
Figure 2-18
Cisco 1240 Connected Grid Router Hardware Installation Guide
2-24
RS232
RJ-45
Cisco serial transition cable that matches the signaling protocol
See
Connector and Cable Specifications
Single-ended
1
1
Full duplex
Point-to-point
15 m
20 Kbps/1 Kbps
30 V/ìs
3..7 kÙ
3..7 kÙ
±3 V
±15 V
±25 V
±5 V
See
Connector and Cable Specifications
Router SFP Ports
Chapter 2
Router Hardware Description
RS422
RS485
Differential
Differential
1
32
10
32
Half duplex
Half duplex
Full duplex
Full duplex
Multidrop
Multipoint
1200 m
1200 m
10 Mbps/100 Kbps
35 Mbms/100 Kbps
NA
NA
4 kΩ
12 kΩ
100 Ù
54 Ù
±200 mV
±200 mV
–7..12 V
±10 V
–7..12 V
±6 V
±2.0 V
±1.5 V
OL-12345-01
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