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it has no B option.
C: M, S1, S2, S3, SS1 and SS2
distance is 0-25km. The Tx wavelength of optical port A is 1310nm and port B is 1550nm;
distance is 10-50km. The Tx wavelength of optical port A is 1310nm and port B is 1550nm;
D: AC, DC48 and DC24.
Part number example:
RCMS 2811-240FE-BL-S1-AC
The specification of this device is: standalone 19 inches, 8 channels 120Ωbalanced E1 interfaces,
one Fast Ethernet interface, one extend slot ( can insert V.35 card), transmission distance is 0-25km,
two 220V AC power supplies.
RCMS2811 Series Model List
The RCMS series standalone dual optical port Ethernet multiplexer has 5 models as below table:
Part Number
RCMS2811-240FE-BL
RCMS2811-480FE-BL
RCMS2811-120FE
RCMS2811-240FE
RCMS2811-480FE
BL means E1 is 120Ωbalanced interface.
Note: As to the 4 E1 channels multiplexer, it has both balanced and unbalanced E1 interface so
M means the optical port is dual-strand multi-mode and the transmission distance is 0-2km;
S1 means the optical port is dual-strand single mode and the transmission distance is 0-25km;
S2 means the optical port is dual-strand single mode and the transmission distance is 10-60km;
S3 means the optical port is dual-strand single mode and the transmission distance is 15-120km;
SS1 means the optical port is single strand single mode dual wavelength and the transmission
SS2 means the optical port is single strand single mode dual wavelength and the transmission
AC means the power supply is AC;
DC48 means the power supply is DC -48V;
DC24 means the power supply is DC +24V.
One 10/100Mbps auto-negotiation Ethernet port(RJ45), 8 E1 interfaces, 120
Ωbalanced (RJ45).
One 10/100Mbps auto-negotiation Ethernet port(RJ45), 16 E1 interfaces,
120Ωbalanced (RJ45).
One 10/100Mbps auto-negotiation Ethernet port(RJ45),4 E1 interfaces, both
120Ωbalanced (RJ45) and 75Ωunbalanced (BNC).
One 10/100Mbps auto-negotiation Ethernet port(RJ45), 8 E1 interfaces, 75
Ωunbalanced (DB37).
One 10/100Mbps auto-negotiation Ethernet port(RJ45), 16 E1 interfaces, 75
Ωunbalanced (DB37).
Description
User Manual
2
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