SE
optical amplifier
ADA-21
Sigma Elec
Sigma Elec ADA-21: an optical amplifier (AUDIO DISTRIBUTION AMPLIFIER CARD). Circular Telecom resells surplus and refurbished units of parts like this, helping...
OEM Index
Sigma Elec telecom parts
Browse available Sigma Elec part references across Circular Telecom's refurbished, new, and surplus telecom equipment catalogue.
Page 1
Sigma Elec part numbers
SE
optical amplifier
ADA-21S
Sigma Elec
The ADA-21S is an optical amplifier manufactured by Sigma Elec. Listed by the manufacturer as "AUDIO DISTRIBUTION AMPLIFIER CARD", it is available through Circular...
SE
circuit card / line card
DVA2104
Sigma Elec
Manufactured by Sigma Elec, the DVA2104 (1X4 ASI/SDI DIGITAL VIDEO CARD) is a circuit card / line card. Circular Telecom sources, tests, and resells surplus and...
SE
memory module
SS-2100-16
Sigma Elec
Sigma Elec SS-2100-16: a memory module (MODULE MOUNTING FRAME). Circular Telecom resells surplus and refurbished units of parts like this, helping operators extend...
SE
circuit card / line card
VDA-21
Sigma Elec
Looking for the Sigma Elec VDA-21? This circuit card / line card, described by the manufacturer as "1x6 VIDEO DISTRIBUTION CARD", is stocked and resold through Circular...