
2-4
Table 2-1 Device dimensions and rack requirements
Model Chassis dimensions Rack requirements
S12516R
•Height—931 mm (36.65 in)/21 RU
•Width—440 mm (17.32 in)
•Depth of the chassis only—857 mm (33.74
in)
•Total depth—977 mm (38.46 in)
{102 mm (4.02 in) from the rear side of the
mounting bracket front ear to the cable
management bracket front end
{875 mm (34.45 in) from the rear side of the
mounting bracket front ear to the fan tray
handle at the rear of the chassis
•A minimum of 1.1 m (3.61 ft)
in depth (recommended)
•A minimum of 130 mm (5.12
in) between the front rack
post and the front door.
•A minimum of 950 mm (37.40
in) between the front rack
post and the rear door.
S12508R
•Height—531 mm (20.91 in)/12 RU
•Width—440 mm (17.32 in)
•Depth of the chassis only—857 mm (33.74
in)
•Total depth—977 mm (38.46 in)
{102 mm (4.02 in) from the rear side of the
mounting bracket front ear to the cable
management bracket front end
{875 mm (34.45 in) from the rear side of the
mounting bracket front ear to the fan tray
handle at the rear of the chassis
S12504R
•Height—264 mm (10.39 in)/6 RU
•Width—440 mm (17.32 in)
•Depth of the chassis only—857 mm (33.74
in)
•Total depth—977 mm (38.46 in) when the
LSXM104XFAN fan trays are installed:
{102 mm (4.02 in) from the rear side of the
mounting bracket front ear to the
management bracket front end
{875 mm (34.45 in) from the rear side of the
mounting bracket front ear to the fan tray
handle at the rear of the chassis
•Total depth—1016 mm (40 in) when the
LSXM104XFANH fan trays are installed:
{102 mm (4.02 in) from the rear side of the
mounting bracket front ear to the
management bracket front end
{914 mm (35.98 in) from the rear side of the
mounting bracket front ear to the fan tray
handle at the rear of the chassis
NOTE:
As a best practice, use a rack that has a single door at the front.
Attaching slide rails to the rack
IMPORTANT:
The device is heavy. Install the slide rails at the lowest possible position.