PATCHMATE CHAS 9 POS MINI The PMCH-2-9 is a 9-position unloaded PatchMate chassis designed to be used with modules that do not require power. The chassis accepts nine, single-width modules or three dual-width modules mounted horizontally. The chassis is compatible and labeled for EIA-530, EIA-232/V.24, and V.35 PatchMate Modules. It occupies two rack space (3.5" [8.89 cm]) in a standard equipment cabinet. Built-in cable tray and front-mounted designation labels allow easy cable management and circuit identification.