ASM-MN-214 Hub for Short Range Modems FEATURES • Hot swapping of cards and • Separate power supplies for • High density 19" modem power supplies full redundancy rack • Optional power feeding • 4U high • Any combination of up to from different sources 14 modem cards (AC or DC) • Fiber optic and copper wire modems in a single modem rack ASM-MN-214 Hub for Short Range Modems DESCRIPTION • Operating over 2-wire, 4-wire or • The ASM-MN-214 rear panel fiber optic, baseband modems consists of fourteen 5-screw, support data rates from 300 bps to snap-type terminal blocks and • ASM-MN-214 is a 19", 4U high, 2.048 Mbps. ASM-MN-214 fourteen 25-pin, D-type rack-mount, hub for Short Range provides a cost effective and connectors (one terminal block Modems. The hub accommodates reliable concentration point for and one DB-25 connector per up to 14 cards, and supports more multiple baseband links card). than 20 different types of cards. supporting last mile or campus Any combination of modem cards • Modems with X.21 or V.35 applications. can be installed. Cards can be interface require an external removed or inserted during • ASM-MN-214 can be powered mechanical adapter. CIA/X.21 can operation without interference to from either AC or DC power be ordered for converting two operation of other cards. sources, or from both. Each power adjacent DB-25 connectors to two supply supports a full rack of X.21 15-pin connectors, CIA/V.35 cards, regardless of type. The hub for converting one DB-25 accommodates two separate connector to a V.35 34-pin power supplies that back up each connector. other in case of failure. Each power supply can be replaced during operation without affecting the operation of other modems (hot swapping). APPLICATION ASM-MN-214 Hub for Short Range Modems Table 1. Modem Cards for ASM-MN-214 Type of Module Name of Module Main Features Synchronous Short Range Modems ASM-20/R up to 256 kbps ASM-24/R 144 kbps, based on PR-4 ASMi-24/R 144 kbps, with remote management ASM-40/R 2048 kbps ASM-45-1/R 768 kbps ASMi-50/R 64–1152 kbps, based on LA-DSL FOM-E1/T1/R E1/T1 fiber optic FOM-40/R 2048 kbps, fiber optic MTM-15/R 19.2 kbps, medium range MTM-20/R 64 kbps, medium range Sync/Async Short Range Modems ASM-10/8/R 19.2 kbps ASM-31/R 128 kbps, all rate 2-wire ASMi-31/R 128 kbps, with remote management FOM-20/R 19.2–256 kbps, fiber optic LDV-2/R 19.2 kbps, 2-wire, data-over-voice Fractional CSU/DSU FCD-1L/R T1, CSU/DSU FCD-2L/R E1, DSU FCD-2L/R/LTU E1, with LTU Rate and Interface Converter SPD-703-1/R 64 kbps, codirectional Note: See specific data sheets for details on each card. ASM-MN-214 Hub for Short Range Modems SPECIFICATIONS ORDERING CIA/+ Mechanical adapter converting • Number of Slots ASM-MN-214/*/#/& DB-25 connectors into standard 14 slots for cards 19" Hub for Short Range Modems connectors • Power ASM-214-PS/* + Specify CIA connector type: 115 or 230 VAC (±10%), 100W Power supply for ASM-MN-214 X21 for X.21 D-type, 15-pin 47–63 Hz connector for two adjacent 48 VDC, 150W, 42–64 VDC * Specify main power supply: 24 VDC, 150W, 18–32 VDC modem cards 115 for 115 VAC supply V35 for V.35 34-pin connector for • Connectors 230 for 230 VAC supply one modem card Line: 14 5-screw, snap-type 48 for 48 VDC supply terminal blocks 24 for 24 VDC supply ASM-MN-114-BP DTE: 14 25-pin, D-type female Blank panel for ASM-MN-214 connectors # Specify redundant power supply: 115 for 115 VAC supply • Physical 230 for 230 VAC supply Height: 18.0 cm / 7.0 in (4U) 48 for -48 VDC supply Width: 48.2 cm / 19.0 in Depth: 26.7 cm / 10.4 in 24 for 24 VDC supply • Environment & Specify line connector: Temperature: 0-50°C / 32-122°F BNC for BNC and RJ-45 line Humidity: up to 90%, connectors non-condensing (Default is terminal block.) 609-100-03/00