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External and Rackmount Bell 202 Modems Legacy Modems: Bell 1250-PX External Bell 202S modem, 1251-KX External Bell 202T modem, 1244-PX Rackmount Bell 202S/T modem
A Variety to Choose From ( 1250-PX External Bell 202S modem, 1251-KX External Bell 202T modem, 1244-PX Rackmount Bell 202S/T modem
) Zypcom has three different Bell 202 compatible models from which to choose: the standalone 1250-PX modem is for dial-up applications like point-of-sale and inventory control; the standalone 1251-KX is for 2-wire leased line and 4-wire leased line applications like process control and security systems; the rackmount 1244-PX is for dial-up, 2-wire leased line and 4-wire leased line, high-density rackmount application. Bell 202S, 202T or 202S/T The 1250-PX, 1251-KX and 1244-PX modems are low-cost, highly-reliable replacements for any Bell 202S or 202C, Bell 202T, 202D or 202R or Bell 202S/T modem. Dial-up and Leased Lines Each Bell 202 modem in this family will connect to telco lines via RJ11C modular connector except the 1251-KX which connects via spade lugs. The dial-up, 2-wire or 4-wire modem 1244-PX also connects via RJ11C and operate in a point-to-point or multi-point application. High Reliability and Longevity The 1250-PX, 1251-KX and 1244-PX modems incorporate digital technology to achieve the highest performance and reliability. Low power CMOS components assure a quality modem with long-term stability. Voice/Data Switch The 1250-PX modem has voice/data and manual answer switches on its front panel so the modem can be operated in conjunction with a standard telephone handset. This feature eliminates the need for special telephones. Versatile Options Users can quickly change the functional operation of the 1250-PX, 1251-KX and 1244-PX with a flip of a switch. Careful selection of the options allows users to fine-tune a system for maximum throughput and compatibility. Specifications for 1250-PX External Bell 202S modem, 1251-KX External Bell 202T modem, 1244-PX Rackmount Bell 202S/T modem1250-PX, 1251-KX and 1244-PX Modems Compatibility 1251-KX: Bell 202T, 202D, 202R 1244-PX: Bell 201S, 202T, 202C, 202D Operating Speeds 0 to 1200 bps
Operation of 1250-PX External Bell 202S modem, 1251-KX External Bell 202T modem, 1244-PX Rackmount Bell 202S/T modem 1251-KX: 2-/4-wire leased line, full or half-duplex, point-to-point and multi-point 1244-PX: 2-wire dial-up, 2-/4-wire leased line, full or half-duplex, point-to-point and multi-point Data Format Asynchronous: serial, binary DTE Interface EIA-232-D, ITU-T V.24 Transmit Levels Dial-up: -10 dBm 0 to -12 dBm programmable Leased line: 0 dBm Receiver Sensitivity Dial-up: -10 to -43 dBm Leased line: 0 to -33 dBm Soft Carrier 900Hz Training Time 8.7ms, 30ms, 60ms, 205ms LED Display TXD, RXD, RTS, CTS, DSR, DTR, CXR, RI Front Panel Keys 1244-PX: ALB, RDLB, Transmit reversal Chassis Sixteen 1244-PX's will mount in the 1681C, four 1244-PX's will mount in the 1604 Diagnostics Self-Test (ST), ALB, DLB, End-to-end Dimensions 1244-PX: Height: 6.0"; width: .5"; length: 12.7"; weight: 1.1 lbs. Power Requirements 110VAC—95 to 127VAC, 60Hz, optional 12VDC, 24VDC and 48VDC Temperature Operating: 32°-122° F ambient; Store:-4°-158°F; Humidity:5-95%NC Compliance 1251-KX: FCC Part 68, Part 15_Class B 1244-PX: FCC Part 68, Part 15_Class A 1244-PX Auto-Dialer (requires optional 811 and 831 accessory cards) Protocols Bell 801 and Vadic 831 language Dialer Type & Data Type: Tone, pulse, and automatic Bell 801data: Parallel RS366, binary Vadic 831: Asynchronous, serial, 10bit Ordering Information for 1250-PX External Bell 202S modem, 1251-KX External Bell 202T modem, 1244-PX Rackmount Bell 202S/T modemThe 1250-PX includes a telephone cable with RJ11C connector for dial-up connection. The 1251-KX modems include a telephone cable with spade lug connectors for leased line connections. The 1244-PX includes a dial-up telephone cable with RJ11C connector—P/N 15027-004. For optional 12VDC, 24VDC or 48VDC power supply indicate after model number (ex. 1250-PX, 12VDC).
Models Description 1250-PX External Bell 202S modem 1251-KX External Bell 202T modem 1244-PX Rackmount Bell 202S/T modem Options 15044-004 1244-PX 4-wire leased line cable 15022-004 1244-PX 2-wire leased line cable 1681C Sixteen slot chassis for 1244-PX 1604 Four slot chassis for 1244-PX 811 Bell 801 rackmount dialer (RS366) 831 Adapter RS366 to RS232
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