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3512 CSU DSU
The Codex Motorola CSU/DSU
Motorola 3512 family

3512 family  3512 CSU/DSU Codex Motorola CSU/DSU

Now you can configure your own custom 64K DSU/CSU.

Customizable 1-, 2-, or 4-channel DSU/CSU offers a range of easy-to-order options, including Switched 56, TDM/MSU, DualVIEW, and more.

Features & Benefits | Specifications

Aggregates data from multiple devices over a single DDS link, eliminating costly multiple lines!
Optional Multipoint Mux allows operation of multiple applications on a single multipoint line.
Available with internal SLR or Switched 56 option (4-wire), giving you choice of integrated dial or 56K restoral for continuous transmission.
Lets you customize restoral lines according to your needs- integral A/B switch provides multiple-port restoral that switches all mux ports to external SW56 or dial back-up devices.
Operates as a limited distance solution, supporting point-to- point short-haul networks up to 56 kbps.
Point-to-point/multipoint rate adaption permits use of lower- priced digital services even if higher data rates aren't immediately required.
Remote Front Panel feature lets you configure remote 3512s from your own T3512.
Optional network management support for Codex 9300 and 9800 Series NMS Systems.

Full-duplex, 1-, 2- or 4-channel, async/sync, point-to- point or multipoint DSU/CSU or limited distance solution.
Data Rates
2.4, 4.8, 9.6, 19.2, 56, and 64 kbps*, plus uninterruptive secondary channel with DDS-II.
Customer Interface
E1A-232 or V.35, user selectable on all ports. Sync: 2.4 to 64 kbps. Async: 2.4 to 19.2 kbps. Maximum Aggregate: 55.2 kbps. (in TDM Applications).
Port 1
Physical: DB25(F). Electrical: EIA-232 or V.35.
Port 2-4
Physical: DB26(F). Electrical: EIA-232 or V.35. Integral A/B switch output on Port 2.
DDS Line Requirements
DATAPHONE Digital Services DDS I or DDS II.
Limited Distance Lines
Two 22- to 26-gauge private twisted pair; or unloaded, unconditioned phone company Local Data Channels.
Line Interface
6.6 in. (W) x 2.3 in. (H) x 9.6 in. (D); Wt.: 2.5 lbs. Power: 115 VAC; 10 Watts.
FCC Reg. #
Cables Supplied
RJ48S to RJ48S modular jack (15 ft.). *64 kbps Clear Channel (point-to-point only).
Exceptional Short-Haul Performance!

Typical Operating Range in Miles
T3512 Limited Distance Applications

Data Rate (bps) AWG 22 AWG 24 AWG 24
2400 14.2 10.9 7.9
4800 10.4 7.5 5.3
9600 9.1 7.0 5.1
19.2Kbps 7.9 6.2 4.3
56Kbps 5.5



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