Data Sheet DXC Modules D4T1, D8T1, D4T1L, D8T1L 4/8-Port T1 Interface Modules 4- or 8-port T1 interface modules for the DXC family D4T1 D8T1 D4T1L D8T1L of modular digital • Four- or eight-port T1 interface modules for the DXC family cross-connect units • D4 (SF) or ESF framing and unframed mode • Data rate up to 1.544 Mbps per port • AT&T TR-62411, ANSI T1.403,ITU-T Rec. G.703, G.704 and G.733 compliance • Routing of up to 192 timeslots (D8T1 modules) and 96 timeslots (D4T1 module) D4T1 and D8T1 are 4- or 8-port D4T1 and D8T1 support D4 (SF) and ESF T1 interface modules for use with the framing, as well as unframed mode. DXC-8R, DXC-10A and DXC-30 modular Special “light” module versions D4T1L and digital cross-connect units (not including D8T1L can be ordered if only framed DXC-100). The modules provide T1 links mode is needed. For long range over copper cable, and operate at T1 or applications, the modules feature an fractional T1 rates. integral CSU option, operating at ranges of 2.2 km (1.4 miles). The Access Company D4T1, D8T1, D4T1L, D8T1L 4/8-Port T1 Interface Modules D4T1 and D4T1L modules provide four Diagnostic capabilities include remote, Single-slot line redundancy (1:1) ensures balanced 4-wire interfaces terminated local, remote inband code-activated, FDL protective switching within less than with an RJ-45 connector per port. D8T1 line, and FDL payload loopbacks. All 50 msec, between ports on the same and D8T1L modules provide eight loopbacks can be independently activated module. balanced 4-wire interfaces terminated on each port. The modules occupy one I/O slot in the with two DB-25 connectors and one When used in signaling monitoring DXC chassis. DB-44 connector, respectively. applications, D4T1, D8T1, D4T1L and Setup, control, and diagnostics can be D8T1L modules enable DXC to collect the performed via a supervisory port using an signaling timeslots (such as SS7) from ASCII terminal or by the RADview-EMS. multiple leased lines and groom them over a single full T1 link to the protocol analyzer at a central site (see Figure 3). Figure 1. Typical High-Density Grooming with DXC-30 Figure 2. High-Density E1/T1 Conversion and Cross-Connect with DXC-8R Data Sheet Line Attenuation Connectors Specifications Short Haul (DSU): -10 dB D4T1, D4T1L: 4 × RJ-45 Number of T1 Ports Long Haul (CSU): -36 dB D8T1: 2 x DB-25 female D4T1, D4T1L: 4 D8T1L: 1 x DB-44 female Resistive Attenuation in Monitoring D8T1, D8T1L: 8 Lower gain: 12 dB Indicators (per port) Data Rate Higher gain: 20 dB D4T1, D8T1: no indicators 1.544 Mbps per port D4T1L, D8T1L: Jitter Performance Sync loss (red) – LOC, REM Compliance Per AT&T TR-62411 AT&T TR-62411, ANSI T1.403, Diagnostics Line Impedance ITU-T Rec. G.703, G.704, G.733 Local and remote loopbacks on each 4-wire, 100Ω module port Framing Pulse Shape Inband code activated loopback as per D4T1, D8T1: SF (D4), ESF, unframed Per ITU-T Rec. G.703 ANSI T1.403 D4T1L, D8T1L: SF (D4), ESF Port Timing Power Consumption Line Code Receive timing recovered from incoming D4T1, D4T1L: 5.5W (1.1A at +5 VDC) Bipolar AMI line signal D8T1, D8T1L: 7.25W (1.45A at +5 VDC) Zero Suppression Transmit timing locked to the DXC master Physical Transparent (no zero suppression) clock Occupies a single slot in a DXC-8R, B7ZS Timeslot Allocation DXC-10A or DXC-30 chassis B8ZS User-defined, any timeslot to any timeslot For comparison of DXC chassis, see Transmit Levels mapping Table 2. For the list of DXC I/O modules, DSU emulation: refer to the DXC-8R/10A/30 folder. ±3V ±10%, soft-adjustable, measured at 0 through 655 ft Configuration CSU mode: Programmable using DXC management via 0, -7.5, -15, -22.5 dB, soft-selectable LBO ASCII terminal, Telnet, or RADview-EMS Figure 3. Signaling Monitoring with DXC-8R 772-137-11/10 (10.1) Specifications are subject to change without prior notice. 1993–2010 RAD Data Communications Ltd. The RAD name, logo, logotype, and the terms EtherAccess, TDMoIP and TDMoIP Driven, © and the product names Optimux and IPmux, are registered trademarks of RAD Data Communications Ltd. All other trademarks are the property of their respective holders. Data Sheet D4T1, D8T1, D4T1L, D8T1L 4/8-Port T1 Interface Modules OPTIONAL ACCESSORIES Ordering CBL-D8T1-RJ45/X DXC-M-4T1 Adapter cable for converting two DB-25 4-port framed and unframed T1 interface connectors to 8 RJ-45 connectors (D8T1 module only) DXC-M-8T1 CBL-G703-8/RJ45/ST 8-port framed and unframed T1 interface Splitter cross-cable with station clock for module splitting the 44-pin module connector to DXC-M-4T1L 8 RJ-45 connectors (D8T1L only) 4-port framed T1 interface module CBL-G703-8/RJ45/X DXC-M-8T1L Splitter cross-cable for splitting the 8-port framed T1 interface module 44-pin module connector to 8 RJ-45 connectors (D8T1L only) Table 2. DXC Chassis Comparison Table Feature DXC-8R DXC-10A DXC-30 DXC-100* Height 1U 1U 3U 6U per nest Maximum number of ports 32 40 120 688 (8 nests) Number of I/O slots 4 5 15 86 (8 nests) System redundancy Built-in None Optional Optional E1, T1, E3, T3, STM-1 modules 9 9 9 9 XDSL, inverse multiplexing modules 9 9 9 – n x 56/64 kbps modules 9 9 9 9 Router, OC-3 modules – – – 9 ASCII, SNMP, RADview management 9 9 9 9 *The DXC-8R/10A/30 modules and DXC-100 modules are not interchangeable. International Headquarters North America Headquarters 24 Raoul Wallenberg Street 900 Corporate Drive Tel Aviv 69719, Israel Mahwah, NJ 07430, USA Tel. 972-3-6458181 Tel. 201-5291100 Fax 972-3-6498250, 6474436 Toll free 1-800-4447234 E-mail market@rad.com Fax 201-5295777 E-mail market@radusa.com The Access Company www.rad.com Order this publication by Catalog No. 803224 d