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1 PWR FL FF PWR FL FF S S R S SC CL R L R L X C R S SCP 1 UX L 1 HR R X SC-S 9-PR X RS C R V LL L SL V.F 8.8 RX CS G H L S S RS G CC L L 51 R C S L G 0'S Q F L S PV S F L 5001 U S K S S RS G L L R C WK FC C X RCV S H UL R C S R H L L L C S H UL R C S R H L L L C S H UL R C S R H L L L C S H UL R C S R H L L L C S H UL R C S R H L L L C S H UL R C S R H L L L C S H UL R C S R H L L L C S H UL R C S R H L L L C +LJK#6SHHG/#+LJK#'HQVLW\#0RGHPV# +LJKLJKWV # High-speed access for remote L, nternet, and modem pooling applications High density, rackmount packaging for installation in a wide variety of GC shelves and enclosures ata speeds up to 33.6 Kbps with up to 18 Kbps throughput GC s built-in Steadfast Password and Handshake Security features protect your critical applications ptional RUS feature provides authentication for dial-in users (co-located SC card required). ptional S ncryption feature encrypts data (async only) at both ends of the network ptional Secure ccess odem feature supports the Secure ccess Controller system which sets up a secure tunnel for S encrypted data to authenticated users. ntuitive SP management; Flash memory YHUYLHZ GC s SpectraComm ual V.34 device provides two high performance V.34 modems with autodial and autoanswer for switched network operation. deal for modem pooling, remote L access, nternet access, and other applications, the unit transmits synchronous or asynchronous data at speeds up to 33.6 Kbps over dial-up or -wire private lines. he V.34 modulation and V.4/V.4bis error correction and compression achieve effective throughput of up to 64 Kbps in synchronous, and 18 Kbps in async applications. # 6HWWLQJ#WKH#6WQGUG he SpectraComm ual V.34 supports V.34, V.3 bis, V.3, V. bis, V., V.1, ell 1 and ell 103 standards, providing for maximum connectivity and operational flexibility. he SpectraComm ual V.34 provides V.34 and slower standard speeds through a powerful igital Signal Processor-based (SP) platform. Using utorate Renegotiation, it dynamically adjusts operating rates to compensate for switched network line impairments, for superior performance, even over P circuits that may vary in quality. You can use the public network to support high speed applications (e.g., remote L or nternet access) that in the past would have required more reliable, but often less economical, dedicated links. 6FH#QG#)H[LH#&RQQHFWLYLW\ he SC ual V.34 modem is a 7-inch by 9.5-inch (178 mm by 41 mm) printed circuit card that conforms to GC s SpectraComm format (Figure 1). s part of the Spectra- Comm family of products, S-compliant SC ual V.34 installs in any GC shelf or enclosure: the -slot SC000 shelf or, for higher density applications, the 16-slot SC5000 shelf. For standalone, non-s CP applications, the modem installs just as easily in the single-slot Spectra- Comm or C standalone enclosures. his Spectra- Commonality makes a manageable, scalable environment that accommodates your network s needs. Figure 1: SPCCLY: Same Card - any nstallation ptions wo SC ual V.34 modems in a SC 000 Shelf (-Slots) S R H C S R H C L L L UL S R H C S R H C L L L UL S R H C S R H C L L L UL SC ual V.34 in a SpectraComm Standalone nclosure (1-Slot) SC 5000 Shelf (16-Slots) W F P R P R F PS-19 PWR SUPPLY PS-19 PWR SUPPLY Power SC Supplies Compatible SpectraComm Cards SC ual V.34 odem Cards

2 )HWXUHV#)#%HQHLWV ntegral synchronous/asynchronous operation: Synchronous rates to 33.6 kbps, synchronous rates to 18 kbps. -wire, full-duplex, switched network operation using permissive transmit level. - wire private line operation, with selectable transit level. utomatic VF line rate determination in V.34 and V.3 bis modes, with fallforward/fallback. V.4/P error control. V.4 bis/p-5 asynchronous data compression. Supports P-10 for cellular phones. Synchronous data compression (supports rates up to 18 kbps). /-60 Command Set support. V.5 bis compatible command protocol support. Remote Configuration to change a user s configuration profile of a remote modem. Front panel with push-button testing and 17 status indicators Flash memory for downloading modem firmware. Permanent storage of modem configuration profiles in non-volatile memory. xternal, nternal, or Receiver Recovered transmit timing. aximum line rate selection. synchronous character lengths of 8, 9, 10, and 11 bits. ntelligent Serial erminal ialer via the interface, using the command set. Stores up to ten telephone numbers for easy dialing. Pulse or tone dialing. utomatic answer. nalog Loopback with or without Self-est features. igital Loopback and Remote igital Loopback. nd-to-nd Self-est (511 or in FSK L pattern). Supports FX Class 1 operation. When factory-optioned for RUS, the modem provides remote authentication for dial-in users. When factory-optioned for S encryption, the modem encrypts/decrypts ransmit and Receive data (async only) at both ends of the network When factory optioned as a Secure ccess modem, employs public and private keys generated by authentication servers to allow secure, out-of-band management access to remote users via secure tunnels. )H[LH#0QJHPHQW LCL G RUS Server(s) PWR SUPPLY PWR SUPPLY SpectraComm GR SpectraComm he SC ual V.34 modem be managed using a co-located SpectraComm anager card (SC) that serves as the SP agent. he modem can also be monitored and configured locally via the SC craft port, the SC L interface, or via a elnet session to the SC. commands can be sent to the modem locally using either the command or the U- V.5 bis command set, or remotely through an off-site ual V.34 modem and. L USR PPP or thernet Shelf ackplane evices shown in SC 5000 Shelf P R L- USR he modem includes front panel controls for testing. he software of the ual V.34 odem includes Simple etwork anagement Protocol (SP) anagement nformation ase () files that enable control by an SP network controller. SpectraComm anager (SC) card is required to access the s.

3 %XLW0LQ#6HFXULW\#)HWXUHV SpectraComm V.34 modems supply a variety of built-in security features for dial-in users. With the built-in Stead- Fast Handshake Security enabled in SC V.34 modems at both the originating and answering sites. s part of its handshake, the answering GC modem sends the originating GC modem a cell password that must have been previously stored in both modems. GC's SteadFast Handshake Security is hacker-proof and will not permit unknown modems to communicate (Figure ). With the built-in SteadFast n-line Password security, the SC V.34 modem is configured with stored cell passwords (Figure ) to respond to dial-in users as follows: With Callback Security, after accepting the online password, the modem disconnects and calls back the originating modem. With Roving Callback, after accepting the online password, the V.34 modem prompts the caller for a callback phone number. With Cell Callback, after accepting the online password, the modem prompts the caller for a memory cell number, disconnects the call and then places a return call using the phone number stored in that cell. SWLRQ#$XWKHQWLFWLRQ#)#(QFU\SWLRQ GC modems can employ RUS (Remote uthentication for ial-n Users) to authenticate users from a secure and centralized database of RUS usernames, passwords and challenges. RUS uthentication will accept, challenge and reject dial-in users via secure RUS servers. he RUS ccounting feature offers call tracking and billing information. With the S ncryption option, the modem encrypts async data sent across the communications facility via a dialup or leased line connection. wo GC modems optioned for data encryption are required at either end of the link. he modems perform all data encrypt/decrypt functions without burdening customers' applications, and without the need of purchasing additional hardware. Userselectable encryption modes and key sizes are supported. 7ULSH#3URWHFWLRQ n capable modems, commands can be used to combine security features: S ncryption or RUS or SteadFast Security only Steadfast Security and S ncryption Steadfast Security, S ncryption and RUS. Figure : uilt-in Security Features SteadFast and nline Password Security CL S L SC V.34 UL F HSHK CLL PW S Y V.34 PW RJC P/W CCP x -L PW SCURY S HSHK R L- USR SC V.34 UL CLL P/W R L S PRPS FR CLL PW PW CCP CLLCK PW RJC P/W CCP YPCL -L PW ( SCURY SQUC) x CLLR PRP Y SWRG R L- USR he central site SC V.34 ual modem is typically installed with the SC in the low density SC 000 shelf or the high density SC 5000 shelf. Remote SC V.34 ual modems are typically installed in the single-slot SpectraComm C or C standalone enclosures. Y CLLR PRP Y SWRG

4 SWLRQ#6HFXUH#$FFHVV#&RQWUR he Secure ccess Controller (SC) system consists of secure servers and a factory--optioned GC V.34 modem that authenticate remote users attempting to access protected network equipment, such as switches, routers, multiplexers, etc. he uthentication Server generates the private key exchanged by the modem and server, and the public key exchanged by the modem and remote user s client software. ach connection sets up a secure tunnel that passes S-encrypted data to the authorized user. When a user terminates a management session, the Secure ccess odem requests a connection to the uthentication Server to obtain another new private key, thus preventing further access from the previous remote user or intruders. he Secure ccess odem is user-configured via extended commands typed at one of its management interfaces (elnet via the SC, the SC craft port, or a terminal connected to the modem s connector). Figure 3 demonstrates a typical network configuration and the authentication sequence that occurs when a remote user attempts a management connection to protected network equipment. $XWKHQWLFWLRQ#6HXHQFH 1. he Secure ccess odem obtains a new private key from the uthentication Server via a secure tunnel at every powerup, reset, key timeout, or session end.. Remote users make a connection to the uthentication Server through the P via a modem. he remote user employs client software to request a connection to the Secure ccess odem. his involves contacting the uthentication Server to check the user's and password, and then initiating a client software connection with the requested Secure ccess odem. nce the remote user is authenticated as a trusted user, the uthentication Server transfers the necessary connection data and a public key to the client software and disconnects from the user. 3. he client software then calls the Secure ccess modem and performs a public key exchange over a secure tunnel via the P. 4. he authorized user is allowed encrypted and authenticated management access to the appropriate protected network equipment using S data encryption. Figure 3: Security & uthentication Secure ccess odem uthentication CL FFC or CUR PRS PULC R USR Secure connection to Server Primary uthentication Server Site PRRY UHC SRVR odem calls Server for ew Key 1 SC ual V.34 (S) CL P K C WRK G of SC ual V.34 odem/s Remote User modem 3 calls S odem 3 Secondary uthentication Server Site odem connects secure call to Switch 4 (See detail) GC V.34 odem to modem, or Commands to modem, or via SC to modem K SCRY UHC SRVR to SWCH or other PRC QUP 4 (etail View) uthenticated Remote User Secure unnel S Protected quipment ecrypted ata ncrypted ata ncrypted ata ecrypted ata

5 6&#'X#9167#3K\VLF#6SHFLLFWLRQV Single-slot lade Width: 178 mm (7.0 in) Height: 1 mm (0.81 in) epth 41 mm (9.5 in) Weight: 0.8 kg (10 oz) (QYLURQPHQW#6SHFLLFWLRQV# on-perating Specifications emperature: -40 to 85 degrees C (-40 to 185 degrees F) Relative Humidity: 5% to 95% ltitude: 0 to 1,191 m (40,000 ft) perating Specifications emperature: 0 to 50 degrees C (3 to 1 degrees F) (erate by 1 deg C/1000 ft above sea level) Relative Humidity: 5% - 95% non-condensing ltitude: 0 to 3,047 m (0 to 10,000 ft) (HFWULF#&KUFWHULVWLFV Power (C or C), voltage, frequency, and fusing determined by your SpectraComm shelf or enclosure. Power issipation: 6 Watts per slot maximum &RPSLQFH#)#&RPSWLLLW\ Safety: UL pproved S Level Certified : FCC Part 15, Subpart J (Class ) pproved elco: FCC Part 68 pproved Quality ssurance: S 9001:000 Certified 6HFXULW\#QG#$XWKHQWLFWLRQ#)HWXUHV uilt-in SteadFast Handshake Security uilt-in nline Password Security ptional RUS uthentication and ccounting ptional S ncryption Security ptional Secure ccess odem (S) uthentication ote: Several combinations of security and authentication features can be configured simultaneously in the modem. SHUWLRQ#6SHFLLFWLRQV odulations/ata odes V.34 - Up to 33.6 Kbps with fallback speeds V.3 bis, V.3, V. bis, V., V.1, ell 1/103 Factory option available for Point-of-Sale (PS) fast handshake peration sync only data rates: 300 bps (U- V.1 or ell 1) sync Character codes: 8, 9, 10, or 11-bit characters, V.14 compliant perating ode: Switched network or -wire private line perating Format: Synchronous or synchronous qualization: utomatic, daptive Character etect cquisition: ssured with a receive level at or above -43 d; Leased line level: -33 d (or per country requirement), -wire Carrier etect Release: ssured with a receive level at or below -48 d; Leased line level: -38 d (or per country requirement), -wire rror Correction: U- V.4 and P-4 or P-10 for cellular operation ata Compression: sync: U- V.4 bis and P-5 giving a throughput up to 18 Kbps Sync: Synchronous data compression (proprietary throughput up to 64 Kbps Configuration and Control: xtended command set; V.5 bis; elnet; Front panel initiated test modes ownload Flash emory est ode: V.54 Compliant nalog Loop, Remote igital Loop, igital Loop, and Self est Remote Configuration: commands; elnet through the SC Flow Control: X/XFF, RS/CS, xternal / -3- signaling using CS Call onitoring:, V.5 bis, ndicator Ls RS/CS elay: 10 to 50 ms in 10 ms steps; V.13 compliant Line nterface: RJ45 switched network, RJ45 private line Front Panel Ls: Power n, Send ata, Receive ata, ff Hook, Carrier n, erminal Ready, est, larm Front Panel Switches: Self est; nalog Loopback utput Level: Permissive (-9dm or per country requirement); djustable (0 to -15dm) nterface: /-3-/U- V.4/V.8/S 110 $#VSHFLLFWLRQV#VXHFW#WR#FKQJH#ZLWKRXW#QRWLFH1# #533<#*HQHU#'W&RPP1# $#ULJKWV#UHVHUYHG1#Š#*HQHU#'W&RPP/#*'&#QG#WKH#*'&#RJR#UH#UHJLVWHUHG#WUGHPUV#R#*HQHU#'W&RPP/#,QF1 0085_scv34dual_ds04 ov09