CHAPTER 1: Specifications

 

1. Specifications

Hardware

 

Required —

Cards can be installed only in MicroRacks (see

 

Section 4.1)

Cable Required —

For modem-to-modem line: Two- or four-wire

 

unconditioned twisted-pair, 19 to 26 AWG (see

 

the Appendix), pinned as shown in Section 4.5

Compliance —

FCC Part 15 Class A, DOC Class/MDC classe A

Interfaces —

Serial:

 

ME758C models: EIA/TIA-561 (compatible with

 

EIA RS-232 and ITU-TSS [CCITT] V.24);

 

ME759C models: EIA RS-232/ITU-TSS V.24

 

Line: Two- or four-wire telco;

 

Internal: Card-edge for moduleMicroRack

 

interconnection

Protocol —

Synchronous or asynchronous

Clock Source —

Internal, external (from DTE) or received (from

 

other Card) (user-selectable)

Data Format —

Word length (including start bit, data bits, stop bits,

 

and parity bit) must equal 8, 9, 10, or 11 bits (user-

 

selectable)

Flow Control —

Transparent to all types of software (X-ON/X-OFF,

 

robust X-ON/X-OFF, etc.) flow control; can be set

 

to support hardware flow control

Operating Mode —

Two-wire half-duplex or four-wire full- or half-

 

duplex (user-selectable)

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Black Box ME759C-RJ45, ME758C-RJ45, May-95, ME759C-RJ11, ME758C-RJ11 manual Specifications