Comtech EF Data CDM-700 Especificaciones descargar pdf (Pagina 249)

CRS-300 1:10 Redundancy Switch Revision 16

Addressing Scheme Information MN/CRS300.IOM

B–11

B.3.1 Setting Up Modems

• Local Modem m, where m is modem position number (1 through 10) on Switch:

o MCA = (Switch RCA) + (100 x m)

o Set EDMAC Framing on.

o Set as EDMAC master.

o Set with EDMAC Slave Address Range, ESA = (Modem RCA) + 10

•

Distant Modem 1 (attached to the Distant end of link to Modem m):

o Remote control address: no setting required (Remote control not used).

o Set EDMAC Framing on.

o Set as an EDMAC slave.

o Set Slave Address, ESA = (Master ESA) + 1

o MCA = ESA

•

Two Distant Modems in a 1:1 configuration:

Set up the on-line modem as for Distant Modem 1, described previously in this section. The

offline modem is automatically configured to match the on-line modem. M&C can only be

achieved to the online modem.

Note: It is not possible for the offline modem of a 1:1 pair to respond to EDMAC messages

directly as it is not transmitting. Using the internal 1:1 link, the online modem polls and

retains the off-line modem status. Depending on the modem, this information can be obtained

as follows:

1. For CDM-570/570L, CDM-600/600L, CDM-625 modems:

Use OUS (Offline Unit Status) – OUS? for queries. This command/query is available in

the following modems/firmware versions:

Modem Firmware Version

CDM-570 1.4.1 or later

CDM-570L 1.3.1 or later

CDM-600 1.6.1 or later

CDM-600L 1.3.0 or later

CDM-625 1.1.1 or later

2. For CDM-Qx/QxL modems:

Use FLT (Faults and Status) – FLT? for queries. This command/query is available

in available in firmware versions 1.6.2 or later.

Note: 1:1 internal redundancy in EDMAC Slave mode is available only in firmware

version 1.6.2 or later.

Refer to the appropriate modem’s Installation and Operation Manual for additional

information.

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Comtech EF Data CDM-700 Especificaciones Pagina 249